Pensez à sélectionner votre vehicule pour limiter les resultats de recherche

Engine Parts & Tuning Hardware

Unleash Your Engine's Power: Performance Parts & Accessories

At Optimiz Access, we offer a vast lineup of engine performance parts and accessories to boost the output of your sports vehicle or premium automobile. Optimize your engine for extreme performance and enjoy an exhilarating driving experience on both road and track.

Key benefits of engine tuning: substantial horsepower and torque gains for rapid acceleration, sharper throttle response, enhanced mechanical reliability using high-strength components, and tailored custom tuning suited to all engines.

Essential Products to Maximize Engine Performance

Discover all our precision-engineered components designed to increase efficiency and durability in your engine block:

  • Cold Air Intakes & Air Filtration – Performance sports filters and carbon intake systems for maximum air filling.
  • Intercoolers & Charge Coolers – Efficient intake air cooling to sustain consistent power output under heavy loads.
  • Forged Pistons & Connecting Rods – Heavy-duty internal components built to withstand extreme temperatures and boost pressures.
  • Turbos & Superchargers – Forced induction upgrades delivering significant power increases.
  • Ignition & Servicing – Competition spark plugs, high-output ignition coils, and high-performance oil filters.

Industry-Leading Benchmark Brands

We stock top tuning and motorsport manufacturers: Wagner Tuning, Forge Motorsport, Magnecor, Green Filter, BMC Filter, NGK, Vibra Technics, and Powerflex. We also supply OEM factory parts to ensure meticulous engine maintenance.

Why you should Choose Optimiz Access for Your Engine Upgrades

Since 2010, Optimiz Access has specialized in selecting top-tier engine components for the custom upgrading and maintenance of sports vehicles. Located in northern France (Hauts-de-France) — near Lille, Valenciennes, Cambrai, Arras, Seclin, Douai, and Saint-Quentin —, our expert technicians guide your hardware selection and provide professional installation in our workshop. We ensure strict quality control along with fast worldwide shipping.

Unleash Your Engine's Full Potential Today

Give your car the raw power and sharp response it deserves. Trust the expertise of Optimiz Access, select your engine performance parts today, and benefit from our fast dispatch.

Active filters

  • Categories: Alimentation
  • Categories: Entretien
  • Categories: Refroidissement
  • Categories: Support moteur
En Stock
€148.57 Price
En Stock
€148.57 Price
Tuyau remplissage passe cloison / Staubli 1 Twingo R2Tuyau remplissage passe cloison / Staubli 1 Twingo R2
      Tuyau remplissage passe cloison / Staubli 1 Twingo R2
      €148.57Price
      Tuyau remplissage passe cloison / Staubli 1 Twingo R2Tuyau remplissage passe cloison / Staubli 1 Twingo R2
          Tuyau remplissage passe cloison / Staubli 1 Twingo R2
          €148.57Price
          En Stock
          €115.33 Price
          En Stock
          €115.33 Price
          Tuyau entrée reservoir / passe cloison Twingo R2Tuyau entrée reservoir / passe cloison Twingo R2
              Tuyau entrée reservoir / passe cloison Twingo R2
              €115.33Price
              Tuyau entrée reservoir / passe cloison Twingo R2Tuyau entrée reservoir / passe cloison Twingo R2
                  Tuyau entrée reservoir / passe cloison Twingo R2
                  €115.33Price
                  En Stock
                  €667.54 Price
                  En Stock
                  €667.54 Price
                  Support moteur sur caisse Clio R3
                      Secure and optimize the fixation of your engine to the body of your Renault Clio R3 with this official Renault Sport body side engine mount (ref. 7711160466) . Essential for a perfect chassis-engine connection, it contributes to driving precision and the reduction of vibrations. Find the associated engine side engine mount at the...
                      €667.54Price
                      Support moteur sur caisse Clio R3
                          Secure and optimize the fixation of your engine to the body of your Renault Clio R3 with this official Renault Sport body side engine mount (ref. 7711160466) . Essential for a perfect chassis-engine connection, it contributes to driving precision and the reduction of vibrations. Find the associated engine side engine mount at the...
                          €667.54Price
                          Entretoise berceau (support moteur anti cabrage) Clio 3 Cup
                              The Renault Sport cradle spacer (ref. 7711160193 ) is an essential part to optimize the lower engine anti-pitch for your Renault Clio 3 X85 Cup . It improves chassis rigidity and engine stability.
                              €10.44Price
                              Entretoise berceau (support moteur anti cabrage) Clio 3 Cup
                                  The Renault Sport cradle spacer (ref. 7711160193 ) is an essential part to optimize the lower engine anti-pitch for your Renault Clio 3 X85 Cup . It improves chassis rigidity and engine stability.
                                  €10.44Price
                                  Cablage liaison répartiteur sortie coupe circuit Megane N4
                                      Cablage liaison répartiteur sortie coupe circuit Megane N4
                                      €25.66Price
                                      Cablage liaison répartiteur sortie coupe circuit Megane N4
                                          Cablage liaison répartiteur sortie coupe circuit Megane N4
                                          €25.66Price
                                          En Stock
                                          €140.06 Price
                                          En Stock
                                          €140.06 Price
                                          Suspension GMP AV D (support coiffe moteur) Clio X85 CupRenault Clio 3 X85 Cup Body Mount (7711160012)
                                              Strengthen the engine-chassis connection of your Renault Clio 3 X85 Cup with this official Renault Sport body side engine mount (ref. 7711160012) . Essential for minimizing vibrations and optimizing handling. Find the associated engine side engine mount at the bottom of the page for a complete assembly.
                                              €140.06Price
                                              Suspension GMP AV D (support coiffe moteur) Clio X85 CupRenault Clio 3 X85 Cup Body Mount (7711160012)
                                                  Strengthen the engine-chassis connection of your Renault Clio 3 X85 Cup with this official Renault Sport body side engine mount (ref. 7711160012) . Essential for minimizing vibrations and optimizing handling. Find the associated engine side engine mount at the bottom of the page for a complete assembly.
                                                  €140.06Price
                                                  Câble liaison batterie entrée coupe circuit Megane N4
                                                      Câble liaison batterie entrée coupe circuit Megane N4
                                                      €25.58Price
                                                      Câble liaison batterie entrée coupe circuit Megane N4
                                                          Câble liaison batterie entrée coupe circuit Megane N4
                                                          €25.58Price
                                                          CHC M8-20 Renault Sport Bolt for Twingo R2 (7711128280)CHC M8-20 Renault Sport Bolt for Twingo R2 (7711128280)
                                                              Ensure the reliability of your assembly with this Genuine Renault Sport CHC M8-20 Bolt , reference 7711128280 . Specifically engineered for the high-stress environment of the Twingo R2 , this fastening component guarantees torque consistency...
                                                              €1.06Price
                                                              CHC M8-20 Renault Sport Bolt for Twingo R2 (7711128280)CHC M8-20 Renault Sport Bolt for Twingo R2 (7711128280)
                                                                  Ensure the reliability of your assembly with this Genuine Renault Sport CHC M8-20 Bolt , reference 7711128280 . Specifically engineered for the high-stress environment of the Twingo R2 , this fastening component guarantees torque consistency...
                                                                  €1.06Price
                                                                  En Stock
                                                                  €19.99 Price
                                                                  En Stock
                                                                  €19.99 Price
                                                                  Huile Motul Eighties 10w40 (bidon de 2L)
                                                                      Huile Motul Eighties 10w40 (bidon de 2L) Huile moteur semi-synthétique multigrade spécialement conçue pour les véhicules classiques, Modern Classic et Youngtimer des années 1970, 1980 et 1990 équipés de moteurs 4 Temps, Essence ou Diesel, atmosphériques, compressés ou turbocompressés, à injection ou carburateur, de ces décennies.
                                                                      €19.99Price
                                                                      Huile Motul Eighties 10w40 (bidon de 2L)
                                                                          Huile Motul Eighties 10w40 (bidon de 2L) Huile moteur semi-synthétique multigrade spécialement conçue pour les véhicules classiques, Modern Classic et Youngtimer des années 1970, 1980 et 1990 équipés de moteurs 4 Temps, Essence ou Diesel, atmosphériques, compressés ou turbocompressés, à injection ou carburateur, de ces décennies.
                                                                          €19.99Price
                                                                          Joint décanteur huile
                                                                              Ensure a perfect seal for your engine's ventilation system with this genuine Renault oil decanter gasket . Essential for your Renault Clio 2 RS (excluding Phase 1), Clio 3 RS, Megane 2 RS, or Megane 3 RS , it prevents oil leaks, excessive consumption, and circuit clogging. Don't let a faulty gasket compromise the cleanliness and performance of your sports engine.
                                                                              €39.17Price
                                                                              Joint décanteur huile
                                                                                  Ensure a perfect seal for your engine's ventilation system with this genuine Renault oil decanter gasket . Essential for your Renault Clio 2 RS (excluding Phase 1), Clio 3 RS, Megane 2 RS, or Megane 3 RS , it prevents oil leaks, excessive consumption, and circuit clogging. Don't let a faulty gasket compromise the cleanliness and performance of your sports engine.
                                                                                  €39.17Price
                                                                                  Kit joint torique pour régulateur de pression de rampe
                                                                                      Kit joint torique pour régulateur de pression de rampe
                                                                                      €13.08Price
                                                                                      Kit joint torique pour régulateur de pression de rampe
                                                                                          Kit joint torique pour régulateur de pression de rampe
                                                                                          €13.08Price
                                                                                          Borne positive batterie Megane 3 RS et N4
                                                                                              Ensure perfect electrical conductivity with this genuine Renault positive battery terminal . Specifically designed for the Renault Megane 3 RS and Megane N4 , this battery clamp guarantees reliable starting and a stable power supply for your onboard electronic equipment, even under intensive use. ...
                                                                                              €10.58Price
                                                                                              Borne positive batterie Megane 3 RS et N4
                                                                                                  Ensure perfect electrical conductivity with this genuine Renault positive battery terminal . Specifically designed for the Renault Megane 3 RS and Megane N4 , this battery clamp guarantees reliable starting and a stable power supply for your onboard electronic equipment, even under intensive use. ...
                                                                                                  €10.58Price
                                                                                                  Pignon de vilebrequin claveté Twingo 2 RS y compris R1 et R2Pignon de vilebrequin claveté Twingo 2 RS y compris R1 et R2
                                                                                                      Pignon de vilebrequin claveté Twingo 2 RS y compris R1 et R2
                                                                                                      €75.14Price
                                                                                                      Pignon de vilebrequin claveté Twingo 2 RS y compris R1 et R2Pignon de vilebrequin claveté Twingo 2 RS y compris R1 et R2
                                                                                                          Pignon de vilebrequin claveté Twingo 2 RS y compris R1 et R2
                                                                                                          €75.14Price
                                                                                                          Dispo selon configuration
                                                                                                          €122.26 €131.47 Regular price -7% off Price
                                                                                                          Dispo selon configuration
                                                                                                          €122.26 €131.47 Regular price -7% off Price
                                                                                                          Kit Vidange Motul 300V Clio 2 RS, Clio 3 RS  Megane 2 RS, Twingo 2 RS 5w40Kit Vidange Motul 300V Clio 2 RS, Clio 3 RS  Megane 2 RS, Twingo 2 RS 5w40
                                                                                                            • Pack
                                                                                                            Kit Vidange Motul 300V comprenant 3 bidons de 2 Litres d'huile Motul 300V 5w40, 1 filtre à huile de marque Purflux et 1 joint bi matière de 16mm
                                                                                                            €122.26€131.47Regular price-7% offPrice
                                                                                                            Kit Vidange Motul 300V Clio 2 RS, Clio 3 RS  Megane 2 RS, Twingo 2 RS 5w40Kit Vidange Motul 300V Clio 2 RS, Clio 3 RS  Megane 2 RS, Twingo 2 RS 5w40
                                                                                                              • Pack
                                                                                                              Kit Vidange Motul 300V comprenant 3 bidons de 2 Litres d'huile Motul 300V 5w40, 1 filtre à huile de marque Purflux et 1 joint bi matière de 16mm
                                                                                                              €122.26€131.47Regular price-7% offPrice
                                                                                                              Câble alimentation protection batterie Megane 3 RS et N4
                                                                                                                  Câble alimentation protection batterie Megane 3 RS et N4
                                                                                                                  €96.72Price
                                                                                                                  Câble alimentation protection batterie Megane 3 RS et N4
                                                                                                                      Câble alimentation protection batterie Megane 3 RS et N4
                                                                                                                      €96.72Price
                                                                                                                      En Stock
                                                                                                                      €126.80 €181.14 Regular price -30% off Price
                                                                                                                      En Stock
                                                                                                                      €126.80 €181.14 Regular price -30% off Price
                                                                                                                      GMV (Ventilateur) type chauffo Twingo RS et R1
                                                                                                                          GMV (Ventilateur) type chauffo Twingo RS et R1 Référence: 7711162740 - 8200066098 Egalement compatible avec d'autres motorisations
                                                                                                                          €126.80€181.14Regular price-30% offPrice
                                                                                                                          GMV (Ventilateur) type chauffo Twingo RS et R1
                                                                                                                              GMV (Ventilateur) type chauffo Twingo RS et R1 Référence: 7711162740 - 8200066098 Egalement compatible avec d'autres motorisations
                                                                                                                              €126.80€181.14Regular price-30% offPrice
                                                                                                                              Dispo selon configuration
                                                                                                                              €127.52 €131.47 Regular price -3% off Price
                                                                                                                              Dispo selon configuration
                                                                                                                              €127.52 €131.47 Regular price -3% off Price
                                                                                                                              Kit Vidange Motul 300V 15w50 Clio 16S/WilliamsKit Vidange Motul 300V 15w50 Clio 16S/Williams
                                                                                                                                • Pack
                                                                                                                                Kit Vidange Motul 300V comprenant 3 bidons de 2 Litres d'huile Motul 300V 15w50, 1 filtre à huile de marque Purflux et 1 joint bi matière de 16mm
                                                                                                                                €127.52€131.47Regular price-3% offPrice
                                                                                                                                Kit Vidange Motul 300V 15w50 Clio 16S/WilliamsKit Vidange Motul 300V 15w50 Clio 16S/Williams
                                                                                                                                  • Pack
                                                                                                                                  Kit Vidange Motul 300V comprenant 3 bidons de 2 Litres d'huile Motul 300V 15w50, 1 filtre à huile de marque Purflux et 1 joint bi matière de 16mm
                                                                                                                                  €127.52€131.47Regular price-3% offPrice
                                                                                                                                  Dispo selon configuration
                                                                                                                                  €127.52 €131.47 Regular price -3% off Price
                                                                                                                                  Dispo selon configuration
                                                                                                                                  €127.52 €131.47 Regular price -3% off Price
                                                                                                                                  Kit Vidange Motul 300V 10w40 Clio 16S/WilliamsKit Vidange Motul 300V 10w40 Clio 16S/Williams
                                                                                                                                    • Pack
                                                                                                                                    Kit Vidange Motul 300V comprenant 3 bidons de 2 Litres d'huile Motul 300V 10w40, 1 filtre à huile de marque Purflux et 1 joint bi matière de 16mm
                                                                                                                                    €127.52€131.47Regular price-3% offPrice
                                                                                                                                    Kit Vidange Motul 300V 10w40 Clio 16S/WilliamsKit Vidange Motul 300V 10w40 Clio 16S/Williams
                                                                                                                                      • Pack
                                                                                                                                      Kit Vidange Motul 300V comprenant 3 bidons de 2 Litres d'huile Motul 300V 10w40, 1 filtre à huile de marque Purflux et 1 joint bi matière de 16mm
                                                                                                                                      €127.52€131.47Regular price-3% offPrice
                                                                                                                                      En Stock
                                                                                                                                      €32.92 Price
                                                                                                                                      En Stock
                                                                                                                                      €32.92 Price
                                                                                                                                      Rampe injection Clio 2 RS 172 phase 2 et 182
                                                                                                                                          Fuel injection rail Renault Clio 2 RS Phase 2 & 3 Give your Renault Clio 2 RS Phase 2 or 3 an optimum fuel supply with the genuine Renault injection rail! Designed for sports driving enthusiasts, this rail guarantees a constant and precise fuel flow, even at high engine speeds, for optimum performance and an unrivalled driving experience. ...
                                                                                                                                          €32.92Price
                                                                                                                                          Rampe injection Clio 2 RS 172 phase 2 et 182
                                                                                                                                              Fuel injection rail Renault Clio 2 RS Phase 2 & 3 Give your Renault Clio 2 RS Phase 2 or 3 an optimum fuel supply with the genuine Renault injection rail! Designed for sports driving enthusiasts, this rail guarantees a constant and precise fuel flow, even at high engine speeds, for optimum performance and an unrivalled driving experience. ...
                                                                                                                                              €32.92Price
                                                                                                                                              Dispo selon configuration
                                                                                                                                              €121.94 €134.00 Regular price -9% off Price
                                                                                                                                              Dispo selon configuration
                                                                                                                                              €121.94 €134.00 Regular price -9% off Price
                                                                                                                                              Kit Vidange Motul 300V Megane 3 RS 5w40Kit Vidange Motul 300V Megane 3 RS 5w40
                                                                                                                                                • Pack
                                                                                                                                                Kit Vidange Motul 300V comprenant 3 bidons de 2 Litres d'huile Motul 300V 5w40, 1 filtre à huile de marque Renault et 1 joint bi matière de 16mm
                                                                                                                                                €121.94€134.00Regular price-9% offPrice
                                                                                                                                                Kit Vidange Motul 300V Megane 3 RS 5w40Kit Vidange Motul 300V Megane 3 RS 5w40
                                                                                                                                                  • Pack
                                                                                                                                                  Kit Vidange Motul 300V comprenant 3 bidons de 2 Litres d'huile Motul 300V 5w40, 1 filtre à huile de marque Renault et 1 joint bi matière de 16mm
                                                                                                                                                  €121.94€134.00Regular price-9% offPrice
                                                                                                                                                  En Stock
                                                                                                                                                  €122.62 Price
                                                                                                                                                  En Stock
                                                                                                                                                  €122.62 Price
                                                                                                                                                  Batterie sèche 12V-24Ah
                                                                                                                                                      Batterie sèche 12V-24Ah Référence: 7711127895 Durée de vie en floating jusqu'à 5 ans Batterie VRLA d'usage général Grilles plomb-calcium pour une durée de vie améliorée Construction en fibres de verre microporeuses sans acide libre Recombinaison de gaz Fabriqué dans le monde entier Bonne récupération d'une décharge...
                                                                                                                                                      €122.62Price
                                                                                                                                                      Batterie sèche 12V-24Ah
                                                                                                                                                          Batterie sèche 12V-24Ah Référence: 7711127895 Durée de vie en floating jusqu'à 5 ans Batterie VRLA d'usage général Grilles plomb-calcium pour une durée de vie améliorée Construction en fibres de verre microporeuses sans acide libre Recombinaison de gaz Fabriqué dans le monde entier Bonne récupération d'une décharge...
                                                                                                                                                          €122.62Price
                                                                                                                                                          En Stock
                                                                                                                                                          €84.00 Price
                                                                                                                                                          En Stock
                                                                                                                                                          €84.00 Price
                                                                                                                                                          Original RENAULT Injector for Megane 3 RSOriginal RENAULT Injector for Megane 3 RS
                                                                                                                                                              Don't let your Renault Megane 3 RS lose its vigor! This original RENAULT injector is essential for maintaining your engine's optimal performance. Avoid excessive fuel consumption and a drop in power by choosing the quality and reliability of a part specifically designed for your sports vehicle. You can find associated complementary products (notably the...
                                                                                                                                                              €84.00Price
                                                                                                                                                              Original RENAULT Injector for Megane 3 RSOriginal RENAULT Injector for Megane 3 RS
                                                                                                                                                                  Don't let your Renault Megane 3 RS lose its vigor! This original RENAULT injector is essential for maintaining your engine's optimal performance. Avoid excessive fuel consumption and a drop in power by choosing the quality and reliability of a part specifically designed for your sports vehicle. You can find associated complementary products (notably the...
                                                                                                                                                                  €84.00Price
                                                                                                                                                                  Collection Entrainement pompe à huile Clio 2 RS, Gr N et X65Cup
                                                                                                                                                                      Collection Entrainement pompe à huile Clio 2 RS, Gr N et X65Cup
                                                                                                                                                                      €54.25Price
                                                                                                                                                                      Collection Entrainement pompe à huile Clio 2 RS, Gr N et X65Cup
                                                                                                                                                                          Collection Entrainement pompe à huile Clio 2 RS, Gr N et X65Cup
                                                                                                                                                                          €54.25Price
                                                                                                                                                                          Raccord Pompe à essence Clio GrN
                                                                                                                                                                              Renault Clio 2 Group N Fuel Pump Connector , a component intended for the fuel supply system of vehicles configured for Group N applications. Vehicle brand: Renault Model: Clio 2 Application: Group N Part type: Fuel pump connector ...
                                                                                                                                                                              €50.45Price
                                                                                                                                                                              Raccord Pompe à essence Clio GrN
                                                                                                                                                                                  Renault Clio 2 Group N Fuel Pump Connector , a component intended for the fuel supply system of vehicles configured for Group N applications. Vehicle brand: Renault Model: Clio 2 Application: Group N Part type: Fuel pump connector ...
                                                                                                                                                                                  €50.45Price
                                                                                                                                                                                  En Stock
                                                                                                                                                                                  €77.92 €111.31 Regular price -30% off Price
                                                                                                                                                                                  En Stock
                                                                                                                                                                                  €77.92 €111.31 Regular price -30% off Price
                                                                                                                                                                                  Kit joints spy et vis arbres à cames
                                                                                                                                                                                      Kit joints spy et vis arbres à cames
                                                                                                                                                                                      €77.92€111.31Regular price-30% offPrice
                                                                                                                                                                                      Kit joints spy et vis arbres à cames
                                                                                                                                                                                          Kit joints spy et vis arbres à cames
                                                                                                                                                                                          €77.92€111.31Regular price-30% offPrice
                                                                                                                                                                                          Kit Joint Spy Arbres à Cames + Vis de Poulie Clio 2 RS
                                                                                                                                                                                              Kit Joint Spy Arbres à Cames + Vis de Poulie Kit indispensable pour proceder au changement de la distribution sur Clio 2 RS
                                                                                                                                                                                              €54.58Price
                                                                                                                                                                                              Kit Joint Spy Arbres à Cames + Vis de Poulie Clio 2 RS
                                                                                                                                                                                                  Kit Joint Spy Arbres à Cames + Vis de Poulie Kit indispensable pour proceder au changement de la distribution sur Clio 2 RS
                                                                                                                                                                                                  €54.58Price
                                                                                                                                                                                                  Motul 300V Competition 10W40 2L Engine Oil - Sports Cars
                                                                                                                                                                                                      Motul 300V Competition Engine Oil 10W40 2L - Performance and Protection for Classic and Modern Sports Cars Don't let the age of your sports car impact its performance. engine oil is specially formulated to offer optimal protection and increased performance, suitable for demanding classic and modern engines. 2-liter can. <p...
                                                                                                                                                                                                      €39.99Price
                                                                                                                                                                                                      Motul 300V Competition 10W40 2L Engine Oil - Sports Cars
                                                                                                                                                                                                          Motul 300V Competition Engine Oil 10W40 2L - Performance and Protection for Classic and Modern Sports Cars Don't let the age of your sports car impact its performance. engine oil is specially formulated to offer optimal protection and increased performance, suitable for demanding classic and modern engines. 2-liter can. <p...
                                                                                                                                                                                                          €39.99Price
                                                                                                                                                                                                          En Stock
                                                                                                                                                                                                          €129.34 Price
                                                                                                                                                                                                          En Stock
                                                                                                                                                                                                          €129.34 Price
                                                                                                                                                                                                          Carter de protection Courroie de distribution Clio RS
                                                                                                                                                                                                              Pièce empêchant le passage de la courroie d'accessoires dans la distribution Compatible avec Clio 2 RS, Clio 3 RS La mise en place sur Clio 2 nécessite une legere découpe du carter en plastique  Fourni sans les vis, veuillez consulter les produits associés en bas de page
                                                                                                                                                                                                              €129.34Price
                                                                                                                                                                                                              Carter de protection Courroie de distribution Clio RS
                                                                                                                                                                                                                  Pièce empêchant le passage de la courroie d'accessoires dans la distribution Compatible avec Clio 2 RS, Clio 3 RS La mise en place sur Clio 2 nécessite une legere découpe du carter en plastique  Fourni sans les vis, veuillez consulter les produits associés en bas de page
                                                                                                                                                                                                                  €129.34Price