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: Circuit d'air
  • Categories: Entretien
  • 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
          €232.70 Price
          En Stock
          €232.70 Price
          Support moteur sur moteur Clio R3Renault Clio R3 Engine Mount (7711160468)
              Optimize your Renault Clio R3 engine mount with this official Renault Sport engine support (ref. 7711160468) . Designed for optimal performance, it ensures a robust and precise fixation of your engine. Find the associated silent blocks and body side mount at the bottom of the page for a complete assembly.
              €232.70Price
              Support moteur sur moteur Clio R3Renault Clio R3 Engine Mount (7711160468)
                  Optimize your Renault Clio R3 engine mount with this official Renault Sport engine support (ref. 7711160468) . Designed for optimal performance, it ensures a robust and precise fixation of your engine. Find the associated silent blocks and body side mount at the bottom of the page for a complete assembly.
                  €232.70Price
                  En Stock
                  €121.85 Price
                  En Stock
                  €121.85 Price
                  Genuine Renault Idle Actuator - Clio 2 RS Phase 1Genuine Renault Idle Actuator - Clio 2 RS Phase 1
                      Restore perfect engine idle speed stability to your Renault Clio 2 RS Phase 1 with this genuine Renault idle actuator . An essential part often responsible for unstable idling , stalling, or difficult starting, it guarantees optimal performance for your F4R engine. Don't compromise the reliability of your sports car for a simple faulty sensor.
                      €121.85Price
                      Genuine Renault Idle Actuator - Clio 2 RS Phase 1Genuine Renault Idle Actuator - Clio 2 RS Phase 1
                          Restore perfect engine idle speed stability to your Renault Clio 2 RS Phase 1 with this genuine Renault idle actuator . An essential part often responsible for unstable idling , stalling, or difficult starting, it guarantees optimal performance for your F4R engine. Don't compromise the reliability of your sports car for a simple faulty sensor.
                          €121.85Price
                          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
                                          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
                                                  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
                                                          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
                                                                                  €10.02 Price
                                                                                  En Stock
                                                                                  €10.02 Price
                                                                                  Joint de cold side
                                                                                      COLD SIDE SEAL – JTCOLD The cold side seal, reference JTCOLD , is a sealing component intended for use on the cold side of an air circuit. It helps provide an airtight connection between...
                                                                                      €10.02Price
                                                                                      Joint de cold side
                                                                                          COLD SIDE SEAL – JTCOLD The cold side seal, reference JTCOLD , is a sealing component intended for use on the cold side of an air circuit. It helps provide an airtight connection between...
                                                                                          €10.02Price
                                                                                          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
                                                                                                                                              €361.00 Price
                                                                                                                                              En Stock
                                                                                                                                              €361.00 Price
                                                                                                                                              Kit Admisssion Forge Motorsport Megane 4 RSKit Admisssion Forge Motorsport Megane 4 RS
                                                                                                                                                  Kit Admisssion Forge Motorsport Megane 4 RS Produit developpé dans le but de  - Garder des temperatures d'admission interessantes et les plus basses possibles - Ameliorer l'afflux d'air - Ameliorer l'esthetique de la baie moteur Apres de nombreux essais, les resultats obtenus sont + 15ch Ce gain peut etre superieur en associant ce kit...
                                                                                                                                                  €361.00Price
                                                                                                                                                  Kit Admisssion Forge Motorsport Megane 4 RSKit Admisssion Forge Motorsport Megane 4 RS
                                                                                                                                                      Kit Admisssion Forge Motorsport Megane 4 RS Produit developpé dans le but de  - Garder des temperatures d'admission interessantes et les plus basses possibles - Ameliorer l'afflux d'air - Ameliorer l'esthetique de la baie moteur Apres de nombreux essais, les resultats obtenus sont + 15ch Ce gain peut etre superieur en associant ce kit...
                                                                                                                                                      €361.00Price
                                                                                                                                                      Upgrade conduit admission forge avec adaptateur Megane 4 RSUpgrade conduit admission forge avec adaptateur Megane 4 RS
                                                                                                                                                          Upgrade conduit admission forge avec adaptateur Megane 4 RS. Produit developpé pour supprimer la restriction d'origine de l'admission. Bien qu'apportant deja un plus sur une voiture d'origine, ce produit a encore plus d'interet en cas de vehicule reprogrammé
                                                                                                                                                          €187.01Price
                                                                                                                                                          Upgrade conduit admission forge avec adaptateur Megane 4 RSUpgrade conduit admission forge avec adaptateur Megane 4 RS
                                                                                                                                                              Upgrade conduit admission forge avec adaptateur Megane 4 RS. Produit developpé pour supprimer la restriction d'origine de l'admission. Bien qu'apportant deja un plus sur une voiture d'origine, ce produit a encore plus d'interet en cas de vehicule reprogrammé
                                                                                                                                                              €187.01Price
                                                                                                                                                              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
                                                                                                                                                                  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
                                                                                                                                                                          €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
                                                                                                                                                                              Régulateur (membrane) pression gaz collecteur admission Clio 3 RS
                                                                                                                                                                                  Régulateur pression gaz carter Clio 3 RS
                                                                                                                                                                                  €61.60Price
                                                                                                                                                                                  Régulateur (membrane) pression gaz collecteur admission Clio 3 RS
                                                                                                                                                                                      €61.60Price
                                                                                                                                                                                      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
                                                                                                                                                                                          Pompe à eau Origine Renault Clio 3 RS - Megane 2 RS - Megane 3 RSGenuine OEM Water Pump - Renault Clio 3 RS / Megane 2/3 RS
                                                                                                                                                                                              Safeguard the mechanical reliability and thermal efficiency of your high-performance engine with the Genuine Renault Sport Water Pump for F4R and F4Rt engines . This authentic factory replacement component is essential to ensure optimum coolant circulation under intense road...
                                                                                                                                                                                              €117.43Price
                                                                                                                                                                                              Pompe à eau Origine Renault Clio 3 RS - Megane 2 RS - Megane 3 RSGenuine OEM Water Pump - Renault Clio 3 RS / Megane 2/3 RS
                                                                                                                                                                                                  Safeguard the mechanical reliability and thermal efficiency of your high-performance engine with the Genuine Renault Sport Water Pump for F4R and F4Rt engines . This authentic factory replacement component is essential to ensure optimum coolant circulation under intense road...
                                                                                                                                                                                                  €117.43Price
                                                                                                                                                                                                  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