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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.

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  • Categories: Alimentation
  • Categories: Entretien
  • Categories: Kit Allègement
  • Categories: Support moteur
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
          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
                  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
                                                                          Accessory Belt for AC Delete Kit - Renault Mégane 4 RS
                                                                              This Adapted Accessory Belt is a critical component for converting to an Air Conditioning Delete Kit on your Renault Mégane 4 RS . Its dimension is precisely defined to compensate for the removal of the AC compressor. This superior quality belt is essential for...
                                                                              €29.34Price
                                                                              Accessory Belt for AC Delete Kit - Renault Mégane 4 RS
                                                                                  This Adapted Accessory Belt is a critical component for converting to an Air Conditioning Delete Kit on your Renault Mégane 4 RS . Its dimension is precisely defined to compensate for the removal of the AC compressor. This superior quality belt is essential for...
                                                                                  €29.34Price
                                                                                  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
                                                                                                  En Stock
                                                                                                  €25.25 Price
                                                                                                  En Stock
                                                                                                  €25.25 Price
                                                                                                  Accessory Belt for AC Delete Kit - Alpine A110
                                                                                                      This Specific Accessory Belt is an essential component when installing an Air Conditioning Delete Kit on your Alpine A110 . Its length is adjusted to bypass the air conditioning compressor that has been removed. A high-quality part, it guarantees the correct...
                                                                                                      €25.25Price
                                                                                                      Accessory Belt for AC Delete Kit - Alpine A110
                                                                                                          This Specific Accessory Belt is an essential component when installing an Air Conditioning Delete Kit on your Alpine A110 . Its length is adjusted to bypass the air conditioning compressor that has been removed. A high-quality part, it guarantees the correct...
                                                                                                          €25.25Price
                                                                                                          Specific Accessory Belt for A/C Delete Kit Renault Clio 4 RS
                                                                                                              The Optimiz Access Specific Accessory Belt is the essential part required to finalize the installation of the A/C Delete Kit on your Renault Clio 4 RS . Due to the change in the path and distance between the pulleys following the removal of the air conditioning compressor, the original belt can...
                                                                                                              €29.34Price
                                                                                                              Specific Accessory Belt for A/C Delete Kit Renault Clio 4 RS
                                                                                                                  The Optimiz Access Specific Accessory Belt is the essential part required to finalize the installation of the A/C Delete Kit on your Renault Clio 4 RS . Due to the change in the path and distance between the pulleys following the removal of the air conditioning compressor, the original belt can...
                                                                                                                  €29.34Price
                                                                                                                  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
                                                                                                                                      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
                                                                                                                                                      Vis de fixation poulie folle clim Clio 3 RS - Megane 2 RS - Megane 3 RSVis de fixation poulie folle clim Clio 3 RS - Megane 2 RS - Megane 3 RS
                                                                                                                                                          Vis de fixation poulie folle clim Clio 3 RS - Megane 2 RS - Megane 3 RS. Vendue à l'unité - 3 Vis sont nécessaires
                                                                                                                                                          €2.34Price
                                                                                                                                                          Vis de fixation poulie folle clim Clio 3 RS - Megane 2 RS - Megane 3 RSVis de fixation poulie folle clim Clio 3 RS - Megane 2 RS - Megane 3 RS
                                                                                                                                                              Vis de fixation poulie folle clim Clio 3 RS - Megane 2 RS - Megane 3 RS. Vendue à l'unité - 3 Vis sont nécessaires
                                                                                                                                                              €2.34Price
                                                                                                                                                              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
                                                                                                                                                                  €198.25 Price
                                                                                                                                                                  En Stock
                                                                                                                                                                  €198.25 Price
                                                                                                                                                                  Kit Joint Refection moteur Origine Clio 3 RS
                                                                                                                                                                      Ensemble de joints nécéssaire au bon remontage du moteur de Clio 3 RS Véritable produit d'origine
                                                                                                                                                                      €198.25Price
                                                                                                                                                                      Kit Joint Refection moteur Origine Clio 3 RS
                                                                                                                                                                          Ensemble de joints nécéssaire au bon remontage du moteur de Clio 3 RS Véritable produit d'origine
                                                                                                                                                                          €198.25Price
                                                                                                                                                                          Genuine Renault Sport throttle position potentiometer for Twingo R2, Clio R3, and X85 Cup racing engines.
                                                                                                                                                                              Do not risk unpredictable ignition cuts during a rally stage, a sudden loss of immediate throttle response, or an abrupt limp-mode activation that freezes your lap times on track. The genuine Potentiomètre papillon Twingo R2, Clio R3 et X85 Cup is the official factory-spec...
                                                                                                                                                                              €138.05Price
                                                                                                                                                                              Genuine Renault Sport throttle position potentiometer for Twingo R2, Clio R3, and X85 Cup racing engines.
                                                                                                                                                                                  Do not risk unpredictable ignition cuts during a rally stage, a sudden loss of immediate throttle response, or an abrupt limp-mode activation that freezes your lap times on track. The genuine Potentiomètre papillon Twingo R2, Clio R3 et X85 Cup is the official factory-spec...
                                                                                                                                                                                  €138.05Price
                                                                                                                                                                                  En Stock
                                                                                                                                                                                  €54.41 Price
                                                                                                                                                                                  En Stock
                                                                                                                                                                                  €54.41 Price
                                                                                                                                                                                  Cache bouchons arbres à cames moteur F4R
                                                                                                                                                                                      Cache bouchons arbres à cames moteur F4R Kit de 2 plaques de fermeture moteur 7711155481
                                                                                                                                                                                      €54.41Price
                                                                                                                                                                                      Cache bouchons arbres à cames moteur F4R
                                                                                                                                                                                          Cache bouchons arbres à cames moteur F4R Kit de 2 plaques de fermeture moteur 7711155481
                                                                                                                                                                                          €54.41Price
                                                                                                                                                                                          En Stock
                                                                                                                                                                                          €37.52 Price
                                                                                                                                                                                          En Stock
                                                                                                                                                                                          €37.52 Price
                                                                                                                                                                                          Raccord 90° de rampe d'injection Clio Gr N
                                                                                                                                                                                              Secure your fuel system with this official RENAULT SPORT 90° fuel rail fitting . A key component from the competition catalog for the Renault Clio 2 RS Group N , this fitting ensures constant flow and absolute sealing under pressure. Do not let a standard component compromise the safety of your racing setup or your track day...
                                                                                                                                                                                              €37.52Price
                                                                                                                                                                                              Raccord 90° de rampe d'injection Clio Gr N
                                                                                                                                                                                                  Secure your fuel system with this official RENAULT SPORT 90° fuel rail fitting . A key component from the competition catalog for the Renault Clio 2 RS Group N , this fitting ensures constant flow and absolute sealing under pressure. Do not let a standard component compromise the safety of your racing setup or your track day...
                                                                                                                                                                                                  €37.52Price
                                                                                                                                                                                                  Joint répartiteur admission ( plenum ) Twingo 2 RS, R1 et R2
                                                                                                                                                                                                      Joint répartiteur admission Twingo RS R1 et R2
                                                                                                                                                                                                      €26.36Price
                                                                                                                                                                                                      Joint répartiteur admission ( plenum ) Twingo 2 RS, R1 et R2
                                                                                                                                                                                                          Joint répartiteur admission Twingo RS R1 et R2
                                                                                                                                                                                                          €26.36Price