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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
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  • Categories: Support moteur
Clio 2 RS (X65 Cup, Gr N) Accelerator Cable Clip - OriginalClio 2 RS (X65 Cup, Gr N) Accelerator Cable Clip - Original
      The original Renault accelerator cable clip is an essential fastening part to ensure precise and reliable accelerator operation on your Renault Clio 2 RS , Clio 2 X65 Cup , or Clio 2 Gr N . Ensure a secure connection and optimal accelerator response with this original quality clip. We ship worldwide.
      €2.20Price
      Clio 2 RS (X65 Cup, Gr N) Accelerator Cable Clip - OriginalClio 2 RS (X65 Cup, Gr N) Accelerator Cable Clip - Original
          The original Renault accelerator cable clip is an essential fastening part to ensure precise and reliable accelerator operation on your Renault Clio 2 RS , Clio 2 X65 Cup , or Clio 2 Gr N . Ensure a secure connection and optimal accelerator response with this original quality clip. We ship worldwide.
          €2.20Price
          En Stock
          €178.04 Price
          En Stock
          €178.04 Price
          Pompe à Essence Clio 2 RS et X65 Cup
              Fuel Gauge/Pump Module Renault Clio 2 RS (Original) Original Renault fuel gauge/pump module for Clio 2 RS Phase 2/3 (without regulator on rail) and Clio 2 X65 Cup. Ensures reliable fuel supply. Discover the compatible fixing ring and gasket at the bottom of the page.
              €178.04Price
              Pompe à Essence Clio 2 RS et X65 Cup
                  Fuel Gauge/Pump Module Renault Clio 2 RS (Original) Original Renault fuel gauge/pump module for Clio 2 RS Phase 2/3 (without regulator on rail) and Clio 2 X65 Cup. Ensures reliable fuel supply. Discover the compatible fixing ring and gasket at the bottom of the page.
                  €178.04Price
                  Fuel Pump Locking Ring and Seal Kit - Renault Sport Range
                      Ensure a leak-free fuel system with this genuine Renault fuel pump locking ring and seal kit . Essential for any intervention on the fuel sender unit, this kit prevents leaks and persistent fuel odors inside your sports vehicle's cabin. Includes the locking nut (ring) and the...
                      €55.88Price
                      Fuel Pump Locking Ring and Seal Kit - Renault Sport Range
                          Ensure a leak-free fuel system with this genuine Renault fuel pump locking ring and seal kit . Essential for any intervention on the fuel sender unit, this kit prevents leaks and persistent fuel odors inside your sports vehicle's cabin. Includes the locking nut (ring) and the...
                          €55.88Price
                          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
                                  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
                                          Pompe essence modifiée Clio Gr NModified Fuel Pump DASH Fitting Renault Sport for Renault Clio 2 Gr N (7711129520)
                                            • Pack
                                            Do not take the risk of seeing the performance of your Renault Clio 2 Group N drop sharply. Without a stable and optimal fuel supply, you lose your advantage on the track. This modified fuel pump (Reference 7711129520 ) is the official Renault Sport part essential for maintaining...
                                            €269.74Price
                                            Pompe essence modifiée Clio Gr NModified Fuel Pump DASH Fitting Renault Sport for Renault Clio 2 Gr N (7711129520)
                                              • Pack
                                              Do not take the risk of seeing the performance of your Renault Clio 2 Group N drop sharply. Without a stable and optimal fuel supply, you lose your advantage on the track. This modified fuel pump (Reference 7711129520 ) is the official Renault Sport part essential for maintaining...
                                              €269.74Price
                                              DeatschWerks 265L/H Fuel Pump (E85) for Renault Megane 2 RS
                                                  Secure your engine build with the DeatschWerks DW65c fuel pump , delivering a high-performance flow rate of 265L/H . Specifically engineered for the Renault Megane 2 RS , this pump offers the major advantage of being 100% E85 compatible (ethanol), making it the perfect choice for flex-fuel conversions. Its compact design allows...
                                                  €224.09Price
                                                  DeatschWerks 265L/H Fuel Pump (E85) for Renault Megane 2 RS
                                                      Secure your engine build with the DeatschWerks DW65c fuel pump , delivering a high-performance flow rate of 265L/H . Specifically engineered for the Renault Megane 2 RS , this pump offers the major advantage of being 100% E85 compatible (ethanol), making it the perfect choice for flex-fuel conversions. Its compact design allows...
                                                      €224.09Price
                                                      En Stock
                                                      €81.58 Price
                                                      En Stock
                                                      €81.58 Price
                                                      Flexible de carburant Té vers rampe Twingo R1 - Clio R3 Max
                                                          Do not let a preventable engine failure ruin your race weekend. This high-pressure fuel hose , an authentic Renault Sport component (references 7711160195 / 7711162420 ), is the critical link between the T-connector and the fuel injector rail . Specifically engineered for Twingo R1,...
                                                          €81.58Price
                                                          Flexible de carburant Té vers rampe Twingo R1 - Clio R3 Max
                                                              Do not let a preventable engine failure ruin your race weekend. This high-pressure fuel hose , an authentic Renault Sport component (references 7711160195 / 7711162420 ), is the critical link between the T-connector and the fuel injector rail . Specifically engineered for Twingo R1,...
                                                              €81.58Price
                                                              En Stock
                                                              €66.99 Price
                                                              En Stock
                                                              €66.99 Price
                                                              Injecteur Clio 3 RS et X85 Cup
                                                                  The original Renault injector is an essential part to ensure precise fuel injection in the engine of your Renault Clio 3 RS and Renault Clio 3 X85 Cup . It ensures optimal combustion and reliable engine performance.
                                                                  €66.99Price
                                                                  Injecteur Clio 3 RS et X85 Cup
                                                                      The original Renault injector is an essential part to ensure precise fuel injection in the engine of your Renault Clio 3 RS and Renault Clio 3 X85 Cup . It ensures optimal combustion and reliable engine performance.
                                                                      €66.99Price
                                                                      En Stock
                                                                      €50.86 Price
                                                                      En Stock
                                                                      €50.86 Price
                                                                      Manchon pipe de remplissage réservoir Twingo 2 RS
                                                                          Manchon pipe de remplissage réservoir Twingo 2 RS
                                                                          €50.86Price
                                                                          Manchon pipe de remplissage réservoir Twingo 2 RS
                                                                              Manchon pipe de remplissage réservoir Twingo 2 RS
                                                                              €50.86Price
                                                                              Goodridge braided stainless steel tank-to-Tee fuel line part 7711160196 for Renault Twingo R1 R2 & Clio R3.
                                                                                  Do not risk a sudden drop in fuel pressure during a crucial rally stage, a highly inflammable fuel leak underneath your chassis, or an immediate technical disqualification during safety scrutineering. The genuine Goodridge fuel tank-to-Tee piece braided line , carrying the...
                                                                                  €119.40Price
                                                                                  Goodridge braided stainless steel tank-to-Tee fuel line part 7711160196 for Renault Twingo R1 R2 & Clio R3.
                                                                                      Do not risk a sudden drop in fuel pressure during a crucial rally stage, a highly inflammable fuel leak underneath your chassis, or an immediate technical disqualification during safety scrutineering. The genuine Goodridge fuel tank-to-Tee piece braided line , carrying the...
                                                                                      €119.40Price
                                                                                      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
                                                                                              €59.00 €69.41 Regular price -15% off Price
                                                                                              En Stock
                                                                                              €59.00 €69.41 Regular price -15% off Price
                                                                                              Fuel Injector Genuine Renault Clio 2 RS / Gr.N / CupFuel Injector Genuine Renault Clio 2 RS / Gr.N / Cup
                                                                                                  Protect your engine's health with this genuine Renault injector specifically designed for the Clio 2 RS . This authentic part features the ITG M60 marking, guaranteeing optimal fuel atomization for high-performance 2.0 16v engines. Brand new and original Renault ...
                                                                                                  €59.00€69.41Regular price-15% offPrice
                                                                                                  Fuel Injector Genuine Renault Clio 2 RS / Gr.N / CupFuel Injector Genuine Renault Clio 2 RS / Gr.N / Cup
                                                                                                      Protect your engine's health with this genuine Renault injector specifically designed for the Clio 2 RS . This authentic part features the ITG M60 marking, guaranteeing optimal fuel atomization for high-performance 2.0 16v engines. Brand new and original Renault ...
                                                                                                      €59.00€69.41Regular price-15% offPrice
                                                                                                      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
                                                                                                              €39.82 Price
                                                                                                              En Stock
                                                                                                              €39.82 Price
                                                                                                              Silent Bloc Powerflex Anti Cabrage Sup Clio 3 RS
                                                                                                                  Silent Bloc Powerflex Anti Cabrage Superieur pour Clio 3 RS Produit à inserieur en lieu et place du silent bloc d'origine
                                                                                                                  €39.82Price
                                                                                                                  Silent Bloc Powerflex Anti Cabrage Sup Clio 3 RS
                                                                                                                      Silent Bloc Powerflex Anti Cabrage Superieur pour Clio 3 RS Produit à inserieur en lieu et place du silent bloc d'origine
                                                                                                                      €39.82Price
                                                                                                                      En Stock
                                                                                                                      €211.24 Price
                                                                                                                      En Stock
                                                                                                                      €211.24 Price
                                                                                                                      Cablage Volant ALS Megane N4
                                                                                                                          Optimize the management of your anti-lag system with the Genuine Renault Sport Steering Wheel ALS Wiring Harness (Part Number 7711167187) . Specifically engineered for the rally-spec Megane N4 , this motorsport-grade electrical loom ensures a shielded,...
                                                                                                                          €211.24Price
                                                                                                                          Cablage Volant ALS Megane N4
                                                                                                                              Optimize the management of your anti-lag system with the Genuine Renault Sport Steering Wheel ALS Wiring Harness (Part Number 7711167187) . Specifically engineered for the rally-spec Megane N4 , this motorsport-grade electrical loom ensures a shielded,...
                                                                                                                              €211.24Price
                                                                                                                              Cale admission porte injecteur Twingo 2 RS y compris R1 et R2 160cv
                                                                                                                                  Cale admission porte injecteur Twingo 2 RS y compris R1 et R2 160cv Référence: 8200329496
                                                                                                                                  €194.51Price
                                                                                                                                  Cale admission porte injecteur Twingo 2 RS y compris R1 et R2 160cv
                                                                                                                                      Cale admission porte injecteur Twingo 2 RS y compris R1 et R2 160cv Référence: 8200329496
                                                                                                                                      €194.51Price
                                                                                                                                      En Stock
                                                                                                                                      €13.37 Price
                                                                                                                                      En Stock
                                                                                                                                      €13.37 Price
                                                                                                                                      Joint Plenum Clio 2 RS
                                                                                                                                          Joint Plenum Clio 2 RS. Joint permettant de faire l’étanchéité entre le collecteur d'admission et le plenum Il est conseillé de le changer lors à chaque démontage et donc lors du retaillage de l'ensemble collecteur / plenum
                                                                                                                                          €13.37Price
                                                                                                                                          Joint Plenum Clio 2 RS
                                                                                                                                              Joint Plenum Clio 2 RS. Joint permettant de faire l’étanchéité entre le collecteur d'admission et le plenum Il est conseillé de le changer lors à chaque démontage et donc lors du retaillage de l'ensemble collecteur / plenum
                                                                                                                                              €13.37Price
                                                                                                                                              En Stock
                                                                                                                                              €486.55 Price
                                                                                                                                              En Stock
                                                                                                                                              €486.55 Price
                                                                                                                                              Collecteur admission Clio 2 X65 Cup et Gr N
                                                                                                                                                  Collecteur admission Clio 2 X65 Cup et Gr N Prévu pour papillon mécanique
                                                                                                                                                  €486.55Price
                                                                                                                                                  Collecteur admission Clio 2 X65 Cup et Gr N
                                                                                                                                                      Collecteur admission Clio 2 X65 Cup et Gr N Prévu pour papillon mécanique
                                                                                                                                                      €486.55Price
                                                                                                                                                      Banjo alimentation rampe essence Twingo R1 et R2 et Clio R3
                                                                                                                                                          Banjo alimentation rampe essence Twingo R1 et R2 et Clio R3 Référence: 7711160198
                                                                                                                                                          €57.72Price
                                                                                                                                                          Banjo alimentation rampe essence Twingo R1 et R2 et Clio R3
                                                                                                                                                              Banjo alimentation rampe essence Twingo R1 et R2 et Clio R3 Référence: 7711160198
                                                                                                                                                              €57.72Price