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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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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
      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
              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
                      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
                              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
                                      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
                                              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
                                                      €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
                                                              €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
                                                                      €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
                                                                              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
                                                                                      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
                                                                                              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
                                                                                                      €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
                                                                                                              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
                                                                                                                      Genuine AC Delete Accessory Bracket - Renault Twingo 2 RSGenuine AC Delete Accessory Bracket - Renault Twingo 2 RS
                                                                                                                          Don't let a heavy and power-consuming air conditioning compressor hold back the performance of your Renault Twingo 2 RS . This genuine Renault accessory bracket is the official solution for a reliable AC delete . Specifically designed for the K4M RS engine , it allows for significant weight reduction and improved engine...
                                                                                                                          €217.02Price
                                                                                                                          Genuine AC Delete Accessory Bracket - Renault Twingo 2 RSGenuine AC Delete Accessory Bracket - Renault Twingo 2 RS
                                                                                                                              Don't let a heavy and power-consuming air conditioning compressor hold back the performance of your Renault Twingo 2 RS . This genuine Renault accessory bracket is the official solution for a reliable AC delete . Specifically designed for the K4M RS engine , it allows for significant weight reduction and improved engine...
                                                                                                                              €217.02Price
                                                                                                                              Câble accélérateur Clio 3 X85 Cup
                                                                                                                                  Don't let a seized cable compromise your responsiveness on the track. This official Renault Sport throttle cable is specifically designed for the Renault Clio 3 X85 Cup . Genuine manufacturer part (Reference 7711160160). High-resistance design for intensive competition ...
                                                                                                                                  €52.69Price
                                                                                                                                  Câble accélérateur Clio 3 X85 Cup
                                                                                                                                      Don't let a seized cable compromise your responsiveness on the track. This official Renault Sport throttle cable is specifically designed for the Renault Clio 3 X85 Cup . Genuine manufacturer part (Reference 7711160160). High-resistance design for intensive competition ...
                                                                                                                                      €52.69Price
                                                                                                                                      En Stock
                                                                                                                                      €402.96 Price
                                                                                                                                      En Stock
                                                                                                                                      €402.96 Price
                                                                                                                                      Convergent boitier filtre assemblé Twingo R2 195cvConvergent boitier filtre assemblé Twingo R2 195cv
                                                                                                                                          Convergent boitier filtre assemblé Twingo R2 195cv
                                                                                                                                          €402.96Price
                                                                                                                                          Convergent boitier filtre assemblé Twingo R2 195cvConvergent boitier filtre assemblé Twingo R2 195cv
                                                                                                                                              Convergent boitier filtre assemblé Twingo R2 195cv
                                                                                                                                              €402.96Price