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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: Kit Allègement
  • Categories: Préparation intérieure
  • Categories: Suralimentation (Turbo)
Bague étanchéité arbre à cames Twingo R2Twingo RS (R1/R2) Exhaust Camshaft Oil Seal - Original
      The original Renault exhaust camshaft oil seal is an essential sealing part for your Renault Twingo RS, Twingo R1 , or Twingo R2 . It ensures a tight seal between the camshaft, cylinder head, and valve cover, preserving your engine's performance and reliability.
      €16.92Price
      Bague étanchéité arbre à cames Twingo R2Twingo RS (R1/R2) Exhaust Camshaft Oil Seal - Original
          The original Renault exhaust camshaft oil seal is an essential sealing part for your Renault Twingo RS, Twingo R1 , or Twingo R2 . It ensures a tight seal between the camshaft, cylinder head, and valve cover, preserving your engine's performance and reliability.
          €16.92Price
          Durite Forge Induction Megane 2 RSDurite Forge Induction Megane 2 RS
              Durite Forge Silicone. Se monte en lieu et place Plusieurs Coloris Disponibles
              €140.75Price
              Durite Forge Induction Megane 2 RSDurite Forge Induction Megane 2 RS
                  Durite Forge Silicone. Se monte en lieu et place Plusieurs Coloris Disponibles
                  €140.75Price
                  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
                          €244.00 Price
                          En Stock
                          €244.00 Price
                          Wasegate Forge Megane RS
                              Dotée d'un tarage plus ferme que le modèle d'origine, elle permet une mise en action plus rapide du turbo, et une pression de sural plus stable.
                              €244.00Price
                              Wasegate Forge Megane RS
                                  Dotée d'un tarage plus ferme que le modèle d'origine, elle permet une mise en action plus rapide du turbo, et une pression de sural plus stable.
                                  €244.00Price
                                  En Stock
                                  €150.77 Price
                                  En Stock
                                  €150.77 Price
                                  Bride de turbo Megane N4
                                      Official Renault Megane N4 Rally Turbo Flange (Ref: 7711167131) : Original part, guaranteeing performance and reliability for your Renault Megane 3 RS prepared for competition. Don't let an unsuitable flange compromise your turbo's potential. Discover related products, including the O-ring, at the bottom of this page.
                                      €150.77Price
                                      Bride de turbo Megane N4
                                          Official Renault Megane N4 Rally Turbo Flange (Ref: 7711167131) : Original part, guaranteeing performance and reliability for your Renault Megane 3 RS prepared for competition. Don't let an unsuitable flange compromise your turbo's potential. Discover related products, including the O-ring, at the bottom of this page.
                                          €150.77Price
                                          En Stock
                                          €81.65 Price
                                          En Stock
                                          €81.65 Price
                                          Bielle Twingo RS R1 et R2 160Bielle Twingo RS R1 et R2 160
                                              Connecting Rod for Twingo RS R1 and R2 160: Enhance the durability and performance of your engine with this robust connecting rod, designed for extreme conditions and easy installation.
                                              €81.65Price
                                              Bielle Twingo RS R1 et R2 160Bielle Twingo RS R1 et R2 160
                                                  Connecting Rod for Twingo RS R1 and R2 160: Enhance the durability and performance of your engine with this robust connecting rod, designed for extreme conditions and easy installation.
                                                  €81.65Price
                                                  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
                                                          Bague étanchéité électrovanne déphasage Twingo RS, R1 et R2Bague étanchéité électrovanne déphasage Twingo RS, R1 et R2
                                                              Bague étanchéité électrovanne de déphasage Twingo RS, R1 et R2
                                                              €17.09Price
                                                              Bague étanchéité électrovanne déphasage Twingo RS, R1 et R2Bague étanchéité électrovanne déphasage Twingo RS, R1 et R2
                                                                  Bague étanchéité électrovanne de déphasage Twingo RS, R1 et R2
                                                                  €17.09Price
                                                                  En Stock
                                                                  €211.80 Price
                                                                  En Stock
                                                                  €211.80 Price
                                                                  Pompe à huileRenault Sport Oil Pump - Clio 2/3 RS & Megane 2/3 RS
                                                                      Secure your engine block's lubrication with this high-performance oil pump for Renault 2.0L engines. Essential for maintaining constant oil pressure, it is compatible with Clio 2 RS , Clio 3 RS , as well as X65 Cup ,...
                                                                      €211.80Price
                                                                      Pompe à huileRenault Sport Oil Pump - Clio 2/3 RS & Megane 2/3 RS
                                                                          Secure your engine block's lubrication with this high-performance oil pump for Renault 2.0L engines. Essential for maintaining constant oil pressure, it is compatible with Clio 2 RS , Clio 3 RS , as well as X65 Cup ,...
                                                                          €211.80Price
                                                                          Vis Fixation Volant Moteur
                                                                              Secure the transmission of power from your crankshaft to your clutch assembly with this heavy-duty Flywheel Fixing Bolt for the Renault Clio 16S, Williams, Clio 2 RS, and Clio 3 RS . This high-tensile specialist hardware is critical to enduring harsh rev matches and the...
                                                                              €5.64Price
                                                                              Vis Fixation Volant Moteur
                                                                                  Secure the transmission of power from your crankshaft to your clutch assembly with this heavy-duty Flywheel Fixing Bolt for the Renault Clio 16S, Williams, Clio 2 RS, and Clio 3 RS . This high-tensile specialist hardware is critical to enduring harsh rev matches and the...
                                                                                  €5.64Price
                                                                                  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
                                                                                          €5.63 Price
                                                                                          En Stock
                                                                                          €5.63 Price
                                                                                          Joint de queue de soupape
                                                                                              Joint de queue de soupape Attention pour Megane 3 RS les joints sont différents entre admission et échappement Vendu à l'unité
                                                                                              €5.63Price
                                                                                              Joint de queue de soupape
                                                                                                  Joint de queue de soupape Attention pour Megane 3 RS les joints sont différents entre admission et échappement Vendu à l'unité
                                                                                                  €5.63Price
                                                                                                  Collection de 3 segments pour piston Twingo RS R1 et R2 160
                                                                                                      Original RENAULT Piston Ring Set for Twingo 2 RS (for 1 piston) Do not compromise the compression and power of your Twingo 2 RS engine. This original RENAULT piston...
                                                                                                      €68.32Price
                                                                                                      Collection de 3 segments pour piston Twingo RS R1 et R2 160
                                                                                                          Original RENAULT Piston Ring Set for Twingo 2 RS (for 1 piston) Do not compromise the compression and power of your Twingo 2 RS engine. This original RENAULT piston...
                                                                                                          €68.32Price
                                                                                                          En Stock
                                                                                                          €265.70 Price
                                                                                                          En Stock
                                                                                                          €265.70 Price
                                                                                                          Fuel Gauge/Pump Module Clio 3 RS/R3/Cup - Original
                                                                                                              The original Renault fuel gauge/pump module is an essential part to ensure a reliable and precise fuel supply on your Renault Clio 3 RS , Renault Clio R3 , and Renault Clio 3 X85 Cup . It guarantees accurate fuel level measurement and constant pressure, indispensable for optimal performance. We ship worldwide.
                                                                                                              €265.70Price
                                                                                                              Fuel Gauge/Pump Module Clio 3 RS/R3/Cup - Original
                                                                                                                  The original Renault fuel gauge/pump module is an essential part to ensure a reliable and precise fuel supply on your Renault Clio 3 RS , Renault Clio R3 , and Renault Clio 3 X85 Cup . It guarantees accurate fuel level measurement and constant pressure, indispensable for optimal performance. We ship worldwide.
                                                                                                                  €265.70Price
                                                                                                                  En Stock
                                                                                                                  €25.69 Price
                                                                                                                  En Stock
                                                                                                                  €25.69 Price
                                                                                                                  Vis Banjo alimentation rampe Twingo R1 et R2
                                                                                                                      Vis Banjo alimentation rampe Twingo R1 et R2 Référence: 7711129199
                                                                                                                      €25.69Price
                                                                                                                      Vis Banjo alimentation rampe Twingo R1 et R2
                                                                                                                          Vis Banjo alimentation rampe Twingo R1 et R2 Référence: 7711129199
                                                                                                                          €25.69Price
                                                                                                                          En Stock
                                                                                                                          €119.28 Price
                                                                                                                          En Stock
                                                                                                                          €119.28 Price
                                                                                                                          Capteur pédale accélérateur Clio 3 RS
                                                                                                                              Capteur pédale accélérateur Clio 3 RS Attention 2 types de connecteurs existent, merci de controler la compatibilité avec votre véhicule Véritable produit d'origine
                                                                                                                              €119.28Price
                                                                                                                              Capteur pédale accélérateur Clio 3 RS
                                                                                                                                  Capteur pédale accélérateur Clio 3 RS Attention 2 types de connecteurs existent, merci de controler la compatibilité avec votre véhicule Véritable produit d'origine
                                                                                                                                  €119.28Price
                                                                                                                                  En Stock
                                                                                                                                  €139.14 Price
                                                                                                                                  En Stock
                                                                                                                                  €139.14 Price
                                                                                                                                  Piston équipé C (X82.70) Clio 3 RS
                                                                                                                                      The Renault complete piston (index C) is an original part, supplied with pin and pin clips, designed for your Renault Clio 3 RS and Renault Clio 3 X85 Cup . It ensures optimal engine performance and increased reliability.
                                                                                                                                      €139.14Price
                                                                                                                                      Piston équipé C (X82.70) Clio 3 RS
                                                                                                                                          The Renault complete piston (index C) is an original part, supplied with pin and pin clips, designed for your Renault Clio 3 RS and Renault Clio 3 X85 Cup . It ensures optimal engine performance and increased reliability.
                                                                                                                                          €139.14Price
                                                                                                                                          En Stock
                                                                                                                                          €546.20 Price
                                                                                                                                          En Stock
                                                                                                                                          €546.20 Price
                                                                                                                                          Alternateur Clio 3 RS y compris X85 Cup et R3
                                                                                                                                              Ensure reliable electrical power for your Renault Clio 3 RS , Renault Clio R3 , or Renault Clio 3 X85 Cup with this genuine RENAULT alternator . An essential component for the proper functioning of your sports vehicle. Find associated complementary products at the bottom of the page for optimal...
                                                                                                                                              €546.20Price
                                                                                                                                              Alternateur Clio 3 RS y compris X85 Cup et R3
                                                                                                                                                  Ensure reliable electrical power for your Renault Clio 3 RS , Renault Clio R3 , or Renault Clio 3 X85 Cup with this genuine RENAULT alternator . An essential component for the proper functioning of your sports vehicle. Find associated complementary products at the bottom of the page for optimal...
                                                                                                                                                  €546.20Price
                                                                                                                                                  Dump Valve ouverte Forge Megane 4 RSDump Valve ouverte Forge Megane 4 RS
                                                                                                                                                      Dump Valve ouverte Forge Megane 4 RS Permet de faire le bruit de decharge du turbo fortement apprécié.
                                                                                                                                                      €299.00Price
                                                                                                                                                      Dump Valve ouverte Forge Megane 4 RSDump Valve ouverte Forge Megane 4 RS
                                                                                                                                                          Dump Valve ouverte Forge Megane 4 RS Permet de faire le bruit de decharge du turbo fortement apprécié.
                                                                                                                                                          €299.00Price
                                                                                                                                                          En Stock
                                                                                                                                                          €98.33 Price
                                                                                                                                                          En Stock
                                                                                                                                                          €98.33 Price
                                                                                                                                                          Reinforced aluminum piston dump valve by Forge Motorsport for Megane 4 GT 205, SKU: FMSPRN12.Forge Piston Dump Valve | Renault Megane 4 GT 205
                                                                                                                                                              Prevent boost pressure leaks and safeguard your turbocharger's mechanical integrity with the Forge Dump Valve Megane 4 GT 205 . Engineered to replace the fragile factory rubber diaphragm valve, this premium billet aluminum piston-driven version guarantees a perfect air-tight...
                                                                                                                                                              €98.33Price
                                                                                                                                                              Reinforced aluminum piston dump valve by Forge Motorsport for Megane 4 GT 205, SKU: FMSPRN12.Forge Piston Dump Valve | Renault Megane 4 GT 205
                                                                                                                                                                  Prevent boost pressure leaks and safeguard your turbocharger's mechanical integrity with the Forge Dump Valve Megane 4 GT 205 . Engineered to replace the fragile factory rubber diaphragm valve, this premium billet aluminum piston-driven version guarantees a perfect air-tight...
                                                                                                                                                                  €98.33Price
                                                                                                                                                                  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
                                                                                                                                                                          €1.10 Price
                                                                                                                                                                          En Stock
                                                                                                                                                                          €1.10 Price
                                                                                                                                                                          Collier serrage inox (durite) diametre 20-32mm
                                                                                                                                                                              Collier serrage inox (durite) diametre 20-32mm Vendu à l'unité
                                                                                                                                                                              €1.10Price
                                                                                                                                                                              Collier serrage inox (durite) diametre 20-32mm
                                                                                                                                                                                  Collier serrage inox (durite) diametre 20-32mm Vendu à l'unité
                                                                                                                                                                                  €1.10Price
                                                                                                                                                                                  Linguet rouleau Clio 2 RS et  Clio 3 RS y compris R3 et X85 Cup et Twingo RSLinguet rouleau Clio 2 RS et  Clio 3 RS y compris R3 et X85 Cup et Twingo RS
                                                                                                                                                                                      Linguet rouleau Clio 2 RS et  Clio 3 RS y compris R3 et X85 Cup et Twingo RSVéritable produit d'origine
                                                                                                                                                                                      €90.76Price
                                                                                                                                                                                      Linguet rouleau Clio 2 RS et  Clio 3 RS y compris R3 et X85 Cup et Twingo RSLinguet rouleau Clio 2 RS et  Clio 3 RS y compris R3 et X85 Cup et Twingo RS
                                                                                                                                                                                          Linguet rouleau Clio 2 RS et  Clio 3 RS y compris R3 et X85 Cup et Twingo RSVéritable produit d'origine
                                                                                                                                                                                          €90.76Price
                                                                                                                                                                                          En Stock
                                                                                                                                                                                          €130.37 Price
                                                                                                                                                                                          En Stock
                                                                                                                                                                                          €130.37 Price
                                                                                                                                                                                          Capteur pression de suralimentation Megane 3 RS
                                                                                                                                                                                              Capteur pression de suralimentation Megane 3 RS Véritable produit d'origine
                                                                                                                                                                                              €130.37Price
                                                                                                                                                                                              Capteur pression de suralimentation Megane 3 RS
                                                                                                                                                                                                  Capteur pression de suralimentation Megane 3 RS Véritable produit d'origine
                                                                                                                                                                                                  €130.37Price
                                                                                                                                                                                                  Tuyau carburant entre réservoir et coupling Goodridge Megane N4
                                                                                                                                                                                                      Tuyau carburant entre réservoir et coupling Goodridge Megane N4 Référence: 7711167089
                                                                                                                                                                                                      €173.57Price
                                                                                                                                                                                                      Tuyau carburant entre réservoir et coupling Goodridge Megane N4
                                                                                                                                                                                                          Tuyau carburant entre réservoir et coupling Goodridge Megane N4 Référence: 7711167089
                                                                                                                                                                                                          €173.57Price
                                                                                                                                                                                                          En Stock
                                                                                                                                                                                                          €5.66 Price
                                                                                                                                                                                                          En Stock
                                                                                                                                                                                                          €5.66 Price
                                                                                                                                                                                                          Vis de fixation galet enrouleur de distribution K4MVis de fixation galet enrouleur de distribution K4M
                                                                                                                                                                                                              Vis de fixation galet enrouleur de distribution K4M 8200581340
                                                                                                                                                                                                              €5.66Price
                                                                                                                                                                                                              Vis de fixation galet enrouleur de distribution K4MVis de fixation galet enrouleur de distribution K4M
                                                                                                                                                                                                                  Vis de fixation galet enrouleur de distribution K4M 8200581340
                                                                                                                                                                                                                  €5.66Price