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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: Préparation intérieure
Epingle retenue butée de ressort de pompe à huile K4M
      Epingle retenue butée de ressort de pompe à huile K4M
      €1.22Price
      Epingle retenue butée de ressort de pompe à huile K4M
          Epingle retenue butée de ressort de pompe à huile K4M
          €1.22Price
          Dispo selon configuration
          €254.69 Price
          Dispo selon configuration
          €254.69 Price
          Pompe à huile assemblée Twingo R2Pompe à huile assemblée Twingo R2
            • Pack
            Pompe à huile assemblée Twingo R2 Référence: 7711162823
            €254.69Price
            Pompe à huile assemblée Twingo R2Pompe à huile assemblée Twingo R2
              • Pack
              Pompe à huile assemblée Twingo R2 Référence: 7711162823
              €254.69Price
              En Stock
              €149.06 Price
              En Stock
              €149.06 Price
              Tuyau dégazage passe cloison / Staubli 2 Twingo R2Tuyau dégazage passe cloison / Staubli 2 Twingo R2
                  Tuyau dégazage passe cloison / Staubli 2 Twingo R2
                  €149.06Price
                  Tuyau dégazage passe cloison / Staubli 2 Twingo R2Tuyau dégazage passe cloison / Staubli 2 Twingo R2
                      Tuyau dégazage passe cloison / Staubli 2 Twingo R2
                      €149.06Price
                      En Stock
                      €148.57 Price
                      En Stock
                      €148.57 Price
                      Tuyau remplissage passe cloison / Staubli 1 Twingo R2Tuyau remplissage passe cloison / Staubli 1 Twingo R2
                          Tuyau remplissage passe cloison / Staubli 1 Twingo R2
                          €148.57Price
                          Tuyau remplissage passe cloison / Staubli 1 Twingo R2Tuyau remplissage passe cloison / Staubli 1 Twingo R2
                              Tuyau remplissage passe cloison / Staubli 1 Twingo R2
                              €148.57Price
                              En Stock
                              €115.33 Price
                              En Stock
                              €115.33 Price
                              Tuyau entrée reservoir / passe cloison Twingo R2Tuyau entrée reservoir / passe cloison Twingo R2
                                  Tuyau entrée reservoir / passe cloison Twingo R2
                                  €115.33Price
                                  Tuyau entrée reservoir / passe cloison Twingo R2Tuyau entrée reservoir / passe cloison Twingo R2
                                      Tuyau entrée reservoir / passe cloison Twingo R2
                                      €115.33Price
                                      Cablage liaison répartiteur sortie coupe circuit Megane N4
                                          Cablage liaison répartiteur sortie coupe circuit Megane N4
                                          €25.66Price
                                          Cablage liaison répartiteur sortie coupe circuit Megane N4
                                              Cablage liaison répartiteur sortie coupe circuit Megane N4
                                              €25.66Price
                                              En Stock
                                              €27.42 Price
                                              En Stock
                                              €27.42 Price
                                              Support bague étanchéité Twingo 2 RS et WindSupport bague étanchéité Twingo 2 RS et Wind
                                                  Support bague étanchéité Twingo 2 RS et Wind Référence: 7700105179
                                                  €27.42Price
                                                  Support bague étanchéité Twingo 2 RS et WindSupport bague étanchéité Twingo 2 RS et Wind
                                                      Support bague étanchéité Twingo 2 RS et Wind Référence: 7700105179
                                                      €27.42Price
                                                      En Stock
                                                      €32.92 Price
                                                      En Stock
                                                      €32.92 Price
                                                      Poussoir contre came rouleau Twingo 2 RS et WindPoussoir contre came rouleau Twingo 2 RS et Wind
                                                          Poussoir contre came rouleau Twingo 2 RS et Wind Référence: 8200320561
                                                          €32.92Price
                                                          Poussoir contre came rouleau Twingo 2 RS et WindPoussoir contre came rouleau Twingo 2 RS et Wind
                                                              Poussoir contre came rouleau Twingo 2 RS et Wind Référence: 8200320561
                                                              €32.92Price
                                                              Câble liaison batterie entrée coupe circuit Megane N4
                                                                  Câble liaison batterie entrée coupe circuit Megane N4
                                                                  €25.58Price
                                                                  Câble liaison batterie entrée coupe circuit Megane N4
                                                                      Câble liaison batterie entrée coupe circuit Megane N4
                                                                      €25.58Price
                                                                      En Stock
                                                                      €15.43 Price
                                                                      En Stock
                                                                      €15.43 Price
                                                                      Centreur boite de vitesse et pompe à huileCentreur boite de vitesse et pompe à huile
                                                                          Centreur boite de vitesse et pompe à huile Nous contacter en cas de doute sur la compatibilité avec votre véhicule Référence: 8200582334
                                                                          €15.43Price
                                                                          Centreur boite de vitesse et pompe à huileCentreur boite de vitesse et pompe à huile
                                                                              Centreur boite de vitesse et pompe à huile Nous contacter en cas de doute sur la compatibilité avec votre véhicule Référence: 8200582334
                                                                              €15.43Price
                                                                              En Stock
                                                                              €134.58 Price
                                                                              En Stock
                                                                              €134.58 Price
                                                                              Capteur arbre à cames (déphasage) Twingo 2 RS y compris R1 et R2Camshaft Timing Solenoid – Twingo 2 RS R1 R2
                                                                                  Camshaft timing solenoid valve designed for the Renault Twingo 2 RS , including Twingo R1 and Twingo R2 competition versions. It plays an important role in controlling the engine's variable camshaft timing system. Suitable for replacing a worn or faulty...
                                                                                  €134.58Price
                                                                                  Capteur arbre à cames (déphasage) Twingo 2 RS y compris R1 et R2Camshaft Timing Solenoid – Twingo 2 RS R1 R2
                                                                                      Camshaft timing solenoid valve designed for the Renault Twingo 2 RS , including Twingo R1 and Twingo R2 competition versions. It plays an important role in controlling the engine's variable camshaft timing system. Suitable for replacing a worn or faulty...
                                                                                      €134.58Price
                                                                                      Kit joint torique pour régulateur de pression de rampe
                                                                                          Kit joint torique pour régulateur de pression de rampe
                                                                                          €13.08Price
                                                                                          Kit joint torique pour régulateur de pression de rampe
                                                                                              Kit joint torique pour régulateur de pression de rampe
                                                                                              €13.08Price
                                                                                              Borne positive batterie Megane 3 RS et N4
                                                                                                  Ensure perfect electrical conductivity with this genuine Renault positive battery terminal . Specifically designed for the Renault Megane 3 RS and Megane N4 , this battery clamp guarantees reliable starting and a stable power supply for your onboard electronic equipment, even under intensive use. ...
                                                                                                  €10.58Price
                                                                                                  Borne positive batterie Megane 3 RS et N4
                                                                                                      Ensure perfect electrical conductivity with this genuine Renault positive battery terminal . Specifically designed for the Renault Megane 3 RS and Megane N4 , this battery clamp guarantees reliable starting and a stable power supply for your onboard electronic equipment, even under intensive use. ...
                                                                                                      €10.58Price
                                                                                                      Gicleur Piston 1-3 Clio 2 RS 182 et Clio 3 RS
                                                                                                          Protect the lower F4R engine of your Clio 2 RS 182, Clio 3 RS, or Megane 2 RS with this genuine Renault oil sprayer (oil jet) for cylinders 1 and 3. A critical component for piston cooling and lubrication, it guarantees the reliability and longevity of your engine. Don't neglect the protection of your F4R.
                                                                                                          €14.65Price
                                                                                                          Gicleur Piston 1-3 Clio 2 RS 182 et Clio 3 RS
                                                                                                              Protect the lower F4R engine of your Clio 2 RS 182, Clio 3 RS, or Megane 2 RS with this genuine Renault oil sprayer (oil jet) for cylinders 1 and 3. A critical component for piston cooling and lubrication, it guarantees the reliability and longevity of your engine. Don't neglect the protection of your F4R.
                                                                                                              €14.65Price
                                                                                                              Câble alimentation protection batterie Megane 3 RS et N4
                                                                                                                  Câble alimentation protection batterie Megane 3 RS et N4
                                                                                                                  €96.72Price
                                                                                                                  Câble alimentation protection batterie Megane 3 RS et N4
                                                                                                                      Câble alimentation protection batterie Megane 3 RS et N4
                                                                                                                      €96.72Price
                                                                                                                      En Stock
                                                                                                                      €178.20 Price
                                                                                                                      En Stock
                                                                                                                      €178.20 Price
                                                                                                                      Plaque reniflard Clio 2 RS 172
                                                                                                                          Plaque de reniflard taillé massé venant en lieu et place de la plaque d'origine Ajout un raccord Dash permettant de venir connecter directement un recuperateur de vapeur d'huile. Cette piece est un serieux atout pour les véhicules ayant modifié le collecteur d'admission d'origine. Produit a completer avec un joint Loctite 5980.
                                                                                                                          €178.20Price
                                                                                                                          Plaque reniflard Clio 2 RS 172
                                                                                                                              Plaque de reniflard taillé massé venant en lieu et place de la plaque d'origine Ajout un raccord Dash permettant de venir connecter directement un recuperateur de vapeur d'huile. Cette piece est un serieux atout pour les véhicules ayant modifié le collecteur d'admission d'origine. Produit a completer avec un joint Loctite 5980.
                                                                                                                              €178.20Price
                                                                                                                              En Stock
                                                                                                                              €11.53 Price
                                                                                                                              En Stock
                                                                                                                              €11.53 Price
                                                                                                                              Demi coussinet rainurés jaune vilebrequin K4M 854Demi coussinet rainurés jaune vilebrequin K4M 854
                                                                                                                                  Demi coussinet rainurés jaune vilebrequin K4M 854
                                                                                                                                  €11.53Price
                                                                                                                                  Demi coussinet rainurés jaune vilebrequin K4M 854Demi coussinet rainurés jaune vilebrequin K4M 854
                                                                                                                                      Demi coussinet rainurés jaune vilebrequin K4M 854
                                                                                                                                      €11.53Price
                                                                                                                                      En Stock
                                                                                                                                      €32.92 Price
                                                                                                                                      En Stock
                                                                                                                                      €32.92 Price
                                                                                                                                      Rampe injection Clio 2 RS 172 phase 2 et 182
                                                                                                                                          Fuel injection rail Renault Clio 2 RS Phase 2 & 3 Give your Renault Clio 2 RS Phase 2 or 3 an optimum fuel supply with the genuine Renault injection rail! Designed for sports driving enthusiasts, this rail guarantees a constant and precise fuel flow, even at high engine speeds, for optimum performance and an unrivalled driving experience. ...
                                                                                                                                          €32.92Price
                                                                                                                                          Rampe injection Clio 2 RS 172 phase 2 et 182
                                                                                                                                              Fuel injection rail Renault Clio 2 RS Phase 2 & 3 Give your Renault Clio 2 RS Phase 2 or 3 an optimum fuel supply with the genuine Renault injection rail! Designed for sports driving enthusiasts, this rail guarantees a constant and precise fuel flow, even at high engine speeds, for optimum performance and an unrivalled driving experience. ...
                                                                                                                                              €32.92Price
                                                                                                                                              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
                                                                                                                                                      Flasque palier ( X2.30 )2.3mm Crankshaft Thrust Washer - Renault Clio RS & Megane RS
                                                                                                                                                          Ensure the longevity of your bottom end with this genuine Renault crankshaft thrust washer pair . Featuring a precise thickness of 2.3 mm , these thrust bearings are essential for controlling crankshaft end play on F7R and F4R engines. A certified OEM part for Clio Williams, Clio 2 RS, Clio 3 RS, and...
                                                                                                                                                          €43.51Price
                                                                                                                                                          Flasque palier ( X2.30 )2.3mm Crankshaft Thrust Washer - Renault Clio RS & Megane RS
                                                                                                                                                              Ensure the longevity of your bottom end with this genuine Renault crankshaft thrust washer pair . Featuring a precise thickness of 2.3 mm , these thrust bearings are essential for controlling crankshaft end play on F7R and F4R engines. A certified OEM part for Clio Williams, Clio 2 RS, Clio 3 RS, and...
                                                                                                                                                              €43.51Price
                                                                                                                                                              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
                                                                                                                                                                  €122.00 Price
                                                                                                                                                                  En Stock
                                                                                                                                                                  €122.00 Price
                                                                                                                                                                  ARP Uprated Rod Bolts | Renault Clio & Megane RS
                                                                                                                                                                      Protect your bottom end assembly against high-RPM failure with this premium Uprated ARP Rod Bolts Kit for Renault Clio 16S, Williams, Clio 2 3 RS, and Megane 2 3 RS , commercialized under the international part number ARP-216-6301 . Forged from premium ARP...
                                                                                                                                                                      €122.00Price
                                                                                                                                                                      ARP Uprated Rod Bolts | Renault Clio & Megane RS
                                                                                                                                                                          Protect your bottom end assembly against high-RPM failure with this premium Uprated ARP Rod Bolts Kit for Renault Clio 16S, Williams, Clio 2 3 RS, and Megane 2 3 RS , commercialized under the international part number ARP-216-6301 . Forged from premium ARP...
                                                                                                                                                                          €122.00Price
                                                                                                                                                                          En Stock
                                                                                                                                                                          €66.48 Price
                                                                                                                                                                          En Stock
                                                                                                                                                                          €66.48 Price
                                                                                                                                                                          Coussinets de Vilebrequin Trimetal ergotés ACLCoussinets de Vilebrequin Trimetal ergotés ACL
                                                                                                                                                                              Coussinet de vilebrequin trimetal Coussinets pour F7P, F7R, F4R, F4R soit pour Clio 16S, Williams, clio 2 RS, Clio 3 RS, Megane 2 RS, Megane 3 RS Présence d'ergots.
                                                                                                                                                                              €66.48Price
                                                                                                                                                                              Coussinets de Vilebrequin Trimetal ergotés ACLCoussinets de Vilebrequin Trimetal ergotés ACL
                                                                                                                                                                                  Coussinet de vilebrequin trimetal Coussinets pour F7P, F7R, F4R, F4R soit pour Clio 16S, Williams, clio 2 RS, Clio 3 RS, Megane 2 RS, Megane 3 RS Présence d'ergots.
                                                                                                                                                                                  €66.48Price
                                                                                                                                                                                  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
                                                                                                                                                                                          Carter Huile Clio 3 RS - Megane 3 RS - Megane 2 RSOEM Renault Oil Pan - Clio 3 RS, Megane 2 RS, Megane 3 RS
                                                                                                                                                                                              Don't gamble with your engine's lubrication. This genuine Renault OEM oil pan is the only component that guarantees a perfect seal and thermal resistance meeting the strict requirements of your Renault Clio 3 RS , Megane 2 RS , or Megane 3 RS . By choosing this certified part, you avoid micro-cracks and warping issues common in...
                                                                                                                                                                                              €265.93Price
                                                                                                                                                                                              Carter Huile Clio 3 RS - Megane 3 RS - Megane 2 RSOEM Renault Oil Pan - Clio 3 RS, Megane 2 RS, Megane 3 RS
                                                                                                                                                                                                  Don't gamble with your engine's lubrication. This genuine Renault OEM oil pan is the only component that guarantees a perfect seal and thermal resistance meeting the strict requirements of your Renault Clio 3 RS , Megane 2 RS , or Megane 3 RS . By choosing this certified part, you avoid micro-cracks and warping issues common in...
                                                                                                                                                                                                  €265.93Price