Pensez à sélectionner votre vehicule pour limiter les resultats de recherche

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.

Active filters

  • Categories: Entretien
  • Categories: Préparation intérieure
  • Categories: Refroidissement
  • Categories: Suralimentation (Turbo)
Dispo selon configuration
€122.26 €131.47 Regular price -7% off Price
Dispo selon configuration
€122.26 €131.47 Regular price -7% off Price
Kit Vidange Motul 300V Clio 2 RS, Clio 3 RS  Megane 2 RS, Twingo 2 RS 5w40Kit Vidange Motul 300V Clio 2 RS, Clio 3 RS  Megane 2 RS, Twingo 2 RS 5w40
    • Pack
    Kit Vidange Motul 300V comprenant 3 bidons de 2 Litres d'huile Motul 300V 5w40, 1 filtre à huile de marque Purflux et 1 joint bi matière de 16mm
    €122.26€131.47Regular price-7% offPrice
    Kit Vidange Motul 300V Clio 2 RS, Clio 3 RS  Megane 2 RS, Twingo 2 RS 5w40Kit Vidange Motul 300V Clio 2 RS, Clio 3 RS  Megane 2 RS, Twingo 2 RS 5w40
      • Pack
      Kit Vidange Motul 300V comprenant 3 bidons de 2 Litres d'huile Motul 300V 5w40, 1 filtre à huile de marque Purflux et 1 joint bi matière de 16mm
      €122.26€131.47Regular price-7% offPrice
      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
              €126.80 €181.14 Regular price -30% off Price
              En Stock
              €126.80 €181.14 Regular price -30% off Price
              GMV (Ventilateur) type chauffo Twingo RS et R1
                  GMV (Ventilateur) type chauffo Twingo RS et R1 Référence: 7711162740 - 8200066098 Egalement compatible avec d'autres motorisations
                  €126.80€181.14Regular price-30% offPrice
                  GMV (Ventilateur) type chauffo Twingo RS et R1
                      GMV (Ventilateur) type chauffo Twingo RS et R1 Référence: 7711162740 - 8200066098 Egalement compatible avec d'autres motorisations
                      €126.80€181.14Regular price-30% offPrice
                      Dispo selon configuration
                      €127.52 €131.47 Regular price -3% off Price
                      Dispo selon configuration
                      €127.52 €131.47 Regular price -3% off Price
                      Kit Vidange Motul 300V 15w50 Clio 16S/WilliamsKit Vidange Motul 300V 15w50 Clio 16S/Williams
                        • Pack
                        Kit Vidange Motul 300V comprenant 3 bidons de 2 Litres d'huile Motul 300V 15w50, 1 filtre à huile de marque Purflux et 1 joint bi matière de 16mm
                        €127.52€131.47Regular price-3% offPrice
                        Kit Vidange Motul 300V 15w50 Clio 16S/WilliamsKit Vidange Motul 300V 15w50 Clio 16S/Williams
                          • Pack
                          Kit Vidange Motul 300V comprenant 3 bidons de 2 Litres d'huile Motul 300V 15w50, 1 filtre à huile de marque Purflux et 1 joint bi matière de 16mm
                          €127.52€131.47Regular price-3% offPrice
                          En Stock
                          €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
                                  Dispo selon configuration
                                  €379.68 €399.66 Regular price -€19.98 off Price
                                  Dispo selon configuration
                                  €379.68 €399.66 Regular price -€19.98 off Price
                                  Kit Dump Valve HKS Megane 2 RS
                                    • Pack
                                    Kit complet permettant l'installation d'une dump valve HKS sans nécessiter de produit additionnel.
                                    €379.68€399.66Regular price-€19.98 offPrice
                                    Kit Dump Valve HKS Megane 2 RS
                                      • Pack
                                      Kit complet permettant l'installation d'une dump valve HKS sans nécessiter de produit additionnel.
                                      €379.68€399.66Regular price-€19.98 offPrice
                                      Dispo selon configuration
                                      €127.52 €131.47 Regular price -3% off Price
                                      Dispo selon configuration
                                      €127.52 €131.47 Regular price -3% off Price
                                      Kit Vidange Motul 300V 10w40 Clio 16S/WilliamsKit Vidange Motul 300V 10w40 Clio 16S/Williams
                                        • Pack
                                        Kit Vidange Motul 300V comprenant 3 bidons de 2 Litres d'huile Motul 300V 10w40, 1 filtre à huile de marque Purflux et 1 joint bi matière de 16mm
                                        €127.52€131.47Regular price-3% offPrice
                                        Kit Vidange Motul 300V 10w40 Clio 16S/WilliamsKit Vidange Motul 300V 10w40 Clio 16S/Williams
                                          • Pack
                                          Kit Vidange Motul 300V comprenant 3 bidons de 2 Litres d'huile Motul 300V 10w40, 1 filtre à huile de marque Purflux et 1 joint bi matière de 16mm
                                          €127.52€131.47Regular price-3% offPrice
                                          Dispo selon configuration
                                          €330.87 €367.63 Regular price -€36.76 off Price
                                          Dispo selon configuration
                                          €330.87 €367.63 Regular price -€36.76 off Price
                                          Kit Dump Valve HKS Megane 3 RSKit Dump Valve HKS Megane 3 RS
                                            • Pack
                                            Kit Dump Valve HKS Megane 3 RS Le kit est complet et permet donc de monter une dump HKS sans necessité d'acheter d'autres pieces.
                                            €330.87€367.63Regular price-€36.76 offPrice
                                            Kit Dump Valve HKS Megane 3 RSKit Dump Valve HKS Megane 3 RS
                                              • Pack
                                              Kit Dump Valve HKS Megane 3 RS Le kit est complet et permet donc de monter une dump HKS sans necessité d'acheter d'autres pieces.
                                              €330.87€367.63Regular price-€36.76 offPrice
                                              Dispo selon configuration
                                              €121.94 €134.00 Regular price -9% off Price
                                              Dispo selon configuration
                                              €121.94 €134.00 Regular price -9% off Price
                                              Kit Vidange Motul 300V Megane 3 RS 5w40Kit Vidange Motul 300V Megane 3 RS 5w40
                                                • Pack
                                                Kit Vidange Motul 300V comprenant 3 bidons de 2 Litres d'huile Motul 300V 5w40, 1 filtre à huile de marque Renault et 1 joint bi matière de 16mm
                                                €121.94€134.00Regular price-9% offPrice
                                                Kit Vidange Motul 300V Megane 3 RS 5w40Kit Vidange Motul 300V Megane 3 RS 5w40
                                                  • Pack
                                                  Kit Vidange Motul 300V comprenant 3 bidons de 2 Litres d'huile Motul 300V 5w40, 1 filtre à huile de marque Renault et 1 joint bi matière de 16mm
                                                  €121.94€134.00Regular price-9% offPrice
                                                  Entretoise galet distribution culasse Clio 2 RS y compris Gr N et X65 CupEntretoise galet distribution culasse Clio 2 RS y compris Gr N et X65 Cup
                                                      Entretoise galet distribution culasse Clio Gr N 8200607654
                                                      €12.06Price
                                                      Entretoise galet distribution culasse Clio 2 RS y compris Gr N et X65 CupEntretoise galet distribution culasse Clio 2 RS y compris Gr N et X65 Cup
                                                          Entretoise galet distribution culasse Clio Gr N 8200607654
                                                          €12.06Price
                                                          Joint de vidangeDrain Plug Seal Clio 4 RS / Mégane RS / Alpine A110
                                                              Renault Sport and Alpine Engine Drain Plug Seal The engine drain plug seal , reference 1102601M02 , is a sealing component used at the engine oil drain...
                                                              €2.92Price
                                                              Joint de vidangeDrain Plug Seal Clio 4 RS / Mégane RS / Alpine A110
                                                                  Renault Sport and Alpine Engine Drain Plug Seal The engine drain plug seal , reference 1102601M02 , is a sealing component used at the engine oil drain...
                                                                  €2.92Price
                                                                  Joint de queue de soupape echappement Megane 3 RS et N4Joint de queue de soupape echappement Megane 3 RS et N4
                                                                      Joint de queue de soupape echappement Megane 3 RS et N4 Vendu à l'unité Véritable produit d'origine
                                                                      €7.80Price
                                                                      Joint de queue de soupape echappement Megane 3 RS et N4Joint de queue de soupape echappement Megane 3 RS et N4
                                                                          Joint de queue de soupape echappement Megane 3 RS et N4 Vendu à l'unité Véritable produit d'origine
                                                                          €7.80Price
                                                                          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
                                                                                  €197.06 Price
                                                                                  En Stock
                                                                                  €197.06 Price
                                                                                  Poulie de dephasage Clio 3 RS - Megane 3 RSPoulie de dephasage Clio 3 RS - Megane 3 RS
                                                                                      Poulie de déphasage Veritable Produit Renault vendu dans sa boite
                                                                                      €197.06Price
                                                                                      Poulie de dephasage Clio 3 RS - Megane 3 RSPoulie de dephasage Clio 3 RS - Megane 3 RS
                                                                                          Poulie de déphasage Veritable Produit Renault vendu dans sa boite
                                                                                          €197.06Price
                                                                                          En Stock
                                                                                          €198.25 Price
                                                                                          En Stock
                                                                                          €198.25 Price
                                                                                          Kit Joint Refection moteur Origine Clio 3 RS
                                                                                              Ensemble de joints nécéssaire au bon remontage du moteur de Clio 3 RS Véritable produit d'origine
                                                                                              €198.25Price
                                                                                              Kit Joint Refection moteur Origine Clio 3 RS
                                                                                                  Ensemble de joints nécéssaire au bon remontage du moteur de Clio 3 RS Véritable produit d'origine
                                                                                                  €198.25Price
                                                                                                  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
                                                                                                          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
                                                                                                                  En Stock
                                                                                                                  €133.31 Price
                                                                                                                  En Stock
                                                                                                                  €133.31 Price
                                                                                                                  Joint de Culasse renforcé CometicJoint de Culasse renforcé Cometic
                                                                                                                      Joint de culasse Cometic. Alésage du joint 83mm épaisseur du joint 0.75mm Haute résistance. Composés de trois feuilles d'acier inoxydable pour améliorer la solidité et la résistance à la corrosion. D'autres alesages et épaisseur disponibles, nous contacter.
                                                                                                                      €133.31Price
                                                                                                                      Joint de Culasse renforcé CometicJoint de Culasse renforcé Cometic
                                                                                                                          Joint de culasse Cometic. Alésage du joint 83mm épaisseur du joint 0.75mm Haute résistance. Composés de trois feuilles d'acier inoxydable pour améliorer la solidité et la résistance à la corrosion. D'autres alesages et épaisseur disponibles, nous contacter.
                                                                                                                          €133.31Price
                                                                                                                          En Stock
                                                                                                                          €1.32 Price
                                                                                                                          En Stock
                                                                                                                          €1.32 Price
                                                                                                                          Joint Vidange Boite diam 16
                                                                                                                              Gearbox Drain Plug Washer – 16 mm The Renault drain plug washer, reference 7703062062 , is a sealing component designed to help prevent oil leaks at a compatible drain...
                                                                                                                              €1.32Price
                                                                                                                              Joint Vidange Boite diam 16
                                                                                                                                  Gearbox Drain Plug Washer – 16 mm The Renault drain plug washer, reference 7703062062 , is a sealing component designed to help prevent oil leaks at a compatible drain...
                                                                                                                                  €1.32Price
                                                                                                                                  En Stock
                                                                                                                                  €90.50 €120.66 Regular price -25% off Price
                                                                                                                                  En Stock
                                                                                                                                  €90.50 €120.66 Regular price -25% off Price
                                                                                                                                  Huile moteur HTX 3823 0W20 4LHuile moteur HTX 3823 0W20 4L
                                                                                                                                      Huile moteur HTX 3823 0W20 4L Référence: 7711167580
                                                                                                                                      €90.50€120.66Regular price-25% offPrice
                                                                                                                                      Huile moteur HTX 3823 0W20 4LHuile moteur HTX 3823 0W20 4L
                                                                                                                                          Huile moteur HTX 3823 0W20 4L Référence: 7711167580
                                                                                                                                          €90.50€120.66Regular price-25% offPrice
                                                                                                                                          Dispo selon configuration
                                                                                                                                          €61.15 €71.94 Regular price -15% off Price
                                                                                                                                          Dispo selon configuration
                                                                                                                                          €61.15 €71.94 Regular price -15% off Price
                                                                                                                                          Kit Vidange Elf SXRKit Vidange Elf SXR
                                                                                                                                            • Pack
                                                                                                                                            Kit Vidange ELF SXR, filtre à huile Renault pour Clio 2 RS, Clio 3 RS et Megane 2 RS
                                                                                                                                            €61.15€71.94Regular price-15% offPrice
                                                                                                                                            Kit Vidange Elf SXRKit Vidange Elf SXR
                                                                                                                                              • Pack
                                                                                                                                              Kit Vidange ELF SXR, filtre à huile Renault pour Clio 2 RS, Clio 3 RS et Megane 2 RS
                                                                                                                                              €61.15€71.94Regular price-15% offPrice
                                                                                                                                              Durite Forge Admission Megane 2 RSForge Silicone Intake Hose Megane 2 RS
                                                                                                                                                  Forge Motorsport Silicone Intake Hose for Renault Megane 2 RS Optimize the airflow to your Renault Megane 2 RS engine with this high-quality silicone intake hose from Forge Motorsport (ref: FMRMBHS). Available in several colors. Connects to the throttle body. Discover associated products at the bottom of the page.
                                                                                                                                                  €44.99Price
                                                                                                                                                  Durite Forge Admission Megane 2 RSForge Silicone Intake Hose Megane 2 RS
                                                                                                                                                      Forge Motorsport Silicone Intake Hose for Renault Megane 2 RS Optimize the airflow to your Renault Megane 2 RS engine with this high-quality silicone intake hose from Forge Motorsport (ref: FMRMBHS). Available in several colors. Connects to the throttle body. Discover associated products at the bottom of the page.
                                                                                                                                                      €44.99Price
                                                                                                                                                      Joint carter inférieur huile moteur Twingo RS y compris R1 et R2Joint carter inférieur huile moteur Twingo RS y compris R1 et R2
                                                                                                                                                          Joint carter inférieur huile moteur Twingo RS y compris R1 et R2
                                                                                                                                                          €95.21Price
                                                                                                                                                          Joint carter inférieur huile moteur Twingo RS y compris R1 et R2Joint carter inférieur huile moteur Twingo RS y compris R1 et R2
                                                                                                                                                              Joint carter inférieur huile moteur Twingo RS y compris R1 et R2
                                                                                                                                                              €95.21Price
                                                                                                                                                              En Stock
                                                                                                                                                              €277.74 €396.77 Regular price -30% off Price
                                                                                                                                                              En Stock
                                                                                                                                                              €277.74 €396.77 Regular price -30% off Price
                                                                                                                                                              Embrayage Complet Origine Megane 3 RS
                                                                                                                                                                  Renault Mégane 3 RS Clutch Kit (Genuine) Replace your worn clutch with this genuine Renault kit, designed specifically for the Mégane 3 RS (all versions). Ensures optimal transmission and durable performance. Essential for maintaining your sports vehicle's performance.
                                                                                                                                                                  €277.74€396.77Regular price-30% offPrice
                                                                                                                                                                  Embrayage Complet Origine Megane 3 RS
                                                                                                                                                                      Renault Mégane 3 RS Clutch Kit (Genuine) Replace your worn clutch with this genuine Renault kit, designed specifically for the Mégane 3 RS (all versions). Ensures optimal transmission and durable performance. Essential for maintaining your sports vehicle's performance.
                                                                                                                                                                      €277.74€396.77Regular price-30% offPrice
                                                                                                                                                                      En Stock
                                                                                                                                                                      €3.16 Price
                                                                                                                                                                      En Stock
                                                                                                                                                                      €3.16 Price
                                                                                                                                                                      Clip maintien support linguet Twingo R2 195/205
                                                                                                                                                                          Clip maintien support linguet Twingo R2 195/205 Référence: 7711167614
                                                                                                                                                                          €3.16Price
                                                                                                                                                                          Clip maintien support linguet Twingo R2 195/205
                                                                                                                                                                              Clip maintien support linguet Twingo R2 195/205 Référence: 7711167614
                                                                                                                                                                              €3.16Price
                                                                                                                                                                              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
                                                                                                                                                                                      Collection de 48 grains de réglage soupapes Twingo R2 195-205
                                                                                                                                                                                          Collection de 48 grains de réglage soupapes Twingo R2 195-205 7711167645
                                                                                                                                                                                          €831.29Price
                                                                                                                                                                                          Collection de 48 grains de réglage soupapes Twingo R2 195-205
                                                                                                                                                                                              Collection de 48 grains de réglage soupapes Twingo R2 195-205 7711167645
                                                                                                                                                                                              €831.29Price