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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: Allumage
  • Categories: Préparation intérieure
  • Categories: Suralimentation (Turbo)
Reinforced silicone intercooler boost hose kit Forge Motorsport FMKTRC for Renault Clio 4 RS. black
      Prevent boost pressure leaks and protect your intake system with the premium Forge Motorsport Silicon Turbo Hose Kit FMKTRC for Clio 4 RS . Manufactured from high-tensile, multi-layer reinforced silicone, this kit directly replaces factory rubber lines that are prone to...
      €230.39Price
      Reinforced silicone intercooler boost hose kit Forge Motorsport FMKTRC for Renault Clio 4 RS. black
          Prevent boost pressure leaks and protect your intake system with the premium Forge Motorsport Silicon Turbo Hose Kit FMKTRC for Clio 4 RS . Manufactured from high-tensile, multi-layer reinforced silicone, this kit directly replaces factory rubber lines that are prone to...
          €230.39Price
          En Stock
          €1,326.07 Price
          En Stock
          €1,326.07 Price
          AAC Admission loi 286TR2A2 Twingo R2 205
              AAC Admission loi 286TR2A2 Twingo R2 205 Référence: 7711167674
              €1,326.07Price
              AAC Admission loi 286TR2A2 Twingo R2 205
                  AAC Admission loi 286TR2A2 Twingo R2 205 Référence: 7711167674
                  €1,326.07Price
                  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
                          En Stock
                          €224.35 Price
                          En Stock
                          €224.35 Price
                          Kit Joint Refection moteur Origine Clio 2 RS
                              Ensemble de joints nécéssaire au bon remontage du moteur de Clio 2 RS Véritable produit d'origine La photo ne comporte pas les joints spy d'arbres à cames mais ceux ci sont bien fournis
                              €224.35Price
                              Kit Joint Refection moteur Origine Clio 2 RS
                                  Ensemble de joints nécéssaire au bon remontage du moteur de Clio 2 RS Véritable produit d'origine La photo ne comporte pas les joints spy d'arbres à cames mais ceux ci sont bien fournis
                                  €224.35Price
                                  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
                                          Joint trama capteur pression huile Ø8.4x13.8 Clio 2 Cup X65
                                              Joint trama capteur pression huile Ø8.4x13.8 Clio 2 Cup X65 Référence : 7711065381
                                              €0.23Price
                                              Joint trama capteur pression huile Ø8.4x13.8 Clio 2 Cup X65
                                                  Joint trama capteur pression huile Ø8.4x13.8 Clio 2 Cup X65 Référence : 7711065381
                                                  €0.23Price
                                                  En Stock
                                                  €47.34 Price
                                                  En Stock
                                                  €47.34 Price
                                                  Genuine Renault Exhaust Valve Twingo 2 RS/R1/R2Genuine Renault Exhaust Valve Twingo 2 RS/R1/R2
                                                      Genuine Renault Exhaust Valve - Twingo 2 RS, Twingo R1, Twingo R2 160hp Authentic Renault exhaust valve, ensuring optimal sealing and performance. Specific replacement part for Renault Twingo 2 RS, Twingo R1, and Twingo R2 160hp models. Contributes to proper engine operation and efficient exhaust gas...
                                                      €47.34Price
                                                      Genuine Renault Exhaust Valve Twingo 2 RS/R1/R2Genuine Renault Exhaust Valve Twingo 2 RS/R1/R2
                                                          Genuine Renault Exhaust Valve - Twingo 2 RS, Twingo R1, Twingo R2 160hp Authentic Renault exhaust valve, ensuring optimal sealing and performance. Specific replacement part for Renault Twingo 2 RS, Twingo R1, and Twingo R2 160hp models. Contributes to proper engine operation and efficient exhaust gas...
                                                          €47.34Price
                                                          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
                                                                  Fixations Forge Capteur Sur RadiateurFORGE MOTORSPORT FMRCLMP Sensor Securing Kit - Megane 2 RS
                                                                      Secure the sensors of your Megane 2 RS with the FORGE MOTORSPORT FMRCLMP kit. Composed of 2 reinforcements, it ensures optimal support for the depression hose and pressure sensor. Avoid performance losses and reliability issues.
                                                                      €36.80Price
                                                                      Fixations Forge Capteur Sur RadiateurFORGE MOTORSPORT FMRCLMP Sensor Securing Kit - Megane 2 RS
                                                                          Secure the sensors of your Megane 2 RS with the FORGE MOTORSPORT FMRCLMP kit. Composed of 2 reinforcements, it ensures optimal support for the depression hose and pressure sensor. Avoid performance losses and reliability issues.
                                                                          €36.80Price
                                                                          Durite Silicone liaison conduit air turbo Megane 2 RS pour tubulure FORGEDurite Silicone liaison conduit air turbo Megane 2 RS pour tubulure FORGE
                                                                              Durite Silicone liaison conduit air turbo Megane 2 RS Durite visible sur le dessus du moteur
                                                                              €14.22Price
                                                                              Durite Silicone liaison conduit air turbo Megane 2 RS pour tubulure FORGEDurite Silicone liaison conduit air turbo Megane 2 RS pour tubulure FORGE
                                                                                  Durite Silicone liaison conduit air turbo Megane 2 RS Durite visible sur le dessus du moteur
                                                                                  €14.22Price
                                                                                  Dispo selon configuration
                                                                                  €169.00 €209.02 Regular price -€40.02 off Price
                                                                                  Dispo selon configuration
                                                                                  €169.00 €209.02 Regular price -€40.02 off Price
                                                                                  COLD SIDE Clio 4 RS (conduit d'air renforcé)Uprated Cold Side Boost Pipe Kit - Renault Clio 4 RS
                                                                                    • Pack
                                                                                    Protect your turbocharging system against pressure drops with the high-performance Cold Side Kit for the Renault Clio 4 RS (Uprated Air Guide Pipe) . This reinforced intake hose replaces the fragile factory plastic pipe that is prone to cracking, optimizing cold airflow...
                                                                                    €169.00€209.02Regular price-€40.02 offPrice
                                                                                    COLD SIDE Clio 4 RS (conduit d'air renforcé)Uprated Cold Side Boost Pipe Kit - Renault Clio 4 RS
                                                                                      • Pack
                                                                                      Protect your turbocharging system against pressure drops with the high-performance Cold Side Kit for the Renault Clio 4 RS (Uprated Air Guide Pipe) . This reinforced intake hose replaces the fragile factory plastic pipe that is prone to cracking, optimizing cold airflow...
                                                                                      €169.00€209.02Regular price-€40.02 offPrice
                                                                                      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
                                                                                              €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
                                                                                                      €50.21 €83.68 Regular price -40% off Price
                                                                                                      En Stock
                                                                                                      €50.21 €83.68 Regular price -40% off Price
                                                                                                      Bobine D'allumage
                                                                                                          Optimize your engine's combustion cycle with this genuine Renault ignition coil . Sold individually, it is the essential choice for Renault Megane 2 RS , Clio 3 RS , Megane 3 RS , and Twingo 2 RS owners looking to maintain optimal ignition performance. Certified...
                                                                                                          €50.21€83.68Regular price-40% offPrice
                                                                                                          Bobine D'allumage
                                                                                                              Optimize your engine's combustion cycle with this genuine Renault ignition coil . Sold individually, it is the essential choice for Renault Megane 2 RS , Clio 3 RS , Megane 3 RS , and Twingo 2 RS owners looking to maintain optimal ignition performance. Certified...
                                                                                                              €50.21€83.68Regular price-40% offPrice
                                                                                                              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
                                                                                                                      €57.84 Price
                                                                                                                      En Stock
                                                                                                                      €57.84 Price
                                                                                                                      Capteur PMH Clio 2 RS
                                                                                                                          Capteur PMH Clio 2 RS Selon votre modèle actuel de PMH, il est peut être nécessaire de prendre l'adaptateur proposé en bas de page en supplément.
                                                                                                                          €57.84Price
                                                                                                                          Capteur PMH Clio 2 RS
                                                                                                                              Capteur PMH Clio 2 RS Selon votre modèle actuel de PMH, il est peut être nécessaire de prendre l'adaptateur proposé en bas de page en supplément.
                                                                                                                              €57.84Price
                                                                                                                              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
                                                                                                                                      High-tensile steel replacement tuning preload spring for Forge Motorsport dump valves.
                                                                                                                                          Prevent boost pressure leaks and excessive throttle response lag on your turbocharged engine block. This premium Forge Dump Valve Preload Spring features an uprated mechanical rating designed specifically to maintain the internal piston seal of your bypass valve under high...
                                                                                                                                          €10.93Price
                                                                                                                                          High-tensile steel replacement tuning preload spring for Forge Motorsport dump valves.
                                                                                                                                              Prevent boost pressure leaks and excessive throttle response lag on your turbocharged engine block. This premium Forge Dump Valve Preload Spring features an uprated mechanical rating designed specifically to maintain the internal piston seal of your bypass valve under high...
                                                                                                                                              €10.93Price
                                                                                                                                              Vis de bielle origine
                                                                                                                                                  Secure your performance engine's bottom end with this genuine RENAULT connecting rod bolt , sold individually. Engineered to withstand high RPMs, it is essential for the maintenance and personalization of Clio 2 RS , Clio 3 RS , Megane 2/3 RS , and Clio Williams ...
                                                                                                                                                  €8.56Price
                                                                                                                                                  Vis de bielle origine
                                                                                                                                                      Secure your performance engine's bottom end with this genuine RENAULT connecting rod bolt , sold individually. Engineered to withstand high RPMs, it is essential for the maintenance and personalization of Clio 2 RS , Clio 3 RS , Megane 2/3 RS , and Clio Williams ...
                                                                                                                                                      €8.56Price
                                                                                                                                                      En Stock
                                                                                                                                                      €56.11 Price
                                                                                                                                                      En Stock
                                                                                                                                                      €56.11 Price
                                                                                                                                                      Électrovanne pilotée Megane 2 RSTurbo Boost Solenoid Valve Mégane 2 RS
                                                                                                                                                          Turbo Boost Control Solenoid Valve – Renault Mégane 2 RS The turbo boost control solenoid valve, reference 8200702990 , is an engine management component designed to regulate the turbocharger...
                                                                                                                                                          €56.11Price
                                                                                                                                                          Électrovanne pilotée Megane 2 RSTurbo Boost Solenoid Valve Mégane 2 RS
                                                                                                                                                              Turbo Boost Control Solenoid Valve – Renault Mégane 2 RS The turbo boost control solenoid valve, reference 8200702990 , is an engine management component designed to regulate the turbocharger...
                                                                                                                                                              €56.11Price
                                                                                                                                                              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
                                                                                                                                                                      En Stock
                                                                                                                                                                      €251.47 Price
                                                                                                                                                                      En Stock
                                                                                                                                                                      €251.47 Price
                                                                                                                                                                      Kit Joint Refection moteur Origine Megane 3 RSKit Joint Refection moteur Origine Megane 3 RS
                                                                                                                                                                          Ensemble de joints nécessaire au bon remontage du moteur de Megane 3 RS Véritable produit d'origine
                                                                                                                                                                          €251.47Price
                                                                                                                                                                          Kit Joint Refection moteur Origine Megane 3 RSKit Joint Refection moteur Origine Megane 3 RS
                                                                                                                                                                              Ensemble de joints nécessaire au bon remontage du moteur de Megane 3 RS Véritable produit d'origine
                                                                                                                                                                              €251.47Price
                                                                                                                                                                              En Stock
                                                                                                                                                                              €36.01 Price
                                                                                                                                                                              En Stock
                                                                                                                                                                              €36.01 Price
                                                                                                                                                                              Kit ressorts Dump Valve Forge
                                                                                                                                                                                  Kit comprenant plusieurs ressorts pour ajuster vos Dump Valve Ne convient pas pour les références de dump suivantes : FMDVFSIT, FMDVFSITVR et FMDVK04D Kit permettant l'optimisation de votre Dump afin de l'ajuster à vos autres modifications (préparation). Il est composé de 4 ressorts de remplacement. Couleurs des ressorts et pressions correspondantes: Vert 0,3 à 1,03 Bar Jaune 1.03 à 1,53 Bar...
                                                                                                                                                                                  €36.01Price
                                                                                                                                                                                  Kit ressorts Dump Valve Forge
                                                                                                                                                                                      Kit comprenant plusieurs ressorts pour ajuster vos Dump Valve Ne convient pas pour les références de dump suivantes : FMDVFSIT, FMDVFSITVR et FMDVK04D Kit permettant l'optimisation de votre Dump afin de l'ajuster à vos autres modifications (préparation). Il est composé de 4 ressorts de remplacement. Couleurs des ressorts et pressions correspondantes: Vert 0,3 à 1,03 Bar Jaune 1.03 à 1,53 Bar...
                                                                                                                                                                                      €36.01Price
                                                                                                                                                                                      Multi-layer reinforced silicone turbo boost hose kit by Forge Motorsport for Renault Megane 2 RS.Silicone Turbo Hose Kit Forge | Renault Megane 2 RS
                                                                                                                                                                                          Do not risk a sudden loss of boost pressure during a hard acceleration pull, a split factory duct caused by extreme engine bay heat, or an efficiency drop at your intercooler cores. The premium Kit Durites (Tubulures) Turbo Forge Motorsport pour Megane 2 RS replaces...
                                                                                                                                                                                          €241.00Price
                                                                                                                                                                                          Multi-layer reinforced silicone turbo boost hose kit by Forge Motorsport for Renault Megane 2 RS.Silicone Turbo Hose Kit Forge | Renault Megane 2 RS
                                                                                                                                                                                              Do not risk a sudden loss of boost pressure during a hard acceleration pull, a split factory duct caused by extreme engine bay heat, or an efficiency drop at your intercooler cores. The premium Kit Durites (Tubulures) Turbo Forge Motorsport pour Megane 2 RS replaces...
                                                                                                                                                                                              €241.00Price
                                                                                                                                                                                              En Stock
                                                                                                                                                                                              €720.00 Price
                                                                                                                                                                                              En Stock
                                                                                                                                                                                              €720.00 Price
                                                                                                                                                                                              Echangeur Airtec Megane 3 RSEchangeur Airtec Megane 3 RS
                                                                                                                                                                                                  Échangeur Airtec spécifique à la Mégane 3 RS. Échangeur de 60 mm se montant en lieu et place sans modifications et équipé d'une tôle permettant de diriger un plus gros flux d'air vers l’échangeur. Disponible en gris
                                                                                                                                                                                                  €720.00Price
                                                                                                                                                                                                  Echangeur Airtec Megane 3 RSEchangeur Airtec Megane 3 RS
                                                                                                                                                                                                      Échangeur Airtec spécifique à la Mégane 3 RS. Échangeur de 60 mm se montant en lieu et place sans modifications et équipé d'une tôle permettant de diriger un plus gros flux d'air vers l’échangeur. Disponible en gris
                                                                                                                                                                                                      €720.00Price