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: Circuit d'air
  • Categories: Support moteur
  • Categories: Suralimentation (Turbo)
En Stock
€790.00 Price
En Stock
€790.00 Price
Echangeur Wagner Megane 3 RSEchangeur Wagner Megane 3 RS
      Wagner Tuning Intercooler for Renault Mégane 3 RS: Boost your sports car's performance with this high-performance intercooler. Designed to efficiently cool the turbocharged air, it enhances your engine's power, torque, and reliability, while also giving your vehicle a sportier look.
      €790.00Price
      Echangeur Wagner Megane 3 RSEchangeur Wagner Megane 3 RS
          Wagner Tuning Intercooler for Renault Mégane 3 RS: Boost your sports car's performance with this high-performance intercooler. Designed to efficiently cool the turbocharged air, it enhances your engine's power, torque, and reliability, while also giving your vehicle a sportier look.
          €790.00Price
          Divergent boitier filtre assemblé Twingo R2
              Optimize the air intake of your Renault Twingo R2 (195/205hp) with this official RENAULT SPORT air filter housing diverter . Developed for competition, this part with reference 7711167591 is essential for maximizing airflow and ensuring maximum engine power across the entire operating range. An indispensable addition for engine performance .
              €511.63Price
              Divergent boitier filtre assemblé Twingo R2
                  Optimize the air intake of your Renault Twingo R2 (195/205hp) with this official RENAULT SPORT air filter housing diverter . Developed for competition, this part with reference 7711167591 is essential for maximizing airflow and ensuring maximum engine power across the entire operating range. An indispensable addition for engine performance .
                  €511.63Price
                  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
                          €13.20 Price
                          En Stock
                          €13.20 Price
                          Joint Plenum Clio 3 RSJoint Plenum Clio 3 RS
                              Joint Plenum Clio 3 RS Joint permettant de faire l’étanchéité entre le moteur et le collecteur d'admission. Il est conseillé de le changer lors à chaque démontage
                              €13.20Price
                              Joint Plenum Clio 3 RSJoint Plenum Clio 3 RS
                                  Joint Plenum Clio 3 RS Joint permettant de faire l’étanchéité entre le moteur et le collecteur d'admission. Il est conseillé de le changer lors à chaque démontage
                                  €13.20Price
                                  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
                                          Durite d'admission d'air Forge Motorsport Mégane 3 RSDurite d'admission d'air Forge Motorsport Mégane 3 RS
                                              Durite d'admission d'air silicone Forge Motorsport qui se fixe en sortie de boite à air. Celle ce permet d'augmenter le débit d'air notamment grâce à un diamètre plus gros ainsi qu'une surface lisse interne. Se monte en lieu et place de celle d'origine Plusieurs couleurs disponibles
                                              €159.77Price
                                              Durite d'admission d'air Forge Motorsport Mégane 3 RSDurite d'admission d'air Forge Motorsport Mégane 3 RS
                                                  Durite d'admission d'air silicone Forge Motorsport qui se fixe en sortie de boite à air. Celle ce permet d'augmenter le débit d'air notamment grâce à un diamètre plus gros ainsi qu'une surface lisse interne. Se monte en lieu et place de celle d'origine Plusieurs couleurs disponibles
                                                  €159.77Price
                                                  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 Admission Clio 2 RSSilicone Air Induction Hose for Renault Clio 2 RS
                                                              Stop letting a perished or cracked factory hose choke your Clio 2 RS engine. This reinforced silicone induction hose is a direct replacement for the OEM rubber part, which is notorious for collapsing under vacuum. Available in various colors for a subtle or race-inspired customization , it ensures...
                                                              €69.00Price
                                                              Durite Admission Clio 2 RSSilicone Air Induction Hose for Renault Clio 2 RS
                                                                  Stop letting a perished or cracked factory hose choke your Clio 2 RS engine. This reinforced silicone induction hose is a direct replacement for the OEM rubber part, which is notorious for collapsing under vacuum. Available in various colors for a subtle or race-inspired customization , it ensures...
                                                                  €69.00Price
                                                                  Joint anti-usure jonction écope divergent Twingo R2
                                                                      Joint anti-usure jonction écope divergent Twingo R2 Référence: 7711167594
                                                                      €8.48Price
                                                                      Joint anti-usure jonction écope divergent Twingo R2
                                                                          Joint anti-usure jonction écope divergent Twingo R2 Référence: 7711167594
                                                                          €8.48Price
                                                                          Dispo selon configuration
                                                                          €199.00 Price
                                                                          Dispo selon configuration
                                                                          €199.00 Price
                                                                          Admission Forge Clio 4 RS Euro 6Admission Forge Clio 4 RS Euro 6
                                                                              Ce kit est spécialement conçu pour la Renault Clio 4 RS Trophy (ne convient pas aux clio 4 RS non Trophy) Il comprend le tuyau de silicone conçu sur mesure combiné avec un haut débit filtre de cône non huilée en coton permettant une excellente filtration. Tout le nécessaire est fourni dans le kit, y compris les colliers en acier inoxydable de qualité. Ce kit a été testé et permet un gain...
                                                                              €199.00Price
                                                                              Admission Forge Clio 4 RS Euro 6Admission Forge Clio 4 RS Euro 6
                                                                                  Ce kit est spécialement conçu pour la Renault Clio 4 RS Trophy (ne convient pas aux clio 4 RS non Trophy) Il comprend le tuyau de silicone conçu sur mesure combiné avec un haut débit filtre de cône non huilée en coton permettant une excellente filtration. Tout le nécessaire est fourni dans le kit, y compris les colliers en acier inoxydable de qualité. Ce kit a été testé et permet un gain...
                                                                                  €199.00Price
                                                                                  Echangeur air/air Megane 3 RS et N4Genuine Renault Air/Air Intercooler for Mégane 3 RS and N4
                                                                                      Don't accept any loss of performance for your Mégane 3 RS or Mégane N4 ! This strictly genuine Renault air/air intercooler is the cornerstone for maintaining your engine's power and reliability. Without it, your sports vehicle risks never reaching its full potential, especially in extreme conditions. Find complementary products at the bottom...
                                                                                      €493.96Price
                                                                                      Echangeur air/air Megane 3 RS et N4Genuine Renault Air/Air Intercooler for Mégane 3 RS and N4
                                                                                          Don't accept any loss of performance for your Mégane 3 RS or Mégane N4 ! This strictly genuine Renault air/air intercooler is the cornerstone for maintaining your engine's power and reliability. Without it, your sports vehicle risks never reaching its full potential, especially in extreme conditions. Find complementary products at the bottom...
                                                                                          €493.96Price
                                                                                          En Stock
                                                                                          €12.50 Price
                                                                                          En Stock
                                                                                          €12.50 Price
                                                                                          Joint Collecteur Admission Clio 3 RS
                                                                                              Joint Collecteur Admission Clio 3 RS Joint permettant de faire l’étanchéité entre le moteur et le collecteur d'admission. Il est conseillé de le changer lors à chaque démontage
                                                                                              €12.50Price
                                                                                              Joint Collecteur Admission Clio 3 RS
                                                                                                  Joint Collecteur Admission Clio 3 RS Joint permettant de faire l’étanchéité entre le moteur et le collecteur d'admission. Il est conseillé de le changer lors à chaque démontage
                                                                                                  €12.50Price
                                                                                                  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
                                                                                                          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
                                                                                                                  Dump Valve Megane 3 RS avec Kit de montageDump Valve Megane 3 RS avec Kit de montage
                                                                                                                      Kit Dump Valve Forge. Circuit ouvert. Ce mode de fonctionnement est reconnaissable au PSSCHHIIIITTT qui se laisse entendre lors du changement de rapport Le kit Comprend, la Dump Valve, 2 colliers, un raccord inox, et un tube coudé et le bouchon nécessaire à boucher le trou lors de la suppression de la dump valve d'origine (pas present dans tous les kits que l'on trouve sur le net). Idéal sur...
                                                                                                                      €261.86Price
                                                                                                                      Dump Valve Megane 3 RS avec Kit de montageDump Valve Megane 3 RS avec Kit de montage
                                                                                                                          Kit Dump Valve Forge. Circuit ouvert. Ce mode de fonctionnement est reconnaissable au PSSCHHIIIITTT qui se laisse entendre lors du changement de rapport Le kit Comprend, la Dump Valve, 2 colliers, un raccord inox, et un tube coudé et le bouchon nécessaire à boucher le trou lors de la suppression de la dump valve d'origine (pas present dans tous les kits que l'on trouve sur le net). Idéal sur...
                                                                                                                          €261.86Price
                                                                                                                          En Stock
                                                                                                                          €23.50 Price
                                                                                                                          En Stock
                                                                                                                          €23.50 Price
                                                                                                                          Kit Revision Dump Valve Recirculation Forge
                                                                                                                              Kit revision pour Dump Valve Forge comprenant: - 1 sachet de graisse - un piston - joints toriques 
                                                                                                                              €23.50Price
                                                                                                                              Kit Revision Dump Valve Recirculation Forge
                                                                                                                                  Kit revision pour Dump Valve Forge comprenant: - 1 sachet de graisse - un piston - joints toriques 
                                                                                                                                  €23.50Price
                                                                                                                                  En Stock
                                                                                                                                  €17.45 Price
                                                                                                                                  En Stock
                                                                                                                                  €17.45 Price
                                                                                                                                  Support inférieur écope boitier filtre Twingo R2
                                                                                                                                      Support inférieur écope boitier filtre Twingo R2 Référence: 7711167597
                                                                                                                                      €17.45Price
                                                                                                                                      Support inférieur écope boitier filtre Twingo R2
                                                                                                                                          Support inférieur écope boitier filtre Twingo R2 Référence: 7711167597
                                                                                                                                          €17.45Price
                                                                                                                                          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
                                                                                                                                                  En Stock
                                                                                                                                                  €10.57 €13.93 Regular price -€3.36 off Price
                                                                                                                                                  En Stock
                                                                                                                                                  €10.57 €13.93 Regular price -€3.36 off Price
                                                                                                                                                  Joint Collecteur Admission Clio 2 RS
                                                                                                                                                      Ensure vital engine sealing with this genuine Renault intake manifold gasket for the Clio 2 RS (172 and 182hp). This authentic component guarantees a perfect junction between the cylinder head and your manifold, preventing any parasitic air leaks that could degrade the performance of your F4R engine . Do not...
                                                                                                                                                      €10.57€13.93Regular price-€3.36 offPrice
                                                                                                                                                      Joint Collecteur Admission Clio 2 RS
                                                                                                                                                          Ensure vital engine sealing with this genuine Renault intake manifold gasket for the Clio 2 RS (172 and 182hp). This authentic component guarantees a perfect junction between the cylinder head and your manifold, preventing any parasitic air leaks that could degrade the performance of your F4R engine . Do not...
                                                                                                                                                          €10.57€13.93Regular price-€3.36 offPrice
                                                                                                                                                          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
                                                                                                                                                              €13.37 Price
                                                                                                                                                              En Stock
                                                                                                                                                              €13.37 Price
                                                                                                                                                              Joint Plenum Clio 2 RS
                                                                                                                                                                  Joint Plenum Clio 2 RS. Joint permettant de faire l’étanchéité entre le collecteur d'admission et le plenum Il est conseillé de le changer lors à chaque démontage et donc lors du retaillage de l'ensemble collecteur / plenum
                                                                                                                                                                  €13.37Price
                                                                                                                                                                  Joint Plenum Clio 2 RS
                                                                                                                                                                      Joint Plenum Clio 2 RS. Joint permettant de faire l’étanchéité entre le collecteur d'admission et le plenum Il est conseillé de le changer lors à chaque démontage et donc lors du retaillage de l'ensemble collecteur / plenum
                                                                                                                                                                      €13.37Price
                                                                                                                                                                      Dump Valve Ouverte Forge Clio 4 RSDump Valve Ouverte Forge Clio 4 RS
                                                                                                                                                                          The Forge Motorsport open dump valve , reference FMDVC200A , is designed for the Renault Clio IV RS 1.6 Turbo 200/220 . This atmospheric blow-off valve replaces the standard setup and releases excess boost pressure externally when the throttle is lifted. The kit is specifically developed for the Clio 4 RS and includes...
                                                                                                                                                                          €191.53Price
                                                                                                                                                                          Dump Valve Ouverte Forge Clio 4 RSDump Valve Ouverte Forge Clio 4 RS
                                                                                                                                                                              The Forge Motorsport open dump valve , reference FMDVC200A , is designed for the Renault Clio IV RS 1.6 Turbo 200/220 . This atmospheric blow-off valve replaces the standard setup and releases excess boost pressure externally when the throttle is lifted. The kit is specifically developed for the Clio 4 RS and includes...
                                                                                                                                                                              €191.53Price
                                                                                                                                                                              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
                                                                                                                                                                                      €65.11 Price
                                                                                                                                                                                      Dispo selon configuration
                                                                                                                                                                                      €65.11 Price
                                                                                                                                                                                      T de raccord de Dump Megane 2 RS
                                                                                                                                                                                          T de marque Forge pour le raccord de Dump Valve (Diametre de liaison 25mm)
                                                                                                                                                                                          €65.11Price
                                                                                                                                                                                          T de raccord de Dump Megane 2 RS
                                                                                                                                                                                              T de marque Forge pour le raccord de Dump Valve (Diametre de liaison 25mm)
                                                                                                                                                                                              €65.11Price
                                                                                                                                                                                              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