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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: Support moteur
  • Categories: Suralimentation (Turbo)
En Stock
€134.58 Price
En Stock
€134.58 Price
Capteur arbre à cames (déphasage) Twingo 2 RS y compris R1 et R2Camshaft Timing Solenoid – Twingo 2 RS R1 R2
      Camshaft timing solenoid valve designed for the Renault Twingo 2 RS , including Twingo R1 and Twingo R2 competition versions. It plays an important role in controlling the engine's variable camshaft timing system. Suitable for replacing a worn or faulty...
      €134.58Price
      Capteur arbre à cames (déphasage) Twingo 2 RS y compris R1 et R2Camshaft Timing Solenoid – Twingo 2 RS R1 R2
          Camshaft timing solenoid valve designed for the Renault Twingo 2 RS , including Twingo R1 and Twingo R2 competition versions. It plays an important role in controlling the engine's variable camshaft timing system. Suitable for replacing a worn or faulty...
          €134.58Price
          Genuine Renault Camshaft Position Sensor – Clio 3 RS Ph2 & Megane 3 RSGenuine Renault Camshaft Position Sensor – Clio 3 RS Ph2 & Megane 3 RS
              A key component for ignition and injection, this Genuine Renault Camshaft Position Sensor guarantees the accuracy of information transmitted to your sports car's ECU. Essential for the proper functioning of your Renault Clio 3 RS Phase 2, Clio 3 X85 Cup, and Renault Mégane 3 RS . Choose Manufacturer...
              €76.50Price
              Genuine Renault Camshaft Position Sensor – Clio 3 RS Ph2 & Megane 3 RSGenuine Renault Camshaft Position Sensor – Clio 3 RS Ph2 & Megane 3 RS
                  A key component for ignition and injection, this Genuine Renault Camshaft Position Sensor guarantees the accuracy of information transmitted to your sports car's ECU. Essential for the proper functioning of your Renault Clio 3 RS Phase 2, Clio 3 X85 Cup, and Renault Mégane 3 RS . Choose Manufacturer...
                  €76.50Price
                  En Stock
                  €556.99 Price
                  En Stock
                  €556.99 Price
                  Carter turbo-compresseur modifié Megane N4Carter turbo-compresseur modifié Megane N4
                      Carter turbo-compresseur modifié Megane N4 Référence: 7711167373
                      €556.99Price
                      Carter turbo-compresseur modifié Megane N4Carter turbo-compresseur modifié Megane N4
                          Carter turbo-compresseur modifié Megane N4 Référence: 7711167373
                          €556.99Price
                          En Stock
                          €4.20 Price
                          En Stock
                          €4.20 Price
                          Prise de bobine
                              This replacement coil plug is designed to replace faulty original coil plugs on Renault Clio 3 RS, Megane 2 RS, Megane 3 RS, and Twingo 2 RS. It ensures a reliable connection and optimal performance of the ignition system.
                              €4.20Price
                              Prise de bobine
                                  This replacement coil plug is designed to replace faulty original coil plugs on Renault Clio 3 RS, Megane 2 RS, Megane 3 RS, and Twingo 2 RS. It ensures a reliable connection and optimal performance of the ignition system.
                                  €4.20Price
                                  En Stock
                                  €81.59 Price
                                  En Stock
                                  €81.59 Price
                                  Sonde lambda Clio 2 RS et X65 CupSonde lambda Clio 2 RS et X65 Cup
                                      Sonde lambda Clio 2 RS et X65 Cup Convient en Aval des Clio 172 et pour chacunes des sondes pour la 182
                                      €81.59Price
                                      Sonde lambda Clio 2 RS et X65 CupSonde lambda Clio 2 RS et X65 Cup
                                          Sonde lambda Clio 2 RS et X65 Cup Convient en Aval des Clio 172 et pour chacunes des sondes pour la 182
                                          €81.59Price
                                          Upgrade conduit admission forge avec adaptateur Megane 4 RSUpgrade conduit admission forge avec adaptateur Megane 4 RS
                                              Upgrade conduit admission forge avec adaptateur Megane 4 RS. Produit developpé pour supprimer la restriction d'origine de l'admission. Bien qu'apportant deja un plus sur une voiture d'origine, ce produit a encore plus d'interet en cas de vehicule reprogrammé
                                              €187.01Price
                                              Upgrade conduit admission forge avec adaptateur Megane 4 RSUpgrade conduit admission forge avec adaptateur Megane 4 RS
                                                  Upgrade conduit admission forge avec adaptateur Megane 4 RS. Produit developpé pour supprimer la restriction d'origine de l'admission. Bien qu'apportant deja un plus sur une voiture d'origine, ce produit a encore plus d'interet en cas de vehicule reprogrammé
                                                  €187.01Price
                                                  Gicleur Piston 1-3 Clio 2 RS 182 et Clio 3 RS
                                                      Protect the lower F4R engine of your Clio 2 RS 182, Clio 3 RS, or Megane 2 RS with this genuine Renault oil sprayer (oil jet) for cylinders 1 and 3. A critical component for piston cooling and lubrication, it guarantees the reliability and longevity of your engine. Don't neglect the protection of your F4R.
                                                      €14.65Price
                                                      Gicleur Piston 1-3 Clio 2 RS 182 et Clio 3 RS
                                                          Protect the lower F4R engine of your Clio 2 RS 182, Clio 3 RS, or Megane 2 RS with this genuine Renault oil sprayer (oil jet) for cylinders 1 and 3. A critical component for piston cooling and lubrication, it guarantees the reliability and longevity of your engine. Don't neglect the protection of your F4R.
                                                          €14.65Price
                                                          En Stock
                                                          €106.16 Price
                                                          En Stock
                                                          €106.16 Price
                                                          Tuyau huile turbo Megane RS
                                                              Protect your turbocharger's health with this genuine Renault turbo oil feed pipe . Designed for the Renault Megane 2 RS and Megane 3 RS , this line ensures optimal lubrication of the turbine shaft. As this is an evolved version of the original manufacturer part, a specific mounting adapter ...
                                                              €106.16Price
                                                              Tuyau huile turbo Megane RS
                                                                  Protect your turbocharger's health with this genuine Renault turbo oil feed pipe . Designed for the Renault Megane 2 RS and Megane 3 RS , this line ensures optimal lubrication of the turbine shaft. As this is an evolved version of the original manufacturer part, a specific mounting adapter ...
                                                                  €106.16Price
                                                                  En Stock
                                                                  €21.91 €31.30 Regular price -30% off Price
                                                                  En Stock
                                                                  €21.91 €31.30 Regular price -30% off Price
                                                                  Bougie origine Megane 4 GT 205Bougie origine Megane 4 GT 205
                                                                      Bougie origine Megane 4 GT 205 Vendue à l'unité
                                                                      €21.91€31.30Regular price-30% offPrice
                                                                      Bougie origine Megane 4 GT 205Bougie origine Megane 4 GT 205
                                                                          Bougie origine Megane 4 GT 205 Vendue à l'unité
                                                                          €21.91€31.30Regular price-30% offPrice
                                                                          En Stock
                                                                          €29.62 Price
                                                                          En Stock
                                                                          €29.62 Price
                                                                          Vis creuse tuyauterie alimentation huile Megane RS
                                                                              Vis creuse tuyauterie alimentation huile Megane 2 et 3 RS
                                                                              €29.62Price
                                                                              Vis creuse tuyauterie alimentation huile Megane RS
                                                                                  Vis creuse tuyauterie alimentation huile Megane 2 et 3 RS
                                                                                  €29.62Price
                                                                                  En Stock
                                                                                  €233.69 Price
                                                                                  En Stock
                                                                                  €233.69 Price
                                                                                  Sonde lambda (oxygene) Clio 3 RSSonde lambda (oxygene) Clio 3 RS
                                                                                      Sonde lambda (oxygene) Clio 3 RS 2 Modeles existent, la difference se situe au niveau des connecteurs des prises. Nous contacter pour confirmer la compatibilité
                                                                                      €233.69Price
                                                                                      Sonde lambda (oxygene) Clio 3 RSSonde lambda (oxygene) Clio 3 RS
                                                                                          Sonde lambda (oxygene) Clio 3 RS 2 Modeles existent, la difference se situe au niveau des connecteurs des prises. Nous contacter pour confirmer la compatibilité
                                                                                          €233.69Price
                                                                                          En Stock
                                                                                          €178.20 Price
                                                                                          En Stock
                                                                                          €178.20 Price
                                                                                          Plaque reniflard Clio 2 RS 172
                                                                                              Plaque de reniflard taillé massé venant en lieu et place de la plaque d'origine Ajout un raccord Dash permettant de venir connecter directement un recuperateur de vapeur d'huile. Cette piece est un serieux atout pour les véhicules ayant modifié le collecteur d'admission d'origine. Produit a completer avec un joint Loctite 5980.
                                                                                              €178.20Price
                                                                                              Plaque reniflard Clio 2 RS 172
                                                                                                  Plaque de reniflard taillé massé venant en lieu et place de la plaque d'origine Ajout un raccord Dash permettant de venir connecter directement un recuperateur de vapeur d'huile. Cette piece est un serieux atout pour les véhicules ayant modifié le collecteur d'admission d'origine. Produit a completer avec un joint Loctite 5980.
                                                                                                  €178.20Price
                                                                                                  En Stock
                                                                                                  €11.53 Price
                                                                                                  En Stock
                                                                                                  €11.53 Price
                                                                                                  Demi coussinet rainurés jaune vilebrequin K4M 854Demi coussinet rainurés jaune vilebrequin K4M 854
                                                                                                      Demi coussinet rainurés jaune vilebrequin K4M 854
                                                                                                      €11.53Price
                                                                                                      Demi coussinet rainurés jaune vilebrequin K4M 854Demi coussinet rainurés jaune vilebrequin K4M 854
                                                                                                          Demi coussinet rainurés jaune vilebrequin K4M 854
                                                                                                          €11.53Price
                                                                                                          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
                                                                                                              €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
                                                                                                                  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
                                                                                                                          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
                                                                                                                                  Bague étanchéité arbre à cames Twingo R2Twingo RS (R1/R2) Exhaust Camshaft Oil Seal - Original
                                                                                                                                      The original Renault exhaust camshaft oil seal is an essential sealing part for your Renault Twingo RS, Twingo R1 , or Twingo R2 . It ensures a tight seal between the camshaft, cylinder head, and valve cover, preserving your engine's performance and reliability.
                                                                                                                                      €16.92Price
                                                                                                                                      Bague étanchéité arbre à cames Twingo R2Twingo RS (R1/R2) Exhaust Camshaft Oil Seal - Original
                                                                                                                                          The original Renault exhaust camshaft oil seal is an essential sealing part for your Renault Twingo RS, Twingo R1 , or Twingo R2 . It ensures a tight seal between the camshaft, cylinder head, and valve cover, preserving your engine's performance and reliability.
                                                                                                                                          €16.92Price
                                                                                                                                          Durite Forge Induction Megane 2 RSDurite Forge Induction Megane 2 RS
                                                                                                                                              Durite Forge Silicone. Se monte en lieu et place Plusieurs Coloris Disponibles
                                                                                                                                              €140.75Price
                                                                                                                                              Durite Forge Induction Megane 2 RSDurite Forge Induction Megane 2 RS
                                                                                                                                                  Durite Forge Silicone. Se monte en lieu et place Plusieurs Coloris Disponibles
                                                                                                                                                  €140.75Price
                                                                                                                                                  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
                                                                                                                                                          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
                                                                                                                                                                  En Stock
                                                                                                                                                                  €36.05 Price
                                                                                                                                                                  En Stock
                                                                                                                                                                  €36.05 Price
                                                                                                                                                                  Jeu de Bougies Renault Clio 16S
                                                                                                                                                                      Jeu de Bougies Renault (fabriqué par NGK) (Vendu par 4) pour Clio 16S Produit d'origine Renault
                                                                                                                                                                      €36.05Price
                                                                                                                                                                      Jeu de Bougies Renault Clio 16S
                                                                                                                                                                          Jeu de Bougies Renault (fabriqué par NGK) (Vendu par 4) pour Clio 16S Produit d'origine Renault
                                                                                                                                                                          €36.05Price
                                                                                                                                                                          Dispo selon configuration
                                                                                                                                                                          €6.00 Price
                                                                                                                                                                          Dispo selon configuration
                                                                                                                                                                          €6.00 Price
                                                                                                                                                                          Tuyau de dépressionTuyau de dépression
                                                                                                                                                                              Tuyau de depression de diamètre 4mm. Sert généralement pour l'installation de Dump Valve. Prix au metre
                                                                                                                                                                              €6.00Price
                                                                                                                                                                              Tuyau de dépressionTuyau de dépression
                                                                                                                                                                                  Tuyau de depression de diamètre 4mm. Sert généralement pour l'installation de Dump Valve. Prix au metre
                                                                                                                                                                                  €6.00Price
                                                                                                                                                                                  Bague étanchéité électrovanne déphasage Twingo RS, R1 et R2Bague étanchéité électrovanne déphasage Twingo RS, R1 et R2
                                                                                                                                                                                      Bague étanchéité électrovanne de déphasage Twingo RS, R1 et R2
                                                                                                                                                                                      €17.09Price
                                                                                                                                                                                      Bague étanchéité électrovanne déphasage Twingo RS, R1 et R2Bague étanchéité électrovanne déphasage Twingo RS, R1 et R2
                                                                                                                                                                                          Bague étanchéité électrovanne de déphasage Twingo RS, R1 et R2
                                                                                                                                                                                          €17.09Price
                                                                                                                                                                                          En Stock
                                                                                                                                                                                          €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
                                                                                                                                                                                                  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
                                                                                                                                                                                                          €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