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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: Circuit d'air
  • Categories: Circuit d'eau
  • Categories: Entretien
  • Categories: Préparation intérieure
Guide jauge huile interne Twingo 2 RS y compris R1 et R2
      Guide jauge huile interne Twingo 2 RS y compris R1 et R2 Élément venant de monter dans le carter cylindre
      €39.78Price
      Guide jauge huile interne Twingo 2 RS y compris R1 et R2
          Guide jauge huile interne Twingo 2 RS y compris R1 et R2 Élément venant de monter dans le carter cylindre
          €39.78Price
          En Stock
          €230.05 €270.65 Regular price -15% off Price
          En Stock
          €230.05 €270.65 Regular price -15% off Price
          Cale Porte Injecteur RS Clio 2 RSOriginal RENAULT Intake Manifold / Injector Rail Spacer for Clio 2 RS 182 hp
              The secret to 182 horsepower ! You wouldn't want to restrict the intake potential of your Clio 2 RS ? This Intake Manifold , also known as the Injector Rail Spacer , is the Original RENAULT part specific to the Clio 2 RS 182 hp models (compatible with all...
              €230.05€270.65Regular price-15% offPrice
              Cale Porte Injecteur RS Clio 2 RSOriginal RENAULT Intake Manifold / Injector Rail Spacer for Clio 2 RS 182 hp
                  The secret to 182 horsepower ! You wouldn't want to restrict the intake potential of your Clio 2 RS ? This Intake Manifold , also known as the Injector Rail Spacer , is the Original RENAULT part specific to the Clio 2 RS 182 hp models (compatible with all...
                  €230.05€270.65Regular price-15% offPrice
                  En Stock
                  €14.65 Price
                  En Stock
                  €14.65 Price
                  Engine Oil Jet Renault Megane 3 RSEngine Oil Jet Renault Megane 3 RS
                      Engine Oil Jet – Renault Megane 3 RS Engine oil jet designed for compatible Renault Megane 3 RS applications. This component directs engine oil to specific areas of the engine to support lubrication and help manage operating temperatures. Check compatibility with your engine before ordering.
                      €14.65Price
                      Engine Oil Jet Renault Megane 3 RSEngine Oil Jet Renault Megane 3 RS
                          Engine Oil Jet – Renault Megane 3 RS Engine oil jet designed for compatible Renault Megane 3 RS applications. This component directs engine oil to specific areas of the engine to support lubrication and help manage operating temperatures. Check compatibility with your engine before ordering.
                          €14.65Price
                          Epingle retenue butée de ressort de pompe à huile K4M
                              Epingle retenue butée de ressort de pompe à huile K4M
                              €1.22Price
                              Epingle retenue butée de ressort de pompe à huile K4M
                                  Epingle retenue butée de ressort de pompe à huile K4M
                                  €1.22Price
                                  Dispo selon configuration
                                  €254.69 Price
                                  Dispo selon configuration
                                  €254.69 Price
                                  Pompe à huile assemblée Twingo R2Pompe à huile assemblée Twingo R2
                                    • Pack
                                    Pompe à huile assemblée Twingo R2 Référence: 7711162823
                                    €254.69Price
                                    Pompe à huile assemblée Twingo R2Pompe à huile assemblée Twingo R2
                                      • Pack
                                      Pompe à huile assemblée Twingo R2 Référence: 7711162823
                                      €254.69Price
                                      Agrafe double tuyau d'eau vers radiateur intérieur Twingo 2Agrafe double tuyau d'eau vers radiateur intérieur Twingo 2
                                          Agrafe double tuyau d'eau vers radiateur intérieur Twingo 2 Référence: 7703079857
                                          €2.83Price
                                          Agrafe double tuyau d'eau vers radiateur intérieur Twingo 2Agrafe double tuyau d'eau vers radiateur intérieur Twingo 2
                                              Agrafe double tuyau d'eau vers radiateur intérieur Twingo 2 Référence: 7703079857
                                              €2.83Price
                                              Patte fixation support durites d'eau Megane 3 RS et N4Patte fixation support durites d'eau Megane 3 RS et N4
                                                  Patte fixation support durites d'eau Megane 3 RS et N4
                                                  €6.37Price
                                                  Patte fixation support durites d'eau Megane 3 RS et N4Patte fixation support durites d'eau Megane 3 RS et N4
                                                      Patte fixation support durites d'eau Megane 3 RS et N4
                                                      €6.37Price
                                                      En Stock
                                                      €121.85 Price
                                                      En Stock
                                                      €121.85 Price
                                                      Genuine Renault Idle Actuator - Clio 2 RS Phase 1Genuine Renault Idle Actuator - Clio 2 RS Phase 1
                                                          Restore perfect engine idle speed stability to your Renault Clio 2 RS Phase 1 with this genuine Renault idle actuator . An essential part often responsible for unstable idling , stalling, or difficult starting, it guarantees optimal performance for your F4R engine. Don't compromise the reliability of your sports car for a simple faulty sensor.
                                                          €121.85Price
                                                          Genuine Renault Idle Actuator - Clio 2 RS Phase 1Genuine Renault Idle Actuator - Clio 2 RS Phase 1
                                                              Restore perfect engine idle speed stability to your Renault Clio 2 RS Phase 1 with this genuine Renault idle actuator . An essential part often responsible for unstable idling , stalling, or difficult starting, it guarantees optimal performance for your F4R engine. Don't compromise the reliability of your sports car for a simple faulty sensor.
                                                              €121.85Price
                                                              Tuyau entrée radiateur de chauffage Megane 3 RS et N4
                                                                  Tuyau entrée radiateur de chauffage Megane 3 RS et N4 Référence: 924000017R
                                                                  €30.60Price
                                                                  Tuyau entrée radiateur de chauffage Megane 3 RS et N4
                                                                      Tuyau entrée radiateur de chauffage Megane 3 RS et N4 Référence: 924000017R
                                                                      €30.60Price
                                                                      En Stock
                                                                      €4.10 Price
                                                                      En Stock
                                                                      €4.10 Price
                                                                      Support inférieur radiateur Megane 3 RS et N4
                                                                          Support inférieur radiateur Megane 3 RS et N4 Référence: 215450002R
                                                                          €4.10Price
                                                                          Support inférieur radiateur Megane 3 RS et N4
                                                                              Support inférieur radiateur Megane 3 RS et N4 Référence: 215450002R
                                                                              €4.10Price
                                                                              Coude réduit 90° sortie de bocal de refroidissement Twingo R2
                                                                                  Coude réduit 90° sortie de bocal de refroidissement Twingo R2
                                                                                  €27.98Price
                                                                                  Coude réduit 90° sortie de bocal de refroidissement Twingo R2
                                                                                      Coude réduit 90° sortie de bocal de refroidissement Twingo R2
                                                                                      €27.98Price
                                                                                      Vis HRDL 5x16 fixation GMV sur radiateur Clio 2 RS et Gr N
                                                                                          Vis HRDL 5x16 fixation GMV sur radiateur Clio 2 RS et Gr N
                                                                                          €0.83Price
                                                                                          Vis HRDL 5x16 fixation GMV sur radiateur Clio 2 RS et Gr N
                                                                                              Vis HRDL 5x16 fixation GMV sur radiateur Clio 2 RS et Gr N
                                                                                              €0.83Price
                                                                                              Joint de boitier papillon
                                                                                                • Pack
                                                                                                The mechanical throttle body gasket is a quality part essential for optimizing the operation of your Renault Clio 2 RS Phase 1, Clio Gr N , or Clio 2 X65 Cup . Ensure perfect sealing and maintain your engine's performance with this reliable replacement gasket.
                                                                                                €7.93Price
                                                                                                Joint de boitier papillon
                                                                                                  • Pack
                                                                                                  The mechanical throttle body gasket is a quality part essential for optimizing the operation of your Renault Clio 2 RS Phase 1, Clio Gr N , or Clio 2 X65 Cup . Ensure perfect sealing and maintain your engine's performance with this reliable replacement gasket.
                                                                                                  €7.93Price
                                                                                                  En Stock
                                                                                                  €27.42 Price
                                                                                                  En Stock
                                                                                                  €27.42 Price
                                                                                                  Support bague étanchéité Twingo 2 RS et WindSupport bague étanchéité Twingo 2 RS et Wind
                                                                                                      Support bague étanchéité Twingo 2 RS et Wind Référence: 7700105179
                                                                                                      €27.42Price
                                                                                                      Support bague étanchéité Twingo 2 RS et WindSupport bague étanchéité Twingo 2 RS et Wind
                                                                                                          Support bague étanchéité Twingo 2 RS et Wind Référence: 7700105179
                                                                                                          €27.42Price
                                                                                                          Vis de fixation boitier d'eau Clio 2 RS y compris Gr N et X65 Cup
                                                                                                              Vis de fixation boitier d'eau Clio 2 RS y compris Gr N et X65 Cup
                                                                                                              €1.44Price
                                                                                                              Vis de fixation boitier d'eau Clio 2 RS y compris Gr N et X65 Cup
                                                                                                                  Vis de fixation boitier d'eau Clio 2 RS y compris Gr N et X65 Cup
                                                                                                                  €1.44Price
                                                                                                                  En Stock
                                                                                                                  €32.92 Price
                                                                                                                  En Stock
                                                                                                                  €32.92 Price
                                                                                                                  Poussoir contre came rouleau Twingo 2 RS et WindPoussoir contre came rouleau Twingo 2 RS et Wind
                                                                                                                      Poussoir contre came rouleau Twingo 2 RS et Wind Référence: 8200320561
                                                                                                                      €32.92Price
                                                                                                                      Poussoir contre came rouleau Twingo 2 RS et WindPoussoir contre came rouleau Twingo 2 RS et Wind
                                                                                                                          Poussoir contre came rouleau Twingo 2 RS et Wind Référence: 8200320561
                                                                                                                          €32.92Price
                                                                                                                          Résistance ventilateur moteur
                                                                                                                              The original Renault engine fan resistor is an essential regulation part to ensure optimal engine cooling on your Renault Clio 3 RS , Renault Twingo 2 RS , or Renault Twingo R1 . Maintain a stable engine temperature and prevent overheating with this original quality resistor. We ship worldwide.
                                                                                                                              €85.20Price
                                                                                                                              Résistance ventilateur moteur
                                                                                                                                  The original Renault engine fan resistor is an essential regulation part to ensure optimal engine cooling on your Renault Clio 3 RS , Renault Twingo 2 RS , or Renault Twingo R1 . Maintain a stable engine temperature and prevent overheating with this original quality resistor. We ship worldwide.
                                                                                                                                  €85.20Price
                                                                                                                                  En Stock
                                                                                                                                  €10.02 Price
                                                                                                                                  En Stock
                                                                                                                                  €10.02 Price
                                                                                                                                  Joint de cold side
                                                                                                                                      COLD SIDE SEAL – JTCOLD The cold side seal, reference JTCOLD , is a sealing component intended for use on the cold side of an air circuit. It helps provide an airtight connection between...
                                                                                                                                      €10.02Price
                                                                                                                                      Joint de cold side
                                                                                                                                          COLD SIDE SEAL – JTCOLD The cold side seal, reference JTCOLD , is a sealing component intended for use on the cold side of an air circuit. It helps provide an airtight connection between...
                                                                                                                                          €10.02Price
                                                                                                                                          En Stock
                                                                                                                                          €15.43 Price
                                                                                                                                          En Stock
                                                                                                                                          €15.43 Price
                                                                                                                                          Centreur boite de vitesse et pompe à huileCentreur boite de vitesse et pompe à huile
                                                                                                                                              Centreur boite de vitesse et pompe à huile Nous contacter en cas de doute sur la compatibilité avec votre véhicule Référence: 8200582334
                                                                                                                                              €15.43Price
                                                                                                                                              Centreur boite de vitesse et pompe à huileCentreur boite de vitesse et pompe à huile
                                                                                                                                                  Centreur boite de vitesse et pompe à huile Nous contacter en cas de doute sur la compatibilité avec votre véhicule Référence: 8200582334
                                                                                                                                                  €15.43Price
                                                                                                                                                  Capteur température d'eau pour boitier d'eau plastique
                                                                                                                                                      Capteur température d'eau pour boitier d'eau plastique
                                                                                                                                                      €40.15Price
                                                                                                                                                      Capteur température d'eau pour boitier d'eau plastique
                                                                                                                                                          Capteur température d'eau pour boitier d'eau plastique
                                                                                                                                                          €40.15Price
                                                                                                                                                          En Stock
                                                                                                                                                          €19.99 Price
                                                                                                                                                          En Stock
                                                                                                                                                          €19.99 Price
                                                                                                                                                          Huile Motul Eighties 10w40 (bidon de 2L)
                                                                                                                                                              Huile Motul Eighties 10w40 (bidon de 2L) Huile moteur semi-synthétique multigrade spécialement conçue pour les véhicules classiques, Modern Classic et Youngtimer des années 1970, 1980 et 1990 équipés de moteurs 4 Temps, Essence ou Diesel, atmosphériques, compressés ou turbocompressés, à injection ou carburateur, de ces décennies.
                                                                                                                                                              €19.99Price
                                                                                                                                                              Huile Motul Eighties 10w40 (bidon de 2L)
                                                                                                                                                                  Huile Motul Eighties 10w40 (bidon de 2L) Huile moteur semi-synthétique multigrade spécialement conçue pour les véhicules classiques, Modern Classic et Youngtimer des années 1970, 1980 et 1990 équipés de moteurs 4 Temps, Essence ou Diesel, atmosphériques, compressés ou turbocompressés, à injection ou carburateur, de ces décennies.
                                                                                                                                                                  €19.99Price
                                                                                                                                                                  Patte fixation support durites d'eau Megane 3 RS et N4
                                                                                                                                                                      Patte fixation support durites d'eau Megane 3 RS et N4
                                                                                                                                                                      €6.37Price
                                                                                                                                                                      Patte fixation support durites d'eau Megane 3 RS et N4
                                                                                                                                                                          Patte fixation support durites d'eau Megane 3 RS et N4
                                                                                                                                                                          €6.37Price
                                                                                                                                                                          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
                                                                                                                                                                                  Joint décanteur huile
                                                                                                                                                                                      Ensure a perfect seal for your engine's ventilation system with this genuine Renault oil decanter gasket . Essential for your Renault Clio 2 RS (excluding Phase 1), Clio 3 RS, Megane 2 RS, or Megane 3 RS , it prevents oil leaks, excessive consumption, and circuit clogging. Don't let a faulty gasket compromise the cleanliness and performance of your sports engine.
                                                                                                                                                                                      €39.17Price
                                                                                                                                                                                      Joint décanteur huile
                                                                                                                                                                                          Ensure a perfect seal for your engine's ventilation system with this genuine Renault oil decanter gasket . Essential for your Renault Clio 2 RS (excluding Phase 1), Clio 3 RS, Megane 2 RS, or Megane 3 RS , it prevents oil leaks, excessive consumption, and circuit clogging. Don't let a faulty gasket compromise the cleanliness and performance of your sports engine.
                                                                                                                                                                                          €39.17Price
                                                                                                                                                                                          En Stock
                                                                                                                                                                                          €14.10 Price
                                                                                                                                                                                          En Stock
                                                                                                                                                                                          €14.10 Price
                                                                                                                                                                                          Patte supérieure gauche fixation radiateur Twingo RS
                                                                                                                                                                                              Patte supérieure gauche fixation radiateur Twingo RS
                                                                                                                                                                                              €14.10Price
                                                                                                                                                                                              Patte supérieure gauche fixation radiateur Twingo RS
                                                                                                                                                                                                  Patte supérieure gauche fixation radiateur Twingo RS
                                                                                                                                                                                                  €14.10Price
                                                                                                                                                                                                  Tuyau eau entrée pompe Megane 3 RS et N4
                                                                                                                                                                                                      Genuine Renault Water Pump Inlet Hose for Renault Clio 3 RS, Megane 2 RS, and Megane 3 RS. Essential part for optimal engine cooling. Renault quality and reliability.
                                                                                                                                                                                                      €81.02Price
                                                                                                                                                                                                      Tuyau eau entrée pompe Megane 3 RS et N4
                                                                                                                                                                                                          Genuine Renault Water Pump Inlet Hose for Renault Clio 3 RS, Megane 2 RS, and Megane 3 RS. Essential part for optimal engine cooling. Renault quality and reliability.
                                                                                                                                                                                                          €81.02Price
                                                                                                                                                                                                          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
                                                                                                                                                                                                                  Tuyau entrée radiateur chauffage Megane 3 RS et N4
                                                                                                                                                                                                                      Don't risk a costly breakdown! This cooling hose for heater radiator inlet , an original Renault part , is specifically designed for your Renault Megane 3 RS . It replaces the hose located at the engine...
                                                                                                                                                                                                                      €56.16Price
                                                                                                                                                                                                                      Tuyau entrée radiateur chauffage Megane 3 RS et N4
                                                                                                                                                                                                                          Don't risk a costly breakdown! This cooling hose for heater radiator inlet , an original Renault part , is specifically designed for your Renault Megane 3 RS . It replaces the hose located at the engine...
                                                                                                                                                                                                                          €56.16Price