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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: Alimentation
  • Categories: Préparation intérieure
  • Categories: Refroidissement
  • Categories: Support moteur
Sur commande ou en cours de réappro
€311.34 Price
Sur commande ou en cours de réappro
€311.34 Price
      Arbre à cames admission retouché Clio R3 Access 7711162394
      €311.34Price
          Arbre à cames admission retouché Clio R3 Access 7711162394
          €311.34Price
          Sur commande ou en cours de réappro
          €64.19 Price
          Sur commande ou en cours de réappro
          €64.19 Price
          Cablage limiteur pour départ Twingo R2
              Cablage limiteur pour départ Twingo R2 Référence : 7711162912
              €64.19Price
              Cablage limiteur pour départ Twingo R2
                  Cablage limiteur pour départ Twingo R2 Référence : 7711162912
                  €64.19Price
                  Sur commande ou en cours de réappro
                  €336.02 Price
                  Sur commande ou en cours de réappro
                  €336.02 Price
                      Arbre à cames échappement Clio 3 RS, X85 cup et R3 Access  
                      €336.02Price
                          Arbre à cames échappement Clio 3 RS, X85 cup et R3 Access  
                          €336.02Price
                          Sur commande ou en cours de réappro
                          €2.74 Price
                          Sur commande ou en cours de réappro
                          €2.74 Price
                          Gaine de protection Ø15mm lg1m Megane N4
                              Gaine de protection Ø15mm lg=1m Megane N4 Référence: 7711167091
                              €2.74Price
                              Gaine de protection Ø15mm lg1m Megane N4
                                  Gaine de protection Ø15mm lg=1m Megane N4 Référence: 7711167091
                                  €2.74Price
                                  Sur commande ou en cours de réappro
                                  €67.50 Price
                                  Sur commande ou en cours de réappro
                                  €67.50 Price
                                  Renault Clio 2 RS Mechanical Throttle Potentiometer (Original Equivalent)Renault Clio 2 RS Mechanical Throttle Potentiometer (Original Equivalent)
                                      Mechanical throttle potentiometer, identical to the original, compatible with Renault Clio 2 RS, Clio 2 Rally, Clio 2 Gr N, and Clio 2 X65 Cup. Optimal performance and precision for your vehicle.
                                      €67.50Price
                                      Renault Clio 2 RS Mechanical Throttle Potentiometer (Original Equivalent)Renault Clio 2 RS Mechanical Throttle Potentiometer (Original Equivalent)
                                          Mechanical throttle potentiometer, identical to the original, compatible with Renault Clio 2 RS, Clio 2 Rally, Clio 2 Gr N, and Clio 2 X65 Cup. Optimal performance and precision for your vehicle.
                                          €67.50Price
                                          Sur commande ou en cours de réappro
                                          €2.44 Price
                                          Sur commande ou en cours de réappro
                                          €2.44 Price
                                          Anneau d’arrêt axe de piston Clio 3 RS
                                              A crucial detail for your engine's integrity, this genuine Renault piston pin circlip is compatible with a wide range of sports models: Clio 2 RS, 3 RS, Megane 2 RS, 3 RS and their competition versions. Sold individually, this tiny but vital safety part must be replaced with every removal to prevent engine failure .
                                              €2.44Price
                                              Anneau d’arrêt axe de piston Clio 3 RS
                                                  A crucial detail for your engine's integrity, this genuine Renault piston pin circlip is compatible with a wide range of sports models: Clio 2 RS, 3 RS, Megane 2 RS, 3 RS and their competition versions. Sold individually, this tiny but vital safety part must be replaced with every removal to prevent engine failure .
                                                  €2.44Price
                                                  Sur commande ou en cours de réappro
                                                  €51.07 Price
                                                  Sur commande ou en cours de réappro
                                                  €51.07 Price
                                                  Capteur Température Eau Noir
                                                      The original Renault black water temperature sensor is an essential part to ensure precise engine temperature control for your Renault Clio 3 RS , Renault Clio 3 X85 Cup , Renault Megane 3 RS , and Renault Megane N4 . It guarantees reliable information to optimize performance and prevent overheating. We ship...
                                                      €51.07Price
                                                      Capteur Température Eau Noir
                                                          The original Renault black water temperature sensor is an essential part to ensure precise engine temperature control for your Renault Clio 3 RS , Renault Clio 3 X85 Cup , Renault Megane 3 RS , and Renault Megane N4 . It guarantees reliable information to optimize performance and prevent overheating. We ship...
                                                          €51.07Price
                                                          Sur commande ou en cours de réappro
                                                          €20.47 Price
                                                          Sur commande ou en cours de réappro
                                                          €20.47 Price
                                                          Ecran thermique demarreur Clio 3 RS, X85Cup et R3Ecran thermique demarreur Clio 3 RS, X85Cup et R3
                                                              Ecran thermique demarreur Clio 3 RS, X85Cup et R3
                                                              €20.47Price
                                                              Ecran thermique demarreur Clio 3 RS, X85Cup et R3Ecran thermique demarreur Clio 3 RS, X85Cup et R3
                                                                  Ecran thermique demarreur Clio 3 RS, X85Cup et R3
                                                                  €20.47Price