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

En Stock
€56.20 Price
En Stock
€56.20 Price
Green K6.70 Sport Air Filter | Clio 2 X65 CupGreen Sport Air Filter | Renault Clio 2 X65 Cup
      Do not let a clogged or unsuitable air filter restrict the engine's air supply on your Renault Clio 2 X65 Cup . The Green Filter sport air filter is designed for competition applications requiring high airflow and effective filtration. ...
      €56.20Price
      Green K6.70 Sport Air Filter | Clio 2 X65 CupGreen Sport Air Filter | Renault Clio 2 X65 Cup
          Do not let a clogged or unsuitable air filter restrict the engine's air supply on your Renault Clio 2 X65 Cup . The Green Filter sport air filter is designed for competition applications requiring high airflow and effective filtration. ...
          €56.20Price
          Outil de blocage Poulie Arbres à cames F4R Clio RS Megane RSOutil de blocage Poulie Arbres à cames F4R Clio RS Megane RS
              Véritable outil d'origine pour le blocage des poulies d'arbres à cames nécessaire pour le remplacement de la distribution pour les moteurs F4R de Clio 2 RS, Clio 3 RS, Megane 2 RS, Megane 3 RS. Kit Spécifique au F4R Renault Sport
              €139.02Price
              Outil de blocage Poulie Arbres à cames F4R Clio RS Megane RSOutil de blocage Poulie Arbres à cames F4R Clio RS Megane RS
                  Véritable outil d'origine pour le blocage des poulies d'arbres à cames nécessaire pour le remplacement de la distribution pour les moteurs F4R de Clio 2 RS, Clio 3 RS, Megane 2 RS, Megane 3 RS. Kit Spécifique au F4R Renault Sport
                  €139.02Price
                  Pige de Calage Vilebrequin F4R Clio RS Megane RS
                      Prevent catastrophic engine failure during your timing belt replacement with this professional-grade Crankshaft Timing Pin F4R Clio RS Megane RS . Engineered specifically to match the official factory blueprints of Renault Sport power units, this high-tensile steel tool...
                      €41.40Price
                      Pige de Calage Vilebrequin F4R Clio RS Megane RS
                          Prevent catastrophic engine failure during your timing belt replacement with this professional-grade Crankshaft Timing Pin F4R Clio RS Megane RS . Engineered specifically to match the official factory blueprints of Renault Sport power units, this high-tensile steel tool...
                          €41.40Price
                          Renault Sport camshaft alignment tool for F4R, F4Rt, and K4M engines, SKU: 1496.Camshaft Timing Tool | Renault Clio, Megane, Twingo RS
                              Protect your engine block against catastrophic mechanical failure during structural timing belt overhauls with this professional RENAULT Camshaft Timing Tool . Specifically engineered to slot into the rear alignment grooves of Renault Sport twin-cam engines (covering F4R,...
                              €96.37Price
                              Renault Sport camshaft alignment tool for F4R, F4Rt, and K4M engines, SKU: 1496.Camshaft Timing Tool | Renault Clio, Megane, Twingo RS
                                  Protect your engine block against catastrophic mechanical failure during structural timing belt overhauls with this professional RENAULT Camshaft Timing Tool . Specifically engineered to slot into the rear alignment grooves of Renault Sport twin-cam engines (covering F4R,...
                                  €96.37Price
                                  Carénage épaisseur 8 mm (carter protection moteur) Twingo R2
                                      Carénage épaisseur 8 mm (carter protection moteur) Twingo R2 Référence: 7711162663
                                      €608.08Price
                                      Carénage épaisseur 8 mm (carter protection moteur) Twingo R2
                                          Carénage épaisseur 8 mm (carter protection moteur) Twingo R2 Référence: 7711162663
                                          €608.08Price
                                          En Stock
                                          €131.89 Price
                                          En Stock
                                          €131.89 Price
                                          Renfort support moteur sur moteur Twingo R2Renfort support moteur sur moteur Twingo R2
                                              Renfort support moteur sur moteur Twingo R2 Référence: 7711162669
                                              €131.89Price
                                              Renfort support moteur sur moteur Twingo R2Renfort support moteur sur moteur Twingo R2
                                                  Renfort support moteur sur moteur Twingo R2 Référence: 7711162669
                                                  €131.89Price
                                                  Rotule Askuball diam 12 Twingo R2
                                                      ASKUBALL Renault Sport Ball Joint - Optimize Your Anti-Pitch Engine Mount Linkage Genuine Renault Sport part (ref. 7711162646 / S12-326), this ASKUBALL ball joint is essential for the front attachment of the anti-pitch engine mount on your Renault Twingo R2 . Do not overlook the precision and reliability...
                                                      €46.50Price
                                                      Rotule Askuball diam 12 Twingo R2
                                                          ASKUBALL Renault Sport Ball Joint - Optimize Your Anti-Pitch Engine Mount Linkage Genuine Renault Sport part (ref. 7711162646 / S12-326), this ASKUBALL ball joint is essential for the front attachment of the anti-pitch engine mount on your Renault Twingo R2 . Do not overlook the precision and reliability...
                                                          €46.50Price
                                                          En Stock
                                                          €19.72 Price
                                                          En Stock
                                                          €19.72 Price
                                                          Entretoise biellette anti-couple Twingo R2Entretoise biellette anti-couple Twingo R2
                                                              Entretoise biellette anti-couple Twingo R2 Référence: 7711162807
                                                              €19.72Price
                                                              Entretoise biellette anti-couple Twingo R2Entretoise biellette anti-couple Twingo R2
                                                                  Entretoise biellette anti-couple Twingo R2 Référence: 7711162807
                                                                  €19.72Price
                                                                  En Stock
                                                                  €5.64 Price
                                                                  En Stock
                                                                  €5.64 Price
                                                                  Vis CHC M12-75 cl. 12.9 recoupée à 68 Twingo R2
                                                                      Vis CHC M12-75 cl. 12.9 recoupée à 68 Twingo R2 Référence: 7711162834
                                                                      €5.64Price
                                                                      Vis CHC M12-75 cl. 12.9 recoupée à 68 Twingo R2
                                                                          Vis CHC M12-75 cl. 12.9 recoupée à 68 Twingo R2 Référence: 7711162834
                                                                          €5.64Price
                                                                          En Stock
                                                                          €59.00 €69.41 Regular price -15% off Price
                                                                          En Stock
                                                                          €59.00 €69.41 Regular price -15% off Price
                                                                          Fuel Injector Genuine Renault Clio 2 RS / Gr.N / CupFuel Injector Genuine Renault Clio 2 RS / Gr.N / Cup
                                                                              Protect your engine's health with this genuine Renault injector specifically designed for the Clio 2 RS . This authentic part features the ITG M60 marking, guaranteeing optimal fuel atomization for high-performance 2.0 16v engines. Brand new and original Renault ...
                                                                              €59.00€69.41Regular price-15% offPrice
                                                                              Fuel Injector Genuine Renault Clio 2 RS / Gr.N / CupFuel Injector Genuine Renault Clio 2 RS / Gr.N / Cup
                                                                                  Protect your engine's health with this genuine Renault injector specifically designed for the Clio 2 RS . This authentic part features the ITG M60 marking, guaranteeing optimal fuel atomization for high-performance 2.0 16v engines. Brand new and original Renault ...
                                                                                  €59.00€69.41Regular price-15% offPrice
                                                                                  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
                                                                                          Tendeur courroie accessoires Clio 2 RS sans clim et Gr N
                                                                                              Tendeur courroie accessoires Clio 2 RS sans clim et Gr N Référence: 7700104128
                                                                                              €58.79Price
                                                                                              Tendeur courroie accessoires Clio 2 RS sans clim et Gr N
                                                                                                  Tendeur courroie accessoires Clio 2 RS sans clim et Gr N Référence: 7700104128
                                                                                                  €58.79Price
                                                                                                  Joint trama capteur pression huile Ø8.4x13.8 Clio 2 Cup X65
                                                                                                      Joint trama capteur pression huile Ø8.4x13.8 Clio 2 Cup X65 Référence : 7711065381
                                                                                                      €0.23Price
                                                                                                      Joint trama capteur pression huile Ø8.4x13.8 Clio 2 Cup X65
                                                                                                          Joint trama capteur pression huile Ø8.4x13.8 Clio 2 Cup X65 Référence : 7711065381
                                                                                                          €0.23Price
                                                                                                          En Stock
                                                                                                          €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
                                                                                                                  €92.42 Price
                                                                                                                  En Stock
                                                                                                                  €92.42 Price
                                                                                                                  Support batterie clio 2 RS
                                                                                                                      Ensure maximum stability for your powertrain with this genuine RENAULT battery and gearbox support . Specifically engineered for the Clio 2 RS , this bracket serves as the essential battery tray while acting as the primary mounting point for the gearbox silent block . Don't compromise your handling...
                                                                                                                      €92.42Price
                                                                                                                      Support batterie clio 2 RS
                                                                                                                          Ensure maximum stability for your powertrain with this genuine RENAULT battery and gearbox support . Specifically engineered for the Clio 2 RS , this bracket serves as the essential battery tray while acting as the primary mounting point for the gearbox silent block . Don't compromise your handling...
                                                                                                                          €92.42Price
                                                                                                                          Joint spy Vilebrequin côté distribution R21 turboRenault Crankshaft Oil Seal, Timing Side - Formula Renault / Renault 21 2L Turbo
                                                                                                                              Renault Crankshaft Oil Seal, Timing Side - Formula Renault / R21 2L Turbo Ensure your engine's sealing with this original Renault crankshaft oil seal. Designed for Formula Renault and Renault 21 2L Turbo, it prevents oil leaks and guarantees your engine's longevity. Original Renault Part Crankshaft oil seal, timing side ...
                                                                                                                              €20.87Price
                                                                                                                              Joint spy Vilebrequin côté distribution R21 turboRenault Crankshaft Oil Seal, Timing Side - Formula Renault / Renault 21 2L Turbo
                                                                                                                                  Renault Crankshaft Oil Seal, Timing Side - Formula Renault / R21 2L Turbo Ensure your engine's sealing with this original Renault crankshaft oil seal. Designed for Formula Renault and Renault 21 2L Turbo, it prevents oil leaks and guarantees your engine's longevity. Original Renault Part Crankshaft oil seal, timing side ...
                                                                                                                                  €20.87Price
                                                                                                                                  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
                                                                                                                                          Renault Camshaft Dephaser Seal – Clio 2/3 RS & Mégane 3 RSRenault Camshaft Dephaser Seal – Clio 2/3 RS & Mégane 3 RS
                                                                                                                                              An aged or damaged seal around the camshaft timing solenoid can lead to oil leaks and additional engine maintenance. The Renault camshaft dephaser solenoid oil seal (reference 7700106385) is designed to provide sealing at the solenoid mounting point on compatible variable...
                                                                                                                                              €16.84Price
                                                                                                                                              Renault Camshaft Dephaser Seal – Clio 2/3 RS & Mégane 3 RSRenault Camshaft Dephaser Seal – Clio 2/3 RS & Mégane 3 RS
                                                                                                                                                  An aged or damaged seal around the camshaft timing solenoid can lead to oil leaks and additional engine maintenance. The Renault camshaft dephaser solenoid oil seal (reference 7700106385) is designed to provide sealing at the solenoid mounting point on compatible variable...
                                                                                                                                                  €16.84Price
                                                                                                                                                  En Stock
                                                                                                                                                  €251.47 Price
                                                                                                                                                  En Stock
                                                                                                                                                  €251.47 Price
                                                                                                                                                  Kit Joint Refection moteur Origine Megane 3 RSKit Joint Refection moteur Origine Megane 3 RS
                                                                                                                                                      Ensemble de joints nécessaire au bon remontage du moteur de Megane 3 RS Véritable produit d'origine
                                                                                                                                                      €251.47Price
                                                                                                                                                      Kit Joint Refection moteur Origine Megane 3 RSKit Joint Refection moteur Origine Megane 3 RS
                                                                                                                                                          Ensemble de joints nécessaire au bon remontage du moteur de Megane 3 RS Véritable produit d'origine
                                                                                                                                                          €251.47Price