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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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Active filters
Radiateur eau sans clim Twingo RS et R1 Référence: 7711162739
€223.27Price
Support pédale accélérateur Twingo R2
Référence: 7711162673
€36.89Price
Durite Forge Silicone. Se monte en lieu et place Plusieurs Coloris Disponibles
€140.75Price
Kit de fils d'allumage MAGNECOR - Renault Clio 16S/Williams
€150.38Price
Renault Clio 2 Group N Fuel Pump Connector , a component intended for the fuel supply system of vehicles configured for Group N applications.
Vehicle brand: Renault
Model: Clio 2
Application: Group N
Part type: Fuel pump connector ...
€50.45Price
Module jauge pompe Megane 3 RS Véritable produit d'origine
€459.88Price
The original Renault accelerator cable clip is an essential fastening part to ensure precise and reliable accelerator operation on your Renault Clio 2 RS , Clio 2 X65 Cup , or Clio 2 Gr N . Ensure a secure connection and optimal accelerator response with this original quality clip. We ship worldwide.
€2.20Price
Secure your engine build with the DeatschWerks DW65c fuel pump , delivering a high-performance flow rate of 265L/H . Specifically engineered for the Renault Megane 2 RS , this pump offers the major advantage of being 100% E85 compatible (ethanol), making it the perfect choice for flex-fuel conversions. Its compact design allows...
€224.09Price
Do not risk a sudden loss of boost pressure during a hard acceleration pull, a split factory duct caused by extreme engine bay heat, or an efficiency drop at your intercooler cores. The premium Kit Durites (Tubulures) Turbo Forge Motorsport pour Megane 2 RS replaces...
€241.00Price
Official Renault Megane N4 Rally Turbo Flange (Ref: 7711167131) : Original part, guaranteeing performance and reliability for your Renault Megane 3 RS prepared for competition. Don't let an unsuitable flange compromise your turbo's potential. Discover related products, including the O-ring, at the bottom of this page.
€150.77Price
Tuyau essence rampe injection / TE Clio Gr N
7711129509
€58.52Price
Turbo Boost Control Solenoid Valve – Renault Mégane 2 RS
The turbo boost control solenoid valve, reference 8200702990 , is an engine management component designed to regulate the turbocharger...
€56.11Price
Collecteur admission Clio 2 X65 Cup et Gr N
Prévu pour papillon mécanique
€486.55Price
Capteur pression de suralimentation Megane 3 RS
Véritable produit d'origine
€130.37Price
Collier serrage inox (durite) diametre 32-50mm
Vendu à l'unité
€1.36Price
The original Renault fuel gauge/pump module is an essential part to ensure reliable and precise fuel supply on your Renault Megane 2 RS . Please note, there are two different assemblies for this vehicle. Contact us with your vehicle's VIN for accurate guidance.
€396.19Price
Raccord union double égal Ø8 Megane N4
Référence : 7711167252
€6.41Price
Tuyau 200-06 lg:300 connection rampe Tatuus
Réference: 7711155525
€55.68Price
Durite Sortie radiateur de chauffage Twingo RS R1 et R2
Véritable produit d'origine
€38.53Price
Optimize your boost management with the Forge Motorsport Wastegate for Renault Clio 4 RS (reference FMACRTRCT ). This piston-actuated turbo actuator is designed to provide significantly higher pressure stability than the factory unit.
Essential for...
€266.00Price
Joint cuivre de bouchon de rampe Twingo R1 et R2 et Clio R3
Référence: 7903062105
€4.16Price
Capteur pression suralimentation Megane 2 RS
€140.16Price
Collier serrage inox (durite) diametre 50-70mm
Vendu à l'unité
€1.84Price
Tuyau essence vapeur canister Ø8 Megane N4
Référence: 7711167251
€12.78Price
Câblage additionnel commande Dash Megane N4
Référence: 7711167213
€431.94Price
Pompe à eau avec joint Clio 4 RS
Véritable produit d'origine
€282.25Price
Secure your boost pressure consistency and eliminate intake charge drops with the high-performance Forge Motorsport Turbo Hose Kit for the Renault Megane 4 RS . This premium set of uprated silicone boost couplers replaces the restrictive factory rubber lines to optimize...
€294.76Price
Do not risk major engine failure on your sports car. This genuine RENAULT expansion tank is the only certified part capable of maintaining the exact pressure of your cooling circuit. Specially designed for the Renault Clio 2 RS (all phases, including Jean Ragnotti, Clio RS1, RS2, 172, and 182), this coolant reservoir replaces your porous, yellowed, or...
€116.83Price
The genuine RENAULT Spark Plug , sold individually and an original manufacturer part, is essential for maintaining optimal performance in your Renault Megane 4 RS or Alpine A110 . Ensure perfect ignition and efficient combustion by choosing RENAULT quality.
€34.73€53.42Regular price-35% offPrice
Joint Plenum Clio 2 RS. Joint permettant de faire l’étanchéité entre le collecteur d'admission et le plenum Il est conseillé de le changer lors à chaque démontage et donc lors du retaillage de l'ensemble collecteur / plenum
€13.37Price
Joint cuivre de banjo d'alimentation de rampe Twingo R1 et R2
Référence: 7711050937
€3.04Price
Collier serrage inox (durite) diametre 60-80mm
Vendu à l'unité
€2.08Price
Gicleur Piston 1-3 Clio 2 RS1 et RS2
Vendu à l'unité
€14.16Price
Prise de bobine Clio 2
Vendue avec les cosses et les joints d'étanchéité
€35.34Price
Conduit air HP entrée boitier Clio 4 RS
Permet de remplacer le produit qui s'ouvre de temps en temps sous la pression du Turbo
Produit d'origine
€220.69Price