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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
Joint spy AAC echappement
Convient également pour l'AAC d'admission sur Megane 2 RS
€24.61Price
Camshaft Exhaust End Sealing Plug – Renault
The Renault camshaft sealing plug, reference 7700274026 , is an engine component designed to seal an opening in the cylinder head. It helps maintain...
€10.03Price
Collier serrage inox (durite) diametre 25-40mm
Vendu à l'unité
€1.30Price
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
Conduite d'eau refroidissement Turbo pour Megane 2 RS
€345.64Price
Take zero risks on the track or in competition with this genuine Renault Sport emergency kill switch . An essential component of the electrical system for the Renault Megane N4 and Renault Twingo R2 , this emergency cutoff switch immediately cuts off power in the event of an incident to prevent electrical...
€20.30Price
Collecteur admission Clio 2 X65 Cup et Gr N
Prévu pour papillon mécanique
€486.55Price
Bouchon de culasse et notice Twingo R2
Référence: 7711162853
€7.22Price
Collier serrage inox (durite) diametre 30-45mm
Vendu à l'unité
€1.37Price
Banjo alimentation rampe essence Twingo R1 et R2 et Clio R3
Référence: 7711160198
€57.72Price
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
Tuyau 200-06 lg:300 connection rampe Tatuus
Réference: 7711155525
€55.68Price
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
Kit joints spy et ecrous poulies arbre à cames Megane 2 RS
Véritable produit d'origine
€49.33Price
Gicleur Piston 1-3 Clio 2 RS1 et RS2
Vendu à l'unité
€14.16Price
Ensure absolute air tightness within your forced induction system with the Genuine Renault Turbo Outlet Air Duct Gasket . Specifically calibrated to withstand the high pressures of turbocharged engines, this official O-ring eliminates boost leaks between the turbocharger and...
€15.34Price
Joint Spy Vilebrequin Twingo RS y compris R1 et R2
Référence: 770086072
€27.31Price
Joint de boitier papillon Megane 3 RS
Véritable produit d'origine
€32.14Price
Collier serrage inox (durite) diametre 32-50mm
Vendu à l'unité
€1.36Price
Vis Banjo alimentation rampe Twingo R1 et R2
Référence: 7711129199
€25.69Price
Galet tendeur accessoire Megane 3 RS
Véritable produit d'origine
€110.08Price
Optimize your F4RT engine's sealing with this genuine RENAULT turbocharger to manifold gasket . Specifically designed for the Renault Megane 2 RS and Megane 3 RS , it is the essential component to maintain nominal boost pressure. Do not risk an exhaust leak that would degrade your performance and the...
€27.47Price
Câblage additionnel commande Dash Megane N4
Référence: 7711167213
€431.94Price
Adaptateur rallonge sonde pression d'huile Twingo R2
Référence: 7711157208
€45.46Price
Capteur pression de suralimentation Megane 3 RS
Véritable produit d'origine
€130.37Price
Collier serrage inox (durite) diametre 50-70mm
Vendu à l'unité
€1.84Price
En Stock
€127.86
Price
En Stock
€127.86
Price
Stop losing your turbo boost! The GFB DV+ Dump Valve (Diverter Valve) is the essential upgrade for the reliability and responsiveness of your Renault Sport 1.6T and 1.8T engine (Clio 4 RS, Megane 4 GT, Megane 4 RS, Alpine A110). Retain the factory electronics...
€127.86Price
Bouchon de vidange carter d'huile moteur
Produit compatible pour Clio 2 RS, Clio 3 RS, Megane 2 RS et Megane 3 RS
€4.37Price
Capteur pression suralimentation Megane 2 RS
€140.16Price
Dump Valve ouverte Forge Megane 4 RS
Permet de faire le bruit de decharge du turbo fortement apprécié.
€299.00Price
Genuine Renault Bulkhead Insulator for Clio 2 RS and Clio 2 Gr N. Reduce noise and protect your engine compartment with this high-quality insulator.
Don't forget the necessary clips and fasteners for optimal installation (available at the bottom of the page).
€202.12Price
Collier serrage inox (durite) diametre 60-80mm
Vendu à l'unité
€2.08Price
Durite d'induction (admission) Forge Motorsport Megane 4 RS
Produit de qualité permettant de limiter les perturbations.
€118.31Price
The original Renault fuel gauge/pump module is an essential part to ensure a reliable and precise fuel supply on your Renault Clio 3 RS , Renault Clio R3 , and Renault Clio 3 X85 Cup . It guarantees accurate fuel level measurement and constant pressure, indispensable for optimal performance. We ship worldwide.
€265.70Price
Silent Bloc Powerflex Anti Cabrage Superieur pour Clio 3 RS Produit à inserieur en lieu et place du silent bloc d'origine
€39.82Price
Kit accessoire Clio 4 RS
Véritable produit d'origine
€132.37€161.42Regular price-18% offPrice
Optimize the management of your anti-lag system with the Genuine Renault Sport Steering Wheel ALS Wiring Harness (Part Number 7711167187) . Specifically engineered for the rally-spec Megane N4 , this motorsport-grade electrical loom ensures a shielded,...
€211.24Price
Joint de sonde de temperature d'eau Clio 2 RS y compris Gr N et X65 Cup
€2.47Price
The Renault Oil Separator Seal is an original part designed to ensure the oil separator's sealing. Compatible with the Renault Clio 2 RS , Clio 2 Gr N , Clio 2 X65 Cup , and their rally/circuit versions, it is essential for proper engine function. Important: Verify your oil separator's shape, as two mounting...
€35.80Price
Joint de cloison de chauffage Clio 2 RS
Référence: 8200085034
€54.11Price
Collier serrage inox (durite) diametre 8-12mm
Vendu à l'unité
€1.00Price