My Cart
€0.00
Pensez à sélectionner votre vehicule pour limiter les resultats de recherche
Our Services
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.
Subcategory
View Left Column
There are 399 products.
Grid
Grid-2
List
List-2
Catelog
Active filters
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
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
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
Do not risk a fuel system failure mid-session. The Goodridge Tee to fuel rail hose is crucial for the reliability of your Clio 3 x85 Cup . Keeping a worn or inadequate hose directly exposes your engine to critical fuel starvation or severe leak risks. Permanently secure your injection system with this high-precision...
€69.56Price
Tuyau 200-06 lg:300 connection rampe Tatuus
Réference: 7711155525
€55.68Price
Don't let a heavy and power-consuming air conditioning compressor hold back the performance of your Renault Twingo 2 RS . This genuine Renault accessory bracket is the official solution for a reliable AC delete . Specifically designed for the K4M RS engine , it allows for significant weight reduction and improved engine...
€217.02Price
Cablage additionnel Moteur Megane N4
Référence: 7711167185
€359.64Price
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
Collier serrage inox (durite) diametre 30-45mm
Vendu à l'unité
€1.37Price
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
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
Câblage additionnel commande Dash Megane N4
Référence: 7711167213
€431.94Price
Joint de boitier papillon Megane 3 RS
Véritable produit d'origine
€32.14Price
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
Collier serrage inox (durite) diametre 32-50mm
Vendu à l'unité
€1.36Price
Prise de bobine Clio 2
Vendue avec les cosses et les joints d'étanchéité
€35.34Price
Collecteur admission Clio 2 X65 Cup et Gr N
Prévu pour papillon mécanique
€486.55Price
Lot de 2 bouchons silicone pour suppression résonateur Clio 4 RS
Uniquement compatible avec la cold side AIRTEC
Si vous disposez encore de la durite d'origine, consultez nos autres bouchons
€58.32Price
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
Collier serrage inox (durite) diametre 50-70mm
Vendu à l'unité
€1.84Price
Durite d'induction (admission) Forge Motorsport Megane 4 RS
Produit de qualité permettant de limiter les perturbations.
€118.31Price
Durite coudée suralimentation (arrivée turbo) Megane 3 RS
€45.90Price
Conduite d'eau refroidissement Turbo pour Megane 2 RS
€345.64Price
Joint cuivre de bouchon de rampe Twingo R1 et R2 et Clio R3
Référence: 7903062105
€4.16Price
Dump Valve ouverte Forge Megane 4 RS
Permet de faire le bruit de decharge du turbo fortement apprécié.
€299.00Price
Cale admission porte injecteur Twingo 2 RS y compris R1 et R2 160cv
Référence: 8200329496
€194.51Price
Collier serrage inox (durite) diametre 60-80mm
Vendu à l'unité
€2.08Price
Butée basse pédale d'accélérateur Twingo R2
Référence: 7711157182
€35.68Price
Joint cuivre de banjo d'alimentation de rampe Twingo R1 et R2
Référence: 7711050937
€3.04Price
Tuyau carburant entre réservoir et coupling Goodridge Megane N4
Référence: 7711167089
€173.57Price
Gicleur Piston 1-3 Clio 2 RS1 et RS2
Vendu à l'unité
€14.16Price
Collier serrage inox (durite) diametre 8-12mm
Vendu à l'unité
€1.00Price
Capteur pédale accélérateur Clio 3 RS
Attention 2 types de connecteurs existent, merci de controler la compatibilité avec votre véhicule
Véritable produit d'origine
€119.28Price
Support Pédale Accélérateur Clio 3 X85 Cup
Référence: 7711160177
€92.35Price
Bouchon rampe à essence Twingo R1 et R2
Référence: 7711160200
€7.04Price
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
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
Convergent boitier filtre assemblé Twingo R2 195cv
€402.96Price