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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
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
Câblage additionnel commande Dash Megane N4
Référence: 7711167213
€431.94Price
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
Prise de bobine Clio 2
Vendue avec les cosses et les joints d'étanchéité
€35.34Price
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
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
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
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 température d'air Twingo RS, R1 et R2
Référence: 7711162828
€40.84Price
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
Butée basse pédale d'accélérateur Twingo R2
Référence: 7711157182
€35.68Price
Bouchon rampe à essence Twingo R1 et R2
Référence: 7711160200
€7.04Price
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
Capteur pression de suralimentation Megane 3 RS
Véritable produit d'origine
€130.37Price
Don't let a seized cable compromise your responsiveness on the track. This official Renault Sport throttle cable is specifically designed for the Renault Clio 3 X85 Cup .
Genuine manufacturer part (Reference 7711160160).
High-resistance design for intensive competition ...
€52.69Price
Banjo alimentation rampe essence Twingo R1 et R2 et Clio R3
Référence: 7711160198
€57.72Price
Raccord union double égal Ø8 Megane N4
Référence : 7711167252
€6.41Price
Prevent boost pressure leaks and safeguard your turbocharger's mechanical integrity with the Forge Dump Valve Megane 4 GT 205 . Engineered to replace the fragile factory rubber diaphragm valve, this premium billet aluminum piston-driven version guarantees a perfect air-tight...
€98.33Price
Capteur pression suralimentation Megane 2 RS
€140.16Price
Vis Banjo alimentation rampe Twingo R1 et R2
Référence: 7711129199
€25.69Price
Tuyau essence vapeur canister Ø8 Megane N4
Référence: 7711167251
€12.78Price
Collier serrage inox (durite) diametre 12-20mm
Vendu à l'unité
€1.00Price
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
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
Sur commande ou en cours de réappro
€407.03
Price
Sur commande ou en cours de réappro
€407.03
Price
Ensure an instantaneous start for your Renault Clio 4 RS (all phases) with this brand-new genuine Renault starter motor . Unlike remanufactured units, this 100% new product guarantees maximum reliability and increased longevity for your 1.6 Turbo engine. Don't risk an immobilizing breakdown—choose manufacturer...
€407.03Price
Sur commande ou en cours de réappro
€77.12
Price
Sur commande ou en cours de réappro
€77.12
Price
Do not let a minor electrical failure lead to a major breakdown. This genuine Renault power distribution box is a critical component of your Renault Megane 3 RS starting circuit. Integrating essential high-power fuses , specifically for the starter motor and alternator protection, it ensures secure energy management from your...
€77.12Price
Jauge pompe Clio 2 RS 1
Modele spécifique ayant le régulateur sur la pompe
€188.74Price