My Cart
€0.00
Joint de Culasse Clio 3 RS y compris Clio R3 et X85 Cup
Véritable produit d'origine
€89.65Price
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 564 products.
Grid
Grid-2
List
List-2
Catelog
Active filters
AAC Echappement loi 278TR2E1 Twingo R2
Référence: 7711167673
€1,326.07Price
Tuyau Flexible sonde pression Twingo R2
Référence: 7711160963
€98.71Price
Vis de bielles ARP pour bielles PEC Wossner
€113.17Price
Vis de fixation galet enrouleur de distribution K4M
8200581340
€5.66Price
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
This new oil pressure sensor , from the Renault Sport competition catalog , is a vital safety part for the rally engines of the Renault Clio R3 and Twingo R2 . It is essential for monitoring lubrication and thereby preventing catastrophic engine failures caused by a lack or drop in oil pressure.
€195.78Price
Tuyau 200-06 lg:300 connection rampe Tatuus
Réference: 7711155525
€55.68Price
Optimize the performance of your Renault Twingo R2 EVO 195hp with this genuine RENAULT SPORT assembled cylinder head (ref. 7711167644). Supplied with valves, retainers, valve springs, rocker arms, and pushrods, this cylinder head is ready to be installed (camshafts not included). Guaranteed performance and reliability.
€8,104.62Price
Tuyau carburant entre réservoir et coupling Goodridge Megane N4
Référence: 7711167089
€173.57Price
Bague étanchéité vis et bouchon arbre à cames admission Twingo RS, R1 et R2
€37.90Price
Câblage additionnel commande Dash Megane N4
Référence: 7711167213
€431.94Price
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
Tuyau carburant entre coupling Goodridge et rampe Megane N4
Référence: 7711167090
€146.16Price
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
Bague étanchéité arbre à cames échappement Twingo RS, R1 et R2
€41.95Price
Prise de bobine Clio 2
Vendue avec les cosses et les joints d'étanchéité
€35.34Price
Mechanical throttle potentiometer, identical to the original, compatible with Renault Clio 2 RS, Clio 2 Rally, Clio 2 Gr N, and Clio 2 X65 Cup. Optimal performance and precision for your vehicle.
€67.50Price
Raccord union double égal Ø8 Megane N4
Référence : 7711167252
€6.41Price
Piston équipé indice B (X=82.70) Clio 3 RS et X85 Cup
Piston d'origine
€133.56Price
Collecteur admission Clio 2 X65 Cup et Gr N
Prévu pour papillon mécanique
€486.55Price
The Renault ignition coil seal (gasket) is an original part designed to ensure perfect sealing and optimal performance of the ignition system on Renault Twingo 2 RS, Renault Clio 3 RS, Renault Clio R3, Renault Clio 3 X85 Cup, Renault Megane 2 RS, Renault Megane 3 RS, and Renault Megane N4 models.
€15.49Price
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
Cablage additionnel Moteur Megane N4
Référence: 7711167185
€359.64Price
Tuyau essence vapeur canister Ø8 Megane N4
Référence: 7711167251
€12.78Price
Jeu de Bougies Renault Clio Williams
Véritable produit d'origine
€24.00€30.00Regular price-20% offPrice
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
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
Butée basse pédale d'accélérateur Twingo R2
Référence: 7711157182
€35.68Price
Joint cuivre de bouchon de rampe Twingo R1 et R2 et Clio R3
Référence: 7903062105
€4.16Price
Convergent boitier filtre assemblé Twingo R2 195cv
€402.96Price
Gicleur Piston 1-3 Clio 2 RS1 et RS2
Vendu à l'unité
€14.16Price
The Renault complete piston (index C) is an original part, supplied with pin and pin clips, designed for your Renault Clio 3 RS and Renault Clio 3 X85 Cup . It ensures optimal engine performance and increased reliability.
€139.14Price
Joint cuivre de banjo d'alimentation de rampe Twingo R1 et R2
Référence: 7711050937
€3.04Price
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
Sur commande ou en cours de réappro
€28.99
Price
Sur commande ou en cours de réappro
€28.99
Price
Do not risk a devastating thermal meltdown or valve breakage in your top end during track days or rally stages. This genuine MPI forged exhaust valve , sold individually and designed for a direct plug-and-play replacement, protects your Renault Clio Williams cylinder head from extreme combustion temperatures. Unlike factory-cast valves that oxidize and weaken...
€28.99Price