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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
Tuyau essence vapeur canister Ø8 Megane N4
Référence: 7711167251
€12.78Price
Joint de Culasse Clio 3 RS y compris Clio R3 et X85 Cup
Véritable produit d'origine
€89.65Price
Collier serrage inox (durite) diametre 12-20mm
Vendu à l'unité
€1.00Price
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
Linguet rouleau Clio 2 RS et Clio 3 RS y compris R3 et X85 Cup et Twingo RSVéritable produit d'origine
€90.76Price
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
Tuyau entrée d'eau Twingo RS y compris R1 et R2
€43.48Price
Tuyau Flexible sonde pression Twingo R2
Référence: 7711160963
€98.71Price
Butée basse pédale d'accélérateur Twingo R2
Référence: 7711157182
€35.68Price
Tampon inférieur radiateur Clio 3 RS y compris R3 et X85 Cup
€7.19Price
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
Joint de tuyau d'entree d'eau.
Produit compatible pour Clio 2 RS, Twingo RS
€12.40Price
Vis de fixation galet enrouleur de distribution K4M
8200581340
€5.66Price
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
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
Tampon supérieur radiateur Clio 3 RS y compris R3 et X85 Cup
€7.96Price
Collier serrage inox (durite) diametre 20-32mm
Vendu à l'unité
€1.10Price
Gicleur Piston 1-3 Clio 2 RS y compris Gr N et X65 Cup
€33.55Price
Conduite d'eau refroidissement Turbo pour Megane 2 RS
€345.64Price
Bague étanchéité vis et bouchon arbre à cames admission Twingo RS, R1 et R2
€37.90Price
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
Collier serrage inox (durite) diametre 25-40mm
Vendu à l'unité
€1.30Price
Secure your engine block seal and guarantee the total reliability of your cooling circuit with these factory-spec Water Pump Fixing Bolts for the Renault Clio 2 RS, X65 Cup, and Group N . Engineered specifically for the naturally aspirated 2.0L 16V F4R engine, this high-grade...
€2.82Price
Tuyau carburant entre coupling Goodridge et rampe Megane N4
Référence: 7711167090
€146.16Price
Ensure reliable electrical power for your Renault Clio 3 RS , Renault Clio R3 , or Renault Clio 3 X85 Cup with this genuine RENAULT alternator . An essential component for the proper functioning of your sports vehicle. Find associated complementary products at the bottom of the page for optimal...
€546.20Price
Gicleur Piston 2-4 Clio 2 RS y compris Gr N et x65 Cup
€33.55Price
Durite d'eau sortie de radiateur Twingo RS R1 et R2
Véritable produit d'origine
€82.45Price
Bague étanchéité arbre à cames échappement Twingo RS, R1 et R2
€41.95Price
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
Ensure optimal thermal regulation for your Renault Megane 3 RS with this genuine Renault thermostat . With an opening temperature of 83°C , it is the key part to ensure your engine runs at the ideal temperature, preventing both overheating and undercooling. Don't compromise the health of your F4R engine.
€82.24Price
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
Collier serrage inox (durite) diametre 30-45mm
Vendu à l'unité
€1.37Price
Joint de boitier papillon Megane 3 RS
Véritable produit d'origine
€32.14Price
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
Piston équipé indice B (X=82.70) Clio 3 RS et X85 Cup
Piston d'origine
€133.56Price
Cale admission porte injecteur Twingo 2 RS y compris R1 et R2 160cv
Référence: 8200329496
€194.51Price
Jeu de Bougies Renault Clio Williams
Véritable produit d'origine
€24.00€30.00Regular price-20% offPrice
