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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
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
Collier serrage inox (durite) diametre 25-40mm
Vendu à l'unité
€1.30Price
Conduite d'eau refroidissement Turbo pour Megane 2 RS
€345.64Price
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
Tampon inférieur radiateur Clio 3 RS y compris R3 et X85 Cup
€7.19Price
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
Butée basse pédale d'accélérateur Twingo R2
Référence: 7711157182
€35.68Price
Collier serrage inox (durite) diametre 30-45mm
Vendu à l'unité
€1.37Price
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
Support Pédale Accélérateur Clio 3 X85 Cup
Référence: 7711160177
€92.35Price
Tampon supérieur radiateur Clio 3 RS y compris R3 et X85 Cup
€7.96Price
Cale admission porte injecteur Twingo 2 RS y compris R1 et R2 160cv
Référence: 8200329496
€194.51Price
Silent Bloc Powerflex Anti Cabrage Superieur pour Clio 3 RS Produit à inserieur en lieu et place du silent bloc d'origine
€39.82Price
Collier serrage inox (durite) diametre 32-50mm
Vendu à l'unité
€1.36Price
Cablage additionnel Moteur Megane N4
Référence: 7711167185
€359.64Price
Joint de boitier papillon Megane 3 RS
Véritable produit d'origine
€32.14Price
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
Collier serrage inox (durite) diametre 50-70mm
Vendu à l'unité
€1.84Price
Durite d'eau sortie de radiateur Twingo RS R1 et R2
Véritable produit d'origine
€82.45Price
Tuyau 200-06 lg:300 connection rampe Tatuus
Réference: 7711155525
€55.68Price
Do not risk major engine failure on your sports car. This genuine RENAULT expansion tank is the only certified part capable of maintaining the exact pressure of your cooling circuit. Specially designed for the Renault Clio 2 RS (all phases, including Jean Ragnotti, Clio RS1, RS2, 172, and 182), this coolant reservoir replaces your porous, yellowed, or...
€116.83Price
Joint cuivre de bouchon de rampe Twingo R1 et R2 et Clio R3
Référence: 7903062105
€4.16Price
Collier serrage inox (durite) diametre 60-80mm
Vendu à l'unité
€2.08Price
Tuyau carburant entre réservoir et coupling Goodridge Megane N4
Référence: 7711167089
€173.57Price
Câblage additionnel commande Dash Megane N4
Référence: 7711167213
€431.94Price
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
Kit colliers pour kit durites d'eau Forge Clio 2 RS
€31.01Price
Joint cuivre de banjo d'alimentation de rampe Twingo R1 et R2
Référence: 7711050937
€3.04Price
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 8-12mm
Vendu à l'unité
€1.00Price
Durite Sortie radiateur de chauffage Twingo RS R1 et R2
Véritable produit d'origine
€38.53Price
Bouchon rampe à essence Twingo R1 et R2
Référence: 7711160200
€7.04Price
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
Convergent boitier filtre assemblé Twingo R2 195cv
€402.96Price