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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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Ensemble de joints nécéssaire au bon remontage du moteur de Clio 2 RS Véritable produit d'origine La photo ne comporte pas les joints spy d'arbres à cames mais ceux ci sont bien fournis
€224.35Price
- Pack
- Pack
Do not take the risk of seeing the performance of your Renault Clio 2 Group N drop sharply. Without a stable and optimal fuel supply, you lose your advantage on the track.
This modified fuel pump (Reference 7711129520 ) is the official Renault Sport part essential for maintaining...
€269.74Price
Câblage additionnel commande Dash Megane N4
Référence: 7711167213
€431.94Price
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
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
Tampon supérieur radiateur Clio 3 RS y compris R3 et X85 Cup
€7.96Price
Convergent boitier filtre assemblé Twingo R2 195cv
€402.96Price
Conduite d'eau refroidissement Turbo pour Megane 2 RS
€345.64Price
Joint de boitier papillon Megane 3 RS
Véritable produit d'origine
€32.14Price
Prise de bobine Clio 2
Vendue avec les cosses et les joints d'étanchéité
€35.34Price
Bague étanchéité vis et bouchon arbre à cames admission Twingo RS, R1 et R2
€37.90Price
Cale admission porte injecteur Twingo 2 RS y compris R1 et R2 160cv
Référence: 8200329496
€194.51Price
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
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
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
Gicleur Piston 1-3 Clio 2 RS y compris Gr N et X65 Cup
€33.55Price
Tuyau carburant entre coupling Goodridge et rampe Megane N4
Référence: 7711167090
€146.16Price
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
Collier serrage inox (durite) diametre 12-20mm
Vendu à l'unité
€1.00Price
Tuyau entrée d'eau Twingo RS y compris R1 et R2
€43.48Price
Gicleur Piston 2-4 Clio 2 RS y compris Gr N et x65 Cup
€33.55Price
Joint de Culasse Clio 3 RS y compris Clio R3 et X85 Cup
Véritable produit d'origine
€89.65Price
Piston équipé indice B (X=82.70) Clio 3 RS et X85 Cup
Piston d'origine
€133.56Price
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
Collecteur admission Clio 2 X65 Cup et Gr N
Prévu pour papillon mécanique
€486.55Price
Joint de tuyau d'entree d'eau.
Produit compatible pour Clio 2 RS, Twingo RS
€12.40Price
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
Cablage additionnel Moteur Megane N4
Référence: 7711167185
€359.64Price
Tuyau carburant entre réservoir et coupling Goodridge Megane N4
Référence: 7711167089
€173.57Price
Butée basse pédale d'accélérateur Twingo R2
Référence: 7711157182
€35.68Price
Durite Sortie radiateur de chauffage Twingo RS R1 et R2
Véritable produit d'origine
€38.53Price
Collier serrage inox (durite) diametre 20-32mm
Vendu à l'unité
€1.10Price
Joint cuivre de bouchon de rampe Twingo R1 et R2 et Clio R3
Référence: 7903062105
€4.16Price
Support Pédale Accélérateur Clio 3 X85 Cup
Référence: 7711160177
€92.35Price
