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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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Kit revision moteur Twingo R2 195 ch
€9,200.45€13,143.50Regular price-30% offPrice
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Culasse assemblée Megane 3 RS
Culasse neuve comprenant soupapes assemblées
€3,544.38Price
Sur commande ou en cours de réappro
€1,170.83
Price
Sur commande ou en cours de réappro
€1,170.83
Price
Sur commande ou en cours de réappro
€52.18
Price
Sur commande ou en cours de réappro
€52.18
Price
Tuyau vapeur huile décanteur répartiteur Megane 2 RS
€52.18Price
Sur commande ou en cours de réappro
€103.06
Price
Sur commande ou en cours de réappro
€103.06
Price
Tuyau huile Turbo - Carter Cylindre Megane 2 RS
€103.06Price
Coussinet de bielles Clio R3 MAX (prix unitaire)
La photo représente 4 coussinets mais le prix est unitaire
€79.93Price
Sur commande ou en cours de réappro
€253.93
Price
Sur commande ou en cours de réappro
€253.93
Price
Optimize your boost management with the Turbosmart Internal Wastegate Actuator (ref. TS-0646-1072) for Renault Megane 3 RS . Designed to provide unmatched pressure stability, this IWG75 replaces the factory actuator, which is often too soft to handle high loads,...
€253.93Price
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Sur commande ou en cours de réappro
€106.16
Price
Sur commande ou en cours de réappro
€106.16
Price
Don't risk oil film breakdown or premature turbocharger failure. Genuine Renault Sport turbo oil feed fitting for Renault Megane 2 RS and Megane 3 RS delivers consistent oil pressure and a leak-free connection on the F4R Turbo engine.
Essential during...
€106.16Price
Sur commande ou en cours de réappro
€34.98
Price
Sur commande ou en cours de réappro
€34.98
Price
Support bague joint Vilebrequin Twingo 2 RS y compris R1 et R2
€34.98Price
Sur commande ou en cours de réappro
€4.15
Price
Sur commande ou en cours de réappro
€4.15
Price
Optimize the Performance of Your Renault Clio 3 RS
Don't let a faulty upstream oxygen sensor compromise the optimal functioning of your Renault Clio 3 RS . This genuine Renault upstream oxygen sensor , also known as a lambda sensor , is essential for efficient combustion and controlled emissions. Please...
€289.19Price
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Kit fixation turbo Megane 2 RS et Megane 3 RS
En cas de rupture, nous disposons des pièces au détail.
€109.45Price
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Kit Distribution complet Clio 2 RS.
Kit comprenant exclusivement des produit d'origine Renault.
Le kit comprend:
- Les bouchons d'étanchéité Arbres à cames
- Le kit distribution
- Le kit accessoire
- La pompe à eau
- le kit joint spy de vilebrequin
- Le kit joint spy arbres à cames + vis de poulie
N'oubliez pas...
€587.14Price
Sur commande ou en cours de réappro
€14.44
Price
Sur commande ou en cours de réappro
€14.44
Price
Ensure optimal lubrication for your Clio 2 RS 182, Clio 3 RS, or Megane 2 RS F4R engine with this genuine Renault oil sprayer (oil jet) for cylinders 2 and 4. Essential for reliability, this small component sprays oil under the pistons to cool and lubricate them. Don't take any risks with the health of your F4R engine.
€14.44Price
Ensemble de joints nécéssaire au bon remontage du moteur de Megane 2 RS Véritable produit d'origine Comprend le joint de culasse le joint de collecteur d'admission le joint de collecteur d'échappement le kit joint spy et écrou d'arbres à cames le joint de boitier d'eau les joints de queue de soupapes
€180.62Price
Vilebrequin allégé Clio R3 Maxi Evo Référence: 7711162505
€1,349.06Price
The Renault Sport Gr N Camshaft Timing Pin (ref. 7711129736) is an official RENAULT SPORT part designed specifically for the Renault Clio 2 Gr N . Essential for precise camshaft timing, it ensures optimal performance. Optimiz Access is the exclusive distributor of official Renault Sport parts for this vehicle.
€147.42Price
Jeu de 4 Fils de Bougies Magnecor pour Alpine A310 V6 2.7
Remplace avantageusement le faisceau d'allumage d'origine.
Cable haute résistance grâce à une épaisseur de silicone les entourant plus importante.
Idéal pour les véhicules mixant les utilisations route et piste.
3 gammes selon la couleur:
Gamme bleue: 8 mm
Gamme Rouge: 8.5 mm
Photo Non contractuelle, La photo illustre un faisceau pour...
€156.94Price
Sur commande ou en cours de réappro
€144.85
€289.69
Regular price
-50% off
Price
Sur commande ou en cours de réappro
€144.85
€289.69
Regular price
-50% off
Price
Do not risk a severe drop in high-RPM power, a metallic diesel-like rattling noise during cold starts, or a catastrophic timing misalignment. The genuine Camshaft Dephaser Pulley for Renault Twingo RS / R1 (Genuine Factory OEM Component) is the indispensable mechanical...
€144.85€289.69Regular price-50% offPrice
Arbres à Cames Cat Cams pour Clio Williams.
Nous vous proposons une large gamme d'arbre à Cames Cat Cams, avec de nombreuses variantes pour un meme moteur, permettant ainsi d'affiner la préparation suivant l'utilisation de la voiture.
€580.00Price
Sur commande ou en cours de réappro
€160.20
Price
Sur commande ou en cours de réappro
€160.20
Price
