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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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Restore perfect engine idle speed stability to your Renault Clio 2 RS Phase 1 with this genuine Renault idle actuator . An essential part often responsible for unstable idling , stalling, or difficult starting, it guarantees optimal performance for your F4R engine. Don't compromise the reliability of your sports car for a simple faulty sensor.
€121.85Price
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The mechanical throttle body gasket is a quality part essential for optimizing the operation of your Renault Clio 2 RS Phase 1, Clio Gr N , or Clio 2 X65 Cup . Ensure perfect sealing and maintain your engine's performance with this reliable replacement gasket.
€7.93Price
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ACL RACE Grooved Connecting Rod Bearing Kit - Clio 2 RS / Gr N / X65 Cup
Optimize the performance of your Renault Clio 2 RS engine with this ACL RACE grooved connecting rod bearing kit. Designed for modified or grooved connecting rods, they offer increased resistance and better lubrication. Essential for high-performance engines.
€50.68Price
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Don't let a restrictive intake system stifle your S58 engine's performance. The Green Filter replacement kit (reference P965047/2 ) is specifically engineered for the BMW M3 G80 and M4 G82 . By replacing your disposable paper filters, you eliminate intake pressure drop and allow your turbos to breathe...
€127.19Price
En Stock
€68.76
€85.96
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-20% off
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En Stock
€68.76
€85.96
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-20% off
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Ensure the proper function of your Renault Megane 4 RS or Megane 4 GT with this genuine Renault accessory belt . An essential part for power transmission, its failure can lead to serious breakdowns. Don't risk immobilizing your sports car and choose reliability that meets manufacturer standards.
€68.76€85.96Regular price-20% offPrice
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Kit complet de Distribution pour Megane 3 RS comprenant
- Le kit distribution et les galets Renault
- Le kit courroie d'accessoire et le Galet Renault
- La pompe à eau et le joint Renault
- Le joint Spy de Vilebrequin
- Les joints spy d'arbres à cames
- Les bouchons obturateurs d'arbres à cames
N'hésitez pas à consulter nos produits...
€648.73€682.87Regular price-5% offPrice
En Stock
€255.13
€425.22
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-40% off
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En Stock
€255.13
€425.22
Regular price
-40% off
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Kit Distribution Renault Megane 3 RS incluant la pompe à eau
Véritable produit d'origine
€255.13€425.22Regular price-40% offPrice
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Kit Distribution complet Renault Megane 2 RS comprenant:
- Le kit distribution et les galets Renault
- Le kit courroie d'accessoire et le Galet Renault
- La pompe à eau et le joint Renault
- Le joint Spy de Vilebrequin
- Les joints spy d'arbres à cames
- Les bouchons obturateurs d'arbres à cames
Possibilité de fournir également le...
€517.03Price
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Kit complet de Distribution pour Clio 3 RS comprenant
- Le kit distribution et les galets Renault
- Le kit courroie d'accessoire et le Galet Renault
- La pompe à eau et le joint Renault
- Le joint Spy de Vilebrequin
- Les joints spy d'arbres à cames
- Les bouchons obturateurs d'arbres à cames
N'hésitez pas à consulter nos produits...
€547.55Price
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Stop letting parasitic engine movement limit your Clio 4 RS efficiency. The Powerflex Black Series engine mount bush insert (reference PFF60-1420BLK ) is the ultimate solution to lock down your powertrain during extreme track use. By keeping a soft or worn OEM rubber mount, you suffer from engine pitch that...
€26.88Price
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Canalisation alimentation carburant Megane 3 RS
€233.51Price
Ensure critical sealing in your lubrication circuit with this genuine Renault turbo oil return pipe (lower part) . Specifically designed for the F4Rt engines in the Renault Megane 2 RS and Megane 3 RS , this connector guarantees a smooth oil flow back to the sump. A certified manufacturer part ...
€106.16Price
Equerre égale compact à queue Megane N4
7711167210
€6.04Price
Bidon de 2L de ELF 700 ST 10W40 Huile Préconisé par Renault l'entretien de la gamme RS comprenant Clio 16S et Williams, Twingo RS, Clio RS, Megane RS..
€12.00Price
Kit Goujons de Vilebrequin renforcés ARP pour clio 2 RS / Megane 3 RS / Clio 3 RS
€197.06Price
Kit de fils d'allumage MAGNECOR - Renault Clio 16S/Williams
€150.38Price
Durites De reniflard Renforcées pour toutes Megane 2 RS. Produit de la marque Samco Sport Le kit est composé de 4 pièces.
€82.00Price
Admission de marque ITG Spécifique à la Megane 2 RS
Cette admission permet de placer le filtre à air près de l'antibrouillard avant gauche et ainsi diminuer la temperature d'admission.
€401.33Price
Support Moteur sous boite pour toutes clio 2 RS. Support qui fait la liaison entre le berceau et la boite. Nous ne fournissons que ce qui est en photo Véritable produit d'origine
€47.10Price
Support de boite renforcé Vibra Technics pour Clio 3 RS, Convient aux phase 1 et 2 Replace avantageusement les éléments d'origines:
€183.23Price