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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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Wagner Tuning Intercooler for Renault Mégane 3 RS: Boost your sports car's performance with this high-performance intercooler. Designed to efficiently cool the turbocharged air, it enhances your engine's power, torque, and reliability, while also giving your vehicle a sportier look.
€790.00Price
Prevent boost pressure leaks and protect your intake system with the premium Forge Motorsport Silicon Turbo Hose Kit FMKTRC for Clio 4 RS . Manufactured from high-tensile, multi-layer reinforced silicone, this kit directly replaces factory rubber lines that are prone to...
€230.39Price
Durite Forge Silicone. Se monte en lieu et place Plusieurs Coloris Disponibles
€140.75Price
Do not risk a sudden loss of boost pressure during a hard acceleration pull, a split factory duct caused by extreme engine bay heat, or an efficiency drop at your intercooler cores. The premium Kit Durites (Tubulures) Turbo Forge Motorsport pour Megane 2 RS replaces...
€241.00Price
Échangeur Airtec spécifique à la Mégane 3 RS.
Échangeur de 60 mm se montant en lieu et place sans modifications et équipé d'une tôle permettant de diriger un plus gros flux d'air vers l’échangeur.
Disponible en gris
€720.00Price
Equerre égale compact à queue Megane N4
7711167210
€6.04Price
La dernière génération 1.6 turbo Renault Clio dispose d'un echangeur monté verticalement. L'endroit n' est pas ideal et trop petit pour la voiture standard. La solution pour les voitures Renault Clio Cup était de rénover l'ensemble du réseau avec un refroidissement par pulvérisation d'eau, mais ce fut insuffisant sur la piste après quelques tours. Notre solution était un échangeur monté...
€925.00Price
Turbo Boost Control Solenoid Valve – Renault Mégane 2 RS
The turbo boost control solenoid valve, reference 8200702990 , is an engine management component designed to regulate the turbocharger...
€56.11Price
Kit Dump Valve Forge. Circuit ouvert. Ce mode de fonctionnement est reconnaissable au PSSCHHIIIITTT qui se laisse entendre lors du changement de rapport Le kit Comprend, la Dump Valve, 2 colliers, un raccord inox, et un tube coudé et le bouchon nécessaire à boucher le trou lors de la suppression de la dump valve d'origine (pas present dans tous les kits que l'on trouve sur le net). Idéal sur...
€261.86Price
Official Renault Megane N4 Rally Turbo Flange (Ref: 7711167131) : Original part, guaranteeing performance and reliability for your Renault Megane 3 RS prepared for competition. Don't let an unsuitable flange compromise your turbo's potential. Discover related products, including the O-ring, at the bottom of this page.
€150.77Price
Joint torique bride de turbo Megane N4 et R3T
7711167168
€5.78Price
Support AR fix. reservoir RAS Megane N4 Référence: 7711167276
€80.02Price
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Protect your turbocharging system against pressure drops with the high-performance Cold Side Kit for the Renault Clio 4 RS (Uprated Air Guide Pipe) . This reinforced intake hose replaces the fragile factory plastic pipe that is prone to cracking, optimizing cold airflow...
€169.00€209.02Regular price-€40.02 offPrice
Plaque obturatrice de Dump Valve d'origine pour Megane RS
€43.96Price
Durite Silicone liaison conduit air turbo Megane 2 RS Durite visible sur le dessus du moteur
€14.22Price
Support AV fix. reservoir RAS Megane N4
Référence: 7711167275
€69.36Price
Secure the sensors of your Megane 2 RS with the FORGE MOTORSPORT FMRCLMP kit. Composed of 2 reinforcements, it ensures optimal support for the depression hose and pressure sensor. Avoid performance losses and reliability issues.
€36.80Price
Kit comprenant plusieurs ressorts pour ajuster vos Dump Valve Ne convient pas pour les références de dump suivantes : FMDVFSIT, FMDVFSITVR et FMDVK04D Kit permettant l'optimisation de votre Dump afin de l'ajuster à vos autres modifications (préparation). Il est composé de 4 ressorts de remplacement. Couleurs des ressorts et pressions correspondantes: Vert 0,3 à 1,03 Bar Jaune 1.03 à 1,53 Bar...
€36.01Price
Kit revision pour Dump Valve Forge comprenant: - 1 sachet de graisse - un piston - joints toriques
€23.50Price
Prevent boost pressure leaks and excessive throttle response lag on your turbocharged engine block. This premium Forge Dump Valve Preload Spring features an uprated mechanical rating designed specifically to maintain the internal piston seal of your bypass valve under high...
€10.93Price
Maximize your engine's responsiveness with the Forge Motorsport Recirculation Dump Valve for Renault Megane 2 RS and Megane 3 RS (reference FMDVRMR ). Unlike atmospheric blow-off valves, this recirculation version diverts air back into the intake system to...
€220.46Price
T de marque Forge pour le raccord de Dump Valve (Diametre de liaison 25mm)
€65.11Price
Dotée d'un tarage plus ferme que le modèle d'origine, elle permet une mise en action plus rapide du turbo, et une pression de sural plus stable.
€244.00Price
Durite d'induction (admission) Forge Motorsport Megane 4 RS
Produit de qualité permettant de limiter les perturbations.
€118.31Price
Ensure absolute air tightness within your forced induction system with the Genuine Renault Turbo Outlet Air Duct Gasket . Specifically calibrated to withstand the high pressures of turbocharged engines, this official O-ring eliminates boost leaks between the turbocharger and...
€15.34Price
Collier serrage inox (durite) diametre 50-70mm
Vendu à l'unité
€1.84Price
Capteur pression de suralimentation Megane 3 RS
Véritable produit d'origine
€130.37Price
Collier serrage inox (durite) diametre 60-80mm
Vendu à l'unité
€2.08Price
Capteur pression suralimentation Megane 2 RS
€140.16Price
Collier serrage inox (durite) diametre 8-12mm
Vendu à l'unité
€1.00Price
Durite coudée suralimentation (arrivée turbo) Megane 3 RS
€45.90Price
Lot de 2 bouchons silicone pour suppression résonateur Clio 4 RS
Uniquement compatible avec la cold side AIRTEC
Si vous disposez encore de la durite d'origine, consultez nos autres bouchons
€58.32Price
Collier serrage inox (durite) diametre 12-20mm
Vendu à l'unité
€1.00Price
Dump Valve ouverte Forge Megane 4 RS
Permet de faire le bruit de decharge du turbo fortement apprécié.
€299.00Price