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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
Filtre de Remplacement BMC pour Clio 16S/Williams Vient se placer en lieu de place du filtre à air d'origine.
€69.37Price
Support AR fix. reservoir RAS Megane N4 Référence: 7711167276
€80.02Price
Filtre de remplacement Pipercross Pour Renault Clio RS1. Il Remplace avantageusement votre filtre de serie. Les filtres Pipercross sont nettoyables et donc réutilisables.
€57.92Price
T de marque Forge pour le raccord de Dump Valve (Diametre de liaison 25mm)
€65.11Price
Gaine pour Admission ou Ventilation (Freins). Permet d'amener de l'air frais à votre boite a air ou à votre admission dynamique. Peut également servir à refroidir les freins. Vendu au Mètre linéaire. Le prix indiqué est pour 1 mètre. Si vous désirez une plus grande longueur ou d'autres diamètres merci de nous contacter.
€22.64Price
Don't let a restrictive stock paper filter choke your hot hatch's revs. The washable cotton Green Filter sport air filter for Renault Clio 4 RS frees up intake airflow to your 1.6 Turbo EDC engine while delivering flawless filtration protection. ...
€58.60Price
Plaque obturatrice de Dump Valve d'origine pour Megane RS
€43.96Price
Support AV fix. reservoir RAS Megane N4
Référence: 7711167275
€69.36Price
- Pack
- Pack
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
Green Replacement Air Filter – Renault Clio 2 RS Phase 1
The Green replacement air filter is designed for compatible Renault Clio 2 RS Phase 1 applications. It replaces the standard air filter inside the original airbox.
Brand: Green Filter
Vehicle: Renault Clio 2 RS Phase 1 ...
€54.47Price
The Forge Motorsport open dump valve , reference FMDVC200A , is designed for the Renault Clio IV RS 1.6 Turbo 200/220 . This atmospheric blow-off valve replaces the standard setup and releases excess boost pressure externally when the throttle is lifted.
The kit is specifically developed for the Clio 4 RS and includes...
€191.53Price
Ce kit est spécialement conçu pour la Renault Clio 4 RS Trophy (ne convient pas aux clio 4 RS non Trophy) Il comprend le tuyau de silicone conçu sur mesure combiné avec un haut débit filtre de cône non huilée en coton permettant une excellente filtration. Tout le nécessaire est fourni dans le kit, y compris les colliers en acier inoxydable de qualité. Ce kit a été testé et permet un gain...
€199.00Price
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
Gaine pour Admission ou Ventilation (Freins). Permet d'amener de l'air frais à votre boite a air ou à votre admission dynamique. Peut également servir à refroidir les freins. Vendu au Mètre linéaire. Le prix indiqué est pour 1 mètre. Si vous désirez une plus grande longueur ou d'autres diamètres merci de nous contacter.
€21.25Price
Manchon coudé à 45° 205cv Twingo R2 Référence: 8201433842
€76.80Price
En Stock
€7.27
€8.50
Regular price
-€1.23 off
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En Stock
€7.27
€8.50
Regular price
-€1.23 off
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- On sale!
- On sale!
The oil filter is the guardian of your engine's cleanliness. This genuine Renault product is specifically designed for the engines of the Twingo 2 RS, Clio 2 RS, Clio 3 RS, Megane 2 RS, Clio 16S , and Clio Williams . It is essential for a successful oil change , ensuring optimal filtration of impurities and protecting internal components from premature wear.
€7.27€8.50Regular price-€1.23 offPrice
Don't let a clogged, restrictive factory paper filter choke the revs and responsiveness of your 2.0 16V engine. The washable cotton Green Filter replacement air filter for Renault Clio 2 RS Phase 2 and RS Phase 3 frees up intake airflow to your F4R engine...
€52.00Price
Filtre de Remplacement KN pour Clio 4 RS tous modeles
Se monte en lieu et place de votre filtre à air d'origine.
Filtre lavable, il dure donc beaucoup plus longtemps qu'un filtre papier type origine.
Il permet un très léger gain grâce à un meilleur système de filtration que les filtres d'origine.
€86.04Price
Conduit filtre air Twingo R2 160cv Référence: 7711162789
€17.82Price
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
Kit revision pour Dump Valve Forge comprenant: - 1 sachet de graisse - un piston - joints toriques
€23.50Price
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
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
Don't let a restrictive disposable air filter choke the engine sound and throttle response of your V6 engine. The washable cotton Green Filter replacement air filter for Renault Clio 2 V6 Phase 1 230 hp frees up intake airflow to your 3.0 24V engine while...
€68.20Price
Do not let a clogged or unsuitable air filter restrict the engine's air supply on your Renault Clio 2 X65 Cup . The Green Filter sport air filter is designed for competition applications requiring high airflow and effective filtration. ...
€56.20Price
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
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
Forge Motorsport Silicone Intake Hose for Renault Megane 2 RS
Optimize the airflow to your Renault Megane 2 RS engine with this high-quality silicone intake hose from Forge Motorsport (ref: FMRMBHS). Available in several colors. Connects to the throttle body. Discover associated products at the bottom of the page.
€44.99Price
The Mégane 3 RS oil filter provides optimal protection and performance for your engine, ensuring efficient filtration of impurities and long-lasting durability , even in the most demanding conditions.
€8.52€11.03Regular price-€2.51 offPrice
Don't let a restrictive factory paper filter choke your naturally aspirated engine's high revs. The washable cotton Green Filter replacement air filter for Renault Clio 3 RS optimizes air intake flow to your 2.0 16V F4R engine while delivering absolute...
€62.00Price
Filtre de remplacement Pipercross Pour Renault Clio 2 V6 230CH
Il Remplace avantageusement votre filtre de serie.
Les filtres Pipercross sont nettoyables et donc réutilisables.
€52.00Price
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
Equerre égale compact à queue Megane N4
7711167210
€6.04Price
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
Durite coudée suralimentation (arrivée turbo) Megane 3 RS
€45.90Price
Collier serrage inox (durite) diametre 60-80mm
Vendu à l'unité
€2.08Price
Dump Valve ouverte Forge Megane 4 RS
Permet de faire le bruit de decharge du turbo fortement apprécié.
€299.00Price
Optimize your boost management with the Forge Motorsport Wastegate for Renault Clio 4 RS (reference FMACRTRCT ). This piston-actuated turbo actuator is designed to provide significantly higher pressure stability than the factory unit.
Essential for...
€266.00Price
Collier serrage inox (durite) diametre 8-12mm
Vendu à l'unité
€1.00Price
Optimize your F4RT engine's sealing with this genuine RENAULT turbocharger to manifold gasket . Specifically designed for the Renault Megane 2 RS and Megane 3 RS , it is the essential component to maintain nominal boost pressure. Do not risk an exhaust leak that would degrade your performance and the...
€27.47Price
En Stock
€127.86
Price
En Stock
€127.86
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Stop losing your turbo boost! The GFB DV+ Dump Valve (Diverter Valve) is the essential upgrade for the reliability and responsiveness of your Renault Sport 1.6T and 1.8T engine (Clio 4 RS, Megane 4 GT, Megane 4 RS, Alpine A110). Retain the factory electronics...
€127.86Price