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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
Vis de poulie de vilebrequin.
Convient pour Clio 2 RS, Clio 3 RS, Megane 2 RS
€25.14Price
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
Kit joints spy et vis arbres à cames
€77.92€111.31Regular price-30% offPrice
Ensemble de joints nécessaire au bon remontage du moteur de Megane 3 RS
Véritable produit d'origine
€251.47Price
Courroie accessoires Clio Cup X65 Référence: 7711155356
€21.36Price
Preserve the health of your high-output engine block with the premium ELF Evolution 900 SXR 5w40 Motor Oil in a convenient 2-Litre bottle . This factory-grade synthetic technology lubricant is engineered to provide maximum anti-wear protection and optimal lubrication under...
€20.15Price
Pièce empêchant le passage de la courroie d'accessoires dans la distribution Compatible avec Clio 2 RS, Clio 3 RS La mise en place sur Clio 2 nécessite une legere découpe du carter en plastique
Fourni sans les vis, veuillez consulter les produits associés en bas de page
€129.34Price
Joint carter inférieur huile moteur Twingo RS y compris R1 et R2
€95.21Price
Renault Sport and Alpine Engine Drain Plug Seal
The engine drain plug seal , reference 1102601M02 , is a sealing component used at the engine oil drain...
€2.92Price
- Pack
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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
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
Kit Joint Spy Arbres à Cames + Vis de Poulie Kit indispensable pour proceder au changement de la distribution sur Clio 2 RS
€54.58Price
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
The original Renault flywheel side oil seal is an essential part to ensure engine sealing for your Renault Clio 2 RS, Gr N, X65 Cup, Clio 3 RS, R3, X85 Cup, Mégane 2 RS, and Mégane 3 RS . Prevent oil leaks and maintain your vehicle's performance with this authentic replacement part.
€30.64Price
An aged or damaged seal around the camshaft timing solenoid can lead to oil leaks and additional engine maintenance. The Renault camshaft dephaser solenoid oil seal (reference 7700106385) is designed to provide sealing at the solenoid mounting point on compatible variable...
€16.84Price
- Pack
- Pack
Kit Vidange Elf Evolution SXR comprenant 3 bidons de 2 Litres d'huile Elf Evolution SXR 5w40 (préconisation Constructeur), 1 filtre à huile Renault et 1 joint de vidange
€67.23€74.70Regular price-10% offPrice
Optimize your engine's health with Motul Engine Flush (300mL). This high-performance pre-oil change treatment is essential for removing deposits, sludge, and combustion residues before introducing fresh oil.
Specially formulated for performance...
€10.75Price
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
The original Renault crankshaft oil seal, timing side is an essential part to ensure crankshaft sealing in the engines of your Renault Clio 2 RS , Clio 2 GR N , Clio 2 X65 Cup , Clio 3 RS , Clio R3 , Clio 3 X85 Cup , Mégane 2 RS , Mégane 3 RS , and...
€43.02Price
Joint torique bride de turbo Megane N4 et R3T
7711167168
€5.78Price
Huile moteur HTX 3823 0W20 4L Référence: 7711167580
€90.50€120.66Regular price-25% offPrice
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
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
Joint répartiteur admission Twingo RS R1 et R2
€26.36Price
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
Protect your engine block against catastrophic mechanical failure during structural timing belt overhauls with this professional RENAULT Camshaft Timing Tool . Specifically engineered to slot into the rear alignment grooves of Renault Sport twin-cam engines (covering F4R,...
€96.37Price
Motul 300V Competition Engine Oil 10W40 2L - Performance and Protection for Classic and Modern Sports Cars
Don't let the age of your sports car impact its performance. engine oil is specially formulated to offer optimal protection and increased performance, suitable for demanding classic and modern engines. 2-liter can.
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€39.99Price
Renault Type D Coolant – 5 L
The Renault GLACEOL RX Type D coolant in a 5-litre container is an engine cooling fluid designed for compatible Renault vehicles. It helps regulate engine...
€22.74Price
Ensemble de vis de culasse pour Clio 3 RS, Megane 2 RS, Megane 3 RS, Clio 2 RS et Megane 2 RS Véritable produit d'origine
€112.69Price
Coussinets bielle ( X=48 )
Le prix est pour 8
Produit remplacé, vous trouverez le produit de remplacement ci dessous ⬇️
€99.36Price
Prevent catastrophic engine failure during your timing belt replacement with this professional-grade Crankshaft Timing Pin F4R Clio RS Megane RS . Engineered specifically to match the official factory blueprints of Renault Sport power units, this high-tensile steel tool...
€41.40Price
Bidon de 2L de ELF FE 5W30
Huile Préconisé par Renault pour l'entretien de la Megane RS DCI
€19.50Price
