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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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Don't let a brittle, heat-damaged, or failing factory connector ruin your track day or race engine management. This mechanical throttle body sensor plug ensures a stable signal transmission without micro-cuts, essential for maintaining sharp engine responsiveness on your Renault Clio 2 RS1 , Clio 2 X65...
€5.30Price
The main timing cover is an essential engine component designed to protect and enclose the timing system while maintaining proper protection of the internal engine components.
This aluminium timing cover is designed for the Renault Mégane 4 RS...
€363.23Price
Original Renault Clio 3 RS Engine Mount (Distribution Side) with Bolt
Original Renault part, supplied with its bolt. Ensure the stability and performance of your Clio 3 RS. Discover complementary products at the bottom of the page for complete optimization.
€205.14Price
Piston EVO 2013 avec clips et axe Twingo R2 Référence: 7711167672
€322.56Price
Secure your Clio 2 RS fuel system with this genuine Renault fuel feed pipe . Specifically designed for 2.0 16V (172hp and 182hp) engines, this line ensures the critical connection after the fuel filter . Don't risk it with universal parts: choose OEM quality (references 8200057327 /...
€48.12Price
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€35.60
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Silent Bloc de marque Powerflex permettant de renforcé celui d'origine. Produit venant en supplement de celui d'origine Powerflex gamme noire developpé pour utilisation piste Seul le silent bloc jaune vous est fourni (noire pour la gamme noire)
€35.60Price
Avoid leaving an electrical fault to immobilise your Renault Mégane 3 RS . This genuine Renault UPC unit (Protection and Switching Unit) , reference 284B69854R , is designed to manage the protection and distribution of several electrical...
€649.37Price
Silent Bloc de marque Powerflex permettant de renforcé celui d'origine. Produit venant en supplement de celui d'origine Powerflex gamme jaune developpé pour la route Seul le silent bloc jaune vous est fourni
€32.29Price
Ressort de soupape Clio 2 RS y compris Gr N et X65 Cup.
Convient pour les soupapes d'admission et d'échappement
€15.01Price
The 7711167587 plain crankshaft bearing is a replacement engine component designed for the Renault Twingo R2 . It is part of the crankshaft bearing system and contributes to correct crankshaft guidance and engine lubrication.
On a Renault Twingo R2 competition engine , crankshaft bearings are exposed to significant mechanical and...
€59.28Price
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€569.18
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€569.18
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Looking to regain the responsiveness and original performance of your Renault Clio 2 RS Phase 1 , Clio 2 Group N , or Clio 2 X65 Cup ? This remanufactured 60mm mechanical throttle body is designed for direct, bolt-on replacement of your original equipment. Essential for optimal air intake and to prevent any power loss, don't let a worn throttle body hinder the...
€569.18Price
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€369.21
€923.02
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€369.21
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Ensure the safety and reliability of your Renault Clio 4 RS with this genuine Renault fuel tank , part number 172032566R . A crucial component for your fuel system's proper functioning, it prevents leaks and guarantees a stable fuel supply, essential for maintaining your sports vehicle's performance. Take no risks, opt for manufacturer...
€369.21€923.02Regular price-60% offPrice
Coussinet de Vilebrequin rainuré 195cv Twingo R2 Référence: 7711167588
€75.68Price
Downstream Oxygen Sensor (Lambda Sensor) Genuine Renault for Mégane 3 RS
Ensure the proper functioning of your emissions control system and optimize the engine management of your Renault Mégane 3 RS with this downstream oxygen sensor (lambda sensor) genuine Renault , located after the catalytic converter . Important:...
€314.72Price
Segment etancheité fonte Twingo R2 Référence: 7711167585
€20.95Price
Silent Bloc Arrière Powerflex Black Series qui vient en lieu et place du silent bloc d'origine sur la biellette anti cabrage pour Megane 2 RS Pièce compatible uniquement avec la biellette en Aluminium (ne convient pas celle de couleur noire)
€59.18Price
Silent Bloc Arrière qui vient en lieu et place du silent bloc d'origine sur la biellette anti cabrage pour Megane 2 RS Pièce compatible uniquement avec la biellette en Aluminium (ne convient pas celle de couleur noire)
€60.00Price
The 112200015R elastic mounting is an original-type Renault component designed for the Renault Mégane 3 RS . It is used on the upper gearbox mounting assembly and contributes to controlling drivetrain movement while maintaining the correct positioning of the gearbox and powertrain.
For owners of a Mégane 3 RS , a worn or damaged...
€107.84Price
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Do not lose driving precision and acoustic comfort : replace your worn-out engine mount with the Genuine Renault part.
This hydro-elastic buffer (timing belt side) is specifically designed for the Renault Clio 2 RS and its 2.0L 16V F4R engine . It...
€105.43Price
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Support moteur anti cabrage renforcé Vibra Technics pour Twingo 2 RS, Replace avantageusement le support anti cabrage d'origine qui se détériore rapidement laissant place à un claquement lors de passage de vitesse ou autres.
€167.06Price
Don't risk a costly failure or damage! Get the genuine Renault Battery Fixing Bracket , the essential part to keep your Renault Clio 2 RS battery perfectly secured, even under the most sporty driving conditions. Avoid vibrations and short circuits. New product, guaranteed...
€15.20Price
Kit 3 supports moteur pour Clio 2 RS2/RS3 type Clio 2 Cup, le kit comprend le support moteur supérieur, celui de la boîte de vitesse et celui au niveau de la barre stabilisatrice appelé OS ou Anti Cabrage. Supports moteur rigides limitant les mouvements du moteur destiné à une utilisation non routière Produit parfaitement compatible avec la boite d'origine
€761.27Price
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Silent Bloc Powerflex de support moteur coté Distribution pour Clio 3 RS et Megane 2 RS
Produit à inserer en lieu et place sur silent bloc d'origine
€29.40Price
Silent Bloc Powerflex Black Series Anti Cabrage Inferieur pour Clio 3 RS Produit à inserieur en lieu et place du silent bloc d'origine ATTENTION NE CONVIENT PAS A LA NOUVELLE VERSION DE SUPPORT D'ORIGINE, EN CAS DE DOUTE NOUS CONSULTER Compatible uniquement avec le support en photo
€34.00Price
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Support Boite renforcé Vibra Technics pour Super 5 GT TURBO
€151.20Price
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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
Support Boite renforcé Vibra Technics pour Super 5 GT TURBO version Competition
€144.00Price
Negative Battery Terminal Original Renault - Preserve the performance and safety of your Renault Sport. Compatible with Twingo 2 RS, Clio 3 RS, Megane 2 RS and Megane 3 RS. Discover also our other original Renault parts to optimize your vehicle.
€13.66Price
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Support Moteur droit (coté alternateur) renforcé Vibra Technics version Compétition pour Super 5 GT TURBO
€96.00Price
Support Moteur droit (coté alternateur) renforcé Vibra Technics pour Super 5 GT TURBO
€87.29Price