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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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Motul 300V Competition Engine Oil 5W50 2L - Porsche A40 Specification for Ultimate Performance
Don't let the demands of your Porsche engine limit your performance. engine oil, **Porsche A40 approved**, offers exceptional protection and performance in competition and on the road. High-performance formula for demanding engines. 2-liter can.
<p...
€39.99Price
Biellette de reprise de couple version2 Twingo RS et Twingo R1
Référence 7711167343
€84.32Price
Rondelle pour goujon support BV Twingo RS et R1
Référence: 7711167569
€20.58Price
Support 4 Points Moteur (sous boite) 73 shores Clio Gr N
Référence; 7711129452
€402.13Price
- New
- New
High-pressure petrol fuel injector designed for vehicles equipped with the 1.8 TCe engine , including the Renault Megane 4 RS and Alpine A110 . It plays an essential role in the precise delivery of fuel to the engine.
Suitable for replacing a worn or faulty fuel injector and helping maintain the...
€159.04Price
Eliminate unwanted powertrain movement with the Powerflex Black Series PFF60-720BLK Upgraded Engine Mount Bushing . Engineered specifically for the upper right engine mount of the Megane 3 RS , this high-performance polyurethane insert stiffens the front axle,...
€44.98Price
RENAULT MEGANE 3 RS TIMING SYSTEM HEAT SHIELD
The Renault timing system heat shield, reference 8200334509 , is a protective component designed for the engine timing area. It helps shield nearby...
€36.95Price
Prevent excessive engine movement and imprecise gear changes during hard driving. The high-performance Powerflex Uprated Engine Mount Insert for Megane 3 RS , sold under part number PFF60-720 , fits directly into the factory voiding to limit mechanical engine...
€41.33Price
Support Moteur ou Biellette Superieure Anti Cabrage pour Megane 3 RS Pièce pouvant s'user rapidement lors de grosses sollicitations sur piste qui provoquent des claquements au passage des vitesses.
€91.36Price
Don't let a failing fuel delivery system choke your vehicle's performance. This genuine RENAULT fuel pump and gauge assembly guarantees optimal fuel flow and constant pressure to your engine. Specifically engineered for the Renault Megane 4 RS , this original OEM component prevents sudden power losses, misfires, or fuel...
€765.48Price
- New
- New
Don't let an unstable fuel delivery system choke your performance vehicle. This genuine RENAULT fuel pump and gauge assembly restores the exact flow rate and pressure required by your Renault Megane 4 RS engine. By replacing your worn module with this original manufacturer component, you prevent sudden power cuts under...
€765.48Price
- New
- New
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
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
- Pack
- Pack
Pack de 12 bouteilles nettoyant frein BARDAHL 600ML
€36.30€39.60Regular price-€3.30 offPrice
Bardahl Brake Cleaner 600 ML
High-performance brake cleaner from the renowned Bardahl brand.
Powerful formula to quickly eliminate grease, oil, dust, and other contaminants from braking systems.
Convenient 600 ml aerosol packaging.
Discover other associated maintenance and braking products on this page for...
€3.30Price
Forged Intake Valve – 28337-70856
The forged intake valve 28337-70856 is an engine component designed to control the entry of air, or the air-fuel mixture, into the combustion chamber. It...
€31.04Price
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
Ensure the perfect sealing and protection of your engine block with this genuine Renault core plug (freeze plug) with a 20.5mm diameter . This authentic part is essential during any engine rebuild to prevent coolant leaks.
Manufacturer reference: 7703075147 .
Precise 20.5mm...
€2.82Price
En Stock
€35.60
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En Stock
€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
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
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
En Stock
€569.18
Price
En Stock
€569.18
Price
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
En Stock
€369.21
€923.02
Regular price
-60% off
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En Stock
€369.21
€923.02
Regular price
-60% off
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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
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
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
Moteur K4M 1.6 16v
Vendu avec embrayage, volant moteur, papillon, bobines, bougies...
Moteur neuf (pas un echange standard)
€5,790.00Price
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
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
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
Renault Clio 2 RS Undertray Fixing Screw
Fixing screw designed for securing the engine undertray on compatible Renault Clio 2 RS models. Suitable for replacing a missing or worn fastener to help keep the lower engine cover securely fitted.
€7.55Price
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
Auxiliary Belt Tensioner – Renault Megane 4 GT 205
Auxiliary belt tensioner designed for compatible Renault Megane 4 GT 205 models. It helps maintain the correct tension of the auxiliary drive belt to support reliable operation of belt-driven engine accessories.
€130.66Price
Support Boite renforcé Vibra Technics pour Super 5 GT TURBO
€151.20Price