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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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Ensure the reliability of your assembly with this Genuine Renault Sport CHC M8-20 Bolt , reference 7711128280 . Specifically engineered for the high-stress environment of the Twingo R2 , this fastening component guarantees torque consistency...
€1.06Price
Huile Motul Eighties 10w40 (bidon de 2L) Huile moteur semi-synthétique multigrade spécialement conçue pour les véhicules classiques, Modern Classic et Youngtimer des années 1970, 1980 et 1990 équipés de moteurs 4 Temps, Essence ou Diesel, atmosphériques, compressés ou turbocompressés, à injection ou carburateur, de ces décennies.
€19.99Price
Ensure a perfect seal for your engine's ventilation system with this genuine Renault oil decanter gasket . Essential for your Renault Clio 2 RS (excluding Phase 1), Clio 3 RS, Megane 2 RS, or Megane 3 RS , it prevents oil leaks, excessive consumption, and circuit clogging. Don't let a faulty gasket compromise the cleanliness and performance of your sports engine.
€39.17Price
Carter turbo-compresseur modifié Megane N4
Référence: 7711167373
€556.99Price
Upgrade conduit admission forge avec adaptateur Megane 4 RS.
Produit developpé pour supprimer la restriction d'origine de l'admission.
Bien qu'apportant deja un plus sur une voiture d'origine, ce produit a encore plus d'interet en cas de vehicule reprogrammé
€187.01Price
Protect your turbocharger's health with this genuine Renault turbo oil feed pipe . Designed for the Renault Megane 2 RS and Megane 3 RS , this line ensures optimal lubrication of the turbine shaft. As this is an evolved version of the original manufacturer part, a specific mounting adapter ...
€106.16Price
Ecrou M12 Clio X85 Cup et Megane N4
Référence: 7703033029
€3.04Price
Pignon de vilebrequin claveté Twingo 2 RS y compris R1 et R2
€75.14Price
Vis creuse tuyauterie alimentation huile Megane 2 et 3 RS
€29.62Price
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Kit Vidange Motul 300V comprenant 3 bidons de 2 Litres d'huile Motul 300V 5w40, 1 filtre à huile de marque Purflux et 1 joint bi matière de 16mm
€122.26€131.47Regular price-7% offPrice
Kit Admisssion Forge Motorsport Megane 4 RS
Produit developpé dans le but de
- Garder des temperatures d'admission interessantes et les plus basses possibles
- Ameliorer l'afflux d'air
- Ameliorer l'esthetique de la baie moteur
Apres de nombreux essais, les resultats obtenus sont
+ 15ch
Ce gain peut etre superieur en associant ce kit...
€361.00Price
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Kit Vidange Motul 300V comprenant 3 bidons de 2 Litres d'huile Motul 300V 15w50, 1 filtre à huile de marque Purflux et 1 joint bi matière de 16mm
€127.52€131.47Regular price-3% offPrice
Support alternateur Clio 2 X65 Cup
8200031832 / 7700705469
€315.00Price
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- Pack
Kit complet permettant l'installation d'une dump valve HKS sans nécessiter de produit additionnel.
€379.68€399.66Regular price-€19.98 offPrice
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Kit Vidange Motul 300V comprenant 3 bidons de 2 Litres d'huile Motul 300V 10w40, 1 filtre à huile de marque Purflux et 1 joint bi matière de 16mm
€127.52€131.47Regular price-3% offPrice
Support avant gauche/BV Clio 2 X65 Cup
7711155427 / 7711067196
€424.99Price
Régulateur pression gaz carter Clio 3 RS
€61.60Price
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Kit Dump Valve HKS Megane 3 RS
Le kit est complet et permet donc de monter une dump HKS sans necessité d'acheter d'autres pieces.
€330.87€367.63Regular price-€36.76 offPrice
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Kit Vidange Motul 300V comprenant 3 bidons de 2 Litres d'huile Motul 300V 5w40, 1 filtre à huile de marque Renault et 1 joint bi matière de 16mm
€121.94€134.00Regular price-9% offPrice
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
Courroie accessoires Clio Cup X65 Référence: 7711155356
€21.36Price
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.
<p...
€39.99Price
Kit Joint Spy Arbres à Cames + Vis de Poulie Kit indispensable pour proceder au changement de la distribution sur Clio 2 RS
€54.58Price
En Stock
€19.30
€25.79
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-€6.49 off
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En Stock
€19.30
€25.79
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-€6.49 off
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Don't risk an unexpected breakdown! This summary concerns the Genuine RENAULT Accessory Belt for the Renault Twingo 2 RS and Renault Wind 1.6 16v models. This is an essential part for the smooth running of your sports engine. Failing to replace it in time risks costly damage.
...
€19.30€25.79Regular price-€6.49 offPrice
Joint anti-usure jonction écope divergent Twingo R2
Référence: 7711167594
€8.48Price
Genuine Renault Crankshaft Sprocket - Multi-RS Models
Ensure the performance and reliability of your engine with this genuine Renault crankshaft sprocket. Compatible with Clio 2 RS, Clio 3 RS, Megane 2/3 RS and competition models. Essential part for timing adjustment.
€74.21Price
Avoid exhaust gas leaks and loss of sealing at the exhaust manifold of your Renault Twingo 2 RS . This exhaust manifold gasket is designed for the 1.6 16V K4M engine and is suitable for sporting applications including the...
€20.80Price
Support AR fix. reservoir RAS Megane N4 Référence: 7711167276
€80.02Price
Durite Forge Silicone. Se monte en lieu et place Plusieurs Coloris Disponibles
€140.75Price
En Stock
€39.99
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En Stock
€39.99
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Motul 300V Competition Engine Oil 5W40 2L - Ultimate Performance for Racing
Don't let your competition vehicle's performance be compromised. engine oil is the ultimate choice for maximum protection and unmatched track performance. Specifically developed formula for extreme racing demands. 2-liter can.
Also discover our...
€39.99Price
Huile moteur HTX 3823 0W20 4L Référence: 7711167580
€90.50€120.66Regular price-25% offPrice
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
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
Coussinets bielle ( X=48 )
Le prix est pour 8
Produit remplacé, vous trouverez le produit de remplacement ci dessous ⬇️
€99.36Price
Silentbloc maintien écope Twingo R2 Référence: 7711167596
€9.50Price