My Cart
€0.00
Pensez à sélectionner votre vehicule pour limiter les resultats de recherche
Our Services
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.
Subcategory
View Left Column
There are 800 products.
Grid
Grid-2
List
List-2
Catelog
Active filters
Don't gamble with your engine's lubrication. This genuine Renault OEM oil pan is the only component that guarantees a perfect seal and thermal resistance meeting the strict requirements of your Renault Clio 3 RS , Megane 2 RS , or Megane 3 RS . By choosing this certified part, you avoid micro-cracks and warping issues common in...
€265.93Price
Joint de culasse Cometic.
Alésage du joint 83mm
épaisseur du joint 0.75mm
Haute résistance.
Composés de trois feuilles d'acier inoxydable pour améliorer la solidité et la résistance à la corrosion.
D'autres alesages et épaisseur disponibles, nous contacter.
€133.31Price
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
Support platine servitude Clio 2 Cup X65 Référence : 7711155262
€17.10Price
Durite d'admission d'air silicone Forge Motorsport qui se fixe en sortie de boite à air. Celle ce permet d'augmenter le débit d'air notamment grâce à un diamètre plus gros ainsi qu'une surface lisse interne. Se monte en lieu et place de celle d'origine Plusieurs couleurs disponibles
€159.77Price
Joint de décanteur Clio 2 RS et Clio 3 RS Joint se trouvant entre le décanteur et le plenum
€8.57Price
Support inférieur écope boitier filtre Twingo R2
Référence: 7711167597
€17.45Price
- 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
Kit Joint Spy Arbres à Cames + Vis de Poulie Kit indispensable pour proceder au changement de la distribution sur Clio 2 RS
€54.58Price
Coussinet de vilebrequin trimetal Coussinets pour F7P, F7R, F4R, F4R soit pour Clio 16S, Williams, clio 2 RS, Clio 3 RS, Megane 2 RS, Megane 3 RS Présence d'ergots.
€66.48Price
Boîtier électronique F4R 730
Référence: 7711129391
€372.01Price
Blue Crankshaft Half-Bearing Set
This blue crankshaft half-bearing set is designed for engine applications requiring compatible crankshaft bearing components. Before ordering, check the engine specification and the manufacturer's references to ensure correct fitment.
€70.25Price
1/2 coussinet inf palier rouge Clio 2 RS Référence: 7700108709
€3.07Price
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
Secure your engine block's lubrication with this high-performance oil pump for Renault 2.0L engines. Essential for maintaining constant oil pressure, it is compatible with Clio 2 RS , Clio 3 RS , as well as X65 Cup ,...
€211.80Price
Huile moteur HTX 3823 0W20 4L Référence: 7711167580
€90.50€120.66Regular price-25% offPrice
En Stock
€59.00
€69.41
Regular price
-15% off
Price
En Stock
€59.00
€69.41
Regular price
-15% off
Price
Protect your engine's health with this genuine Renault injector specifically designed for the Clio 2 RS . This authentic part features the ITG M60 marking, guaranteeing optimal fuel atomization for high-performance 2.0 16v engines.
Brand new and original Renault ...
€59.00€69.41Regular price-15% offPrice
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
Support boitier filtre air Twingo R2
Référence: 7711167598
€61.09Price
En Stock
€10.57
€13.93
Regular price
-€3.36 off
Price
En Stock
€10.57
€13.93
Regular price
-€3.36 off
Price
Ensure vital engine sealing with this genuine Renault intake manifold gasket for the Clio 2 RS (172 and 182hp). This authentic component guarantees a perfect junction between the cylinder head and your manifold, preventing any parasitic air leaks that could degrade the performance of your F4R engine . Do not...
€10.57€13.93Regular price-€3.36 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
Secure your engine build with the DeatschWerks DW65c fuel pump , delivering a high-performance flow rate of 265L/H . Specifically engineered for the Renault Megane 2 RS , this pump offers the major advantage of being 100% E85 compatible (ethanol), making it the perfect choice for flex-fuel conversions. Its compact design allows...
€224.09Price
Joint carter inférieur huile moteur Twingo RS y compris R1 et R2
€95.21Price
Clip maintien support linguet Twingo R2 195/205
Référence: 7711167614
€3.16Price
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
1/2 coussinet inf palier bleu Clio 2 RS
Référence: 7700108710
€3.61Price
Safeguard the mechanical reliability and thermal efficiency of your high-performance engine with the Genuine Renault Sport Water Pump for F4R and F4Rt engines . This authentic factory replacement component is essential to ensure optimum coolant circulation under intense road...
€117.43Price
Collection de 48 grains de réglage soupapes Twingo R2 195-205
7711167645
€831.29Price
Soupape Echappement Megane 3 RS et N4 Référence: 7711167281
€83.59Price
Cache bouchons arbres à cames moteur F4R Kit de 2 plaques de fermeture moteur 7711155481
€54.41Price
Ensemble de joints nécéssaire au bon remontage du moteur de Clio 3 RS
Véritable produit d'origine
€198.25Price
Joint de culasse Cometic. Alésage du joint 83mm épaisseur du joint 1.7 mm Haute résistance. Composés de trois feuilles d'acier inoxydable pour améliorer la solidité et la résistance à la corrosion. D'autres alesages et épaisseur disponibles, nous contacter.
€174.00Price
Fuel Gauge/Pump Module Renault Clio 2 RS (Original)
Original Renault fuel gauge/pump module for Clio 2 RS Phase 2/3 (without regulator on rail) and Clio 2 X65 Cup. Ensures reliable fuel supply. Discover the compatible fixing ring and gasket at the bottom of the page.
€178.04Price
Ensure the longevity of your bottom end with this genuine Renault crankshaft thrust washer pair . Featuring a precise thickness of 2.3 mm , these thrust bearings are essential for controlling crankshaft end play on F7R and F4R engines. A certified OEM part for Clio Williams, Clio 2 RS, Clio 3 RS, and...
€43.51Price
Secure your performance engine's bottom end with this genuine RENAULT connecting rod bolt , sold individually. Engineered to withstand high RPMs, it is essential for the maintenance and personalization of Clio 2 RS , Clio 3 RS , Megane 2/3 RS , and Clio Williams ...
€8.56Price
AAC Admission loi 286TR2A2 Twingo R2 205 Référence: 7711167674
€1,326.07Price
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
1/2 coussinet sup palier rouge Clio 2 RS Référence: 7700108715
€2.86Price
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