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Bidon de 2L de ELF FE 5W30
Huile Préconisé par Renault pour l'entretien de la Megane RS DCI
€19.50Price
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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
Poulie accessoire filtrante Twingo RS, R1 et R2
7711167301
€127.10Price
Kit de 11 Durites Silicones pour Super 5 GT Turbo Phase 2 Noir mat afin de rester dans l'esprit d'origine de la voiture Parfait pour une restoration
€279.71Price
Soupape Admission Megane 3 RS et N4 Référence: 7711167280
€31.21Price
Kit Goujons de Vilebrequin renforcés ARP pour clio 2 RS / Megane 3 RS / Clio 3 RS
€197.06Price
Gearbox Drain Plug Washer – 16 mm
The Renault drain plug washer, reference 7703062062 , is a sealing component designed to help prevent oil leaks at a compatible drain...
€1.32Price
The original Renault exhaust camshaft oil seal is an essential sealing part for your Renault Twingo RS, Twingo R1 , or Twingo R2 . It ensures a tight seal between the camshaft, cylinder head, and valve cover, preserving your engine's performance and reliability.
€16.92Price
Set of 4 spark plugs for...
€149.05€212.93Regular price-30% offPrice
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
En Stock
€71.22
€79.33
Regular price
-€8.11 off
Price
En Stock
€71.22
€79.33
Regular price
-€8.11 off
Price
Set of 4 Original Renault Spark Plugs - Clio 2 RS / Gr N / X65 Cup
Optimize the performance of your Renault Clio 2 RS with this set of 4 original Renault spark plugs. Essential for perfect ignition and optimal combustion. Compatibility: Clio 2 RS, Clio 2 Gr N, Clio 2 X65 Cup.
Original Renault Part
Set of 4 spark plugs ...
€71.22€79.33Regular price-€8.11 offPrice
Control your engine's temperature with this genuine Renault thermostat with an opening temperature of 75°C . Specifically designed for the Clio 3 RS , it also mounts without modification on the Clio 2 RS , allowing the cooling circuit to open more quickly. This part is essential for limiting temperature spikes and preventing the risk of engine overheating ...
€78.18Price
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
Renault Camshaft Intake Sealing Plug – Reference 7700106271
The Renault camshaft sealing plug, reference 7700106271 , is an engine component designed to seal an opening in the cylinder head...
€14.89Price
Tuyau Flexible sonde pression Twingo R2
Référence: 7711160963
€98.71Price
Collier serrage inox (durite) diametre 50-70mm
Vendu à l'unité
€1.84Price
Vis de fixation galet enrouleur de distribution K4M
8200581340
€5.66Price
Optimize the performance of your Renault Twingo R2 EVO 195hp with this genuine RENAULT SPORT assembled cylinder head (ref. 7711167644). Supplied with valves, retainers, valve springs, rocker arms, and pushrods, this cylinder head is ready to be installed (camshafts not included). Guaranteed performance and reliability.
€8,104.62Price
Tampon inférieur radiateur Clio 3 RS y compris R3 et X85 Cup
€7.19Price
Do not risk major engine failure on your sports car. This genuine RENAULT expansion tank is the only certified part capable of maintaining the exact pressure of your cooling circuit. Specially designed for the Renault Clio 2 RS (all phases, including Jean Ragnotti, Clio RS1, RS2, 172, and 182), this coolant reservoir replaces your porous, yellowed, or...
€116.83Price
This new oil pressure sensor , from the Renault Sport competition catalog , is a vital safety part for the rally engines of the Renault Clio R3 and Twingo R2 . It is essential for monitoring lubrication and thereby preventing catastrophic engine failures caused by a lack or drop in oil pressure.
€195.78Price
Collier serrage inox (durite) diametre 60-80mm
Vendu à l'unité
€2.08Price
The Renault Oil Separator Seal is an original part designed to ensure the oil separator's sealing. Compatible with the Renault Clio 2 RS , Clio 2 Gr N , Clio 2 X65 Cup , and their rally/circuit versions, it is essential for proper engine function. Important: Verify your oil separator's shape, as two mounting...
€35.80Price
The Renault ignition coil seal (gasket) is an original part designed to ensure perfect sealing and optimal performance of the ignition system on Renault Twingo 2 RS, Renault Clio 3 RS, Renault Clio R3, Renault Clio 3 X85 Cup, Renault Megane 2 RS, Renault Megane 3 RS, and Renault Megane N4 models.
€15.49Price
Tampon supérieur radiateur Clio 3 RS y compris R3 et X85 Cup
€7.96Price
Kit colliers pour kit durites d'eau Forge Clio 2 RS
€31.01Price
ELF Tranself NFX SAE 75W Gearbox Oil – 1 Litre
The ELF Tranself NFX SAE 75W gearbox oil is a synthetic transmission lubricant designed for manual gearboxes requiring...
€18.79Price
Secure your engine block seal and guarantee the total reliability of your cooling circuit with these factory-spec Water Pump Fixing Bolts for the Renault Clio 2 RS, X65 Cup, and Group N . Engineered specifically for the naturally aspirated 2.0L 16V F4R engine, this high-grade...
€2.82Price
Bague étanchéité vis et bouchon arbre à cames admission Twingo RS, R1 et R2
€37.90Price
Collier serrage inox (durite) diametre 8-12mm
Vendu à l'unité
€1.00Price
Bouchon de vidange carter d'huile moteur
Produit compatible pour Clio 2 RS, Clio 3 RS, Megane 2 RS et Megane 3 RS
€4.37Price
Ensure optimal thermal regulation for your Renault Megane 3 RS with this genuine Renault thermostat . With an opening temperature of 83°C , it is the key part to ensure your engine runs at the ideal temperature, preventing both overheating and undercooling. Don't compromise the health of your F4R engine.
€82.24Price
Preserve your engine's integrity with this genuine Renault oil filter . Specifically engineered for the high-performance engines found in the Renault Clio 4 RS (1.6 Turbo), Renault Megane 4 RS , and Alpine A110 (1.8 Turbo), this filter guarantees optimal removal of impurities.
...
€11.34Price
Bague étanchéité arbre à cames échappement Twingo RS, R1 et R2
€41.95Price
Tuyau entrée d'eau Twingo RS y compris R1 et R2
€43.48Price
Durite d'eau sortie de radiateur Twingo RS R1 et R2
Véritable produit d'origine
€82.45Price
Joint de Culasse Clio 3 RS y compris Clio R3 et X85 Cup
Véritable produit d'origine
€89.65Price
The genuine RENAULT Spark Plug , sold individually and an original manufacturer part, is essential for maintaining optimal performance in your Renault Megane 4 RS or Alpine A110 . Ensure perfect ignition and efficient combustion by choosing RENAULT quality.
€34.73€53.42Regular price-35% offPrice
Camshaft Exhaust End Sealing Plug – Renault
The Renault camshaft sealing plug, reference 7700274026 , is an engine component designed to seal an opening in the cylinder head. It helps maintain...
€10.03Price
Linguet rouleau Clio 2 RS et Clio 3 RS y compris R3 et X85 Cup et Twingo RSVéritable produit d'origine
€90.76Price
Piston équipé indice B (X=82.70) Clio 3 RS et X85 Cup
Piston d'origine
€133.56Price
The Renault complete piston (index C) is an original part, supplied with pin and pin clips, designed for your Renault Clio 3 RS and Renault Clio 3 X85 Cup . It ensures optimal engine performance and increased reliability.
€139.14Price