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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
Maintien câblage boitier BSM Megane 3 RS et N4
€4.30Price
Joint d'échangeur (modine) d'huile Clio 3 RS
€14.36Price
En Stock
€421.38
Price
En Stock
€421.38
Price
Ensure optimal engine cooling for your Renault Clio 3 RS or Twingo RS with this genuine Renault cooling fan motor + blade assembly (GMV) . A key component of thermal management, it's essential for preventing overheating and maintaining your sports car's performance. Don't compromise your engine's health with a failing cooling system.
€421.38Price
Écrou de fixation arrière anti cabrage Clio 2 RS
€3.48Price
Couvercle protection boitier éléctronique Megane 3 RS et N4
€25.51Price
Is your engine struggling to reach its operating temperature? The genuine Renault water housing valve is the essential technical solution for Renault Megane 4 RS and Megane 4 GT TCE 205 owners. This authentic part corrects the frequent symptom of a vehicle that no longer warms up , protecting your engine from premature wear...
€576.16Price
Vis arrière de fixation anti cabrage Clio 2 RS et Gr N
Uniquement compatible pour Clio 2 RS Phase 2 et 3
€10.67Price
Ecrou de fixation de patte de tirant anti glissement Clio 2 RS et Gr N
€3.36Price
Do you own a Renault Clio 3 RS or a Renault Megane 2 RS and worry about not having a clear and reliable view of your sports engine's oil level? Does the lack of precise information on your dashboard stress you out before every track session or dynamic drive? Don't let doubt linger any longer! This original RENAULT electronic oil level gauge ...
€98.82Price
En Stock
€53.98
€63.50
Regular price
-15% off
Price
En Stock
€53.98
€63.50
Regular price
-15% off
Price
- On sale!
- On sale!
Preserve the raw output, responsiveness, and longevity of your modern turbocharged engine with Castrol EDGE 5L 0w40 RN17RSA motor oil . Explicitly formulated under factory reference 7711943670 to meet the strict engineering approval demands of Renault Sport...
€53.98€63.50Regular price-15% offPrice
Radiateur d'eau latéral Wagner BMW M3 / M4 F80/F82/F83
Le moteur turbo S55B30 de 3,0 litres des modèles BMW M3/M4 est équipé d'un circuit de refroidissement par air à suralimentation indirecte....
€1,250.00Price
Vis M12
Vis utilisée pour la fixation de la partie av de l'anti cabrage inférieur sur la Clio 3 X85 Cup
et utilisée pour la fixation de la partie arriere de l'anti cabrage inferieur sur Twingo 2 RS et Wind
Référence: 7703002363-7703002951
€9.60Price
Engine Oil Jet – Renault Megane 3 RS
Engine oil jet designed for compatible Renault Megane 3 RS applications. This component directs engine oil to specific areas of the engine to support lubrication and help manage operating temperatures. Check compatibility with your engine before ordering.
€14.65Price
Entretoise rotule pour biellette de reprise de couple Clio 3 X85 Cup
Référence: 7711160059
€14.64Price
Plot élastique ventilateur moteur Megane 3 RS et N4
€1.58Price
Agrafe double tuyau d'eau vers radiateur intérieur Twingo 2
Référence: 7703079857
€2.83Price
Biellette de reprise de couple Clio 3 X85 Cup
Référence: 7711160020
€200.27Price
Patte fixation support durites d'eau Megane 3 RS et N4
€6.37Price
Optimize your Renault Clio R3 engine mount with this official Renault Sport engine support (ref. 7711160468) . Designed for optimal performance, it ensures a robust and precise fixation of your engine. Find the associated silent blocks and body side mount at the bottom of the page for a complete assembly.
€232.70Price
Tuyau entrée radiateur de chauffage Megane 3 RS et N4
Référence: 924000017R
€30.60Price
Clip maintien
Permet de fixer l'isolant tablier sur Clio 2 RS
Référence: 7703081227
€1.99Price
Secure and optimize the fixation of your engine to the body of your Renault Clio R3 with this official Renault Sport body side engine mount (ref. 7711160466) . Essential for a perfect chassis-engine connection, it contributes to driving precision and the reduction of vibrations. Find the associated engine side engine mount at the...
€667.54Price
Support inférieur radiateur Megane 3 RS et N4
Référence: 215450002R
€4.10Price
Coude réduit 90° sortie de bocal de refroidissement Twingo R2
€27.98Price
Vis HRDL 5x16 fixation GMV sur radiateur Clio 2 RS et Gr N
€0.83Price
Vis de fixation boitier d'eau Clio 2 RS y compris Gr N et X65 Cup
€1.44Price
The Renault Sport cradle spacer (ref. 7711160193 ) is an essential part to optimize the lower engine anti-pitch for your Renault Clio 3 X85 Cup . It improves chassis rigidity and engine stability.
€10.44Price
Strengthen the engine-chassis connection of your Renault Clio 3 X85 Cup with this official Renault Sport body side engine mount (ref. 7711160012) . Essential for minimizing vibrations and optimizing handling. Find the associated engine side engine mount at the bottom of the page for a complete assembly.
€140.06Price
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
The original Renault engine fan resistor is an essential regulation part to ensure optimal engine cooling on your Renault Clio 3 RS , Renault Twingo 2 RS , or Renault Twingo R1 . Maintain a stable engine temperature and prevent overheating with this original quality resistor. We ship worldwide.
€85.20Price
Capteur température d'eau pour boitier d'eau plastique
€40.15Price
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
Patte fixation support durites d'eau Megane 3 RS et N4
€6.37Price
