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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
Sur commande ou en cours de réappro
€24.00
Price
Sur commande ou en cours de réappro
€24.00
Price
Tuyau nitrile GOODRIDGE DASH 6 (le m)
Le...
€24.00Price
Capteur température d'eau Clio 4 RS
Capteur se positionnant sur le boitier de sortie d'eau de la culasse
€117.79Price
Flexible à carburant Réservoir / Té Clio 3 Cup
Référence: 7711162421
€160.52Price
Sur commande ou en cours de réappro
€24.89
Price
Sur commande ou en cours de réappro
€24.89
Price
Tuyau entrée dégazage Clio 3 RS y compris R3 et X85 Cup
€24.89Price
Sur commande ou en cours de réappro
€30.96
Price
Sur commande ou en cours de réappro
€30.96
Price
Ensure perfect sealing of your cooling system with this genuine Renault water housing gasket , specifically designed for plastic water housings on the Renault Twingo 2 RS . Prevent leaks and overheating with this original quality part.
€30.96Price
The original Renault blue water temperature sensor is an essential part to ensure precise engine temperature control for your Renault Clio 2 RS , Clio 2 GR N , Clio 2 X65 CUP , Clio 3 RS , Clio 3 X85 CUP , Megane 2 RS , Megane 3 RS , and Megane N4 ....
€57.26Price
Capteur Température d'eau Twingo R1 et R2
Référence: 7711162900
€39.94Price
Pompe à essence gros Debit Clio 2 RS Pression max: 8 bars Débit: 287L/H
€95.00Price
Sur commande ou en cours de réappro
€9.31
Price
Sur commande ou en cours de réappro
€9.31
Price
Genuine Renault Oil Pump Fixing Screw for Clio 2 RS, Clio 2 Gr N, Clio 2 X65 Cup, Clio 3 RS, Clio R3, Clio 3 X85 Cup, Megane 2 RS, Megane 3 RS, Megane N4. Ensure optimal oil pump retention with this essential part.
Also discover the compatible oil pump for complete installation.
€9.31Price
Sur commande ou en cours de réappro
€2.20
Price
Sur commande ou en cours de réappro
€2.20
Price
The original Renault accelerator cable clip is an essential fastening part to ensure precise and reliable accelerator operation on your Renault Clio 2 RS , Clio 2 X65 Cup , or Clio 2 Gr N . Ensure a secure connection and optimal accelerator response with this original quality clip. We ship worldwide.
€2.20Price
Demi bac à batterie pour batterie Braill 2618
€42.67Price
Sur commande ou en cours de réappro
€46.10
Price
Sur commande ou en cours de réappro
€46.10
Price
Rallonge SAV Alternateur Formule Renault FR 2.0 Tatuus
€46.10Price
Sur commande ou en cours de réappro
€571.27
Price
Sur commande ou en cours de réappro
€571.27
Price
Raccord rapide Staubli Réservoir Souple Twingo R1 et R2
€571.27Price
Épingle d’arrêt câble d'accélérateur Twingo R2
€3.42Price
Ensemble console façade équipée Clio R3
7711160763
€1,123.80Price
Sur commande ou en cours de réappro
€72.00
Price
Sur commande ou en cours de réappro
€72.00
Price
Genuine Renault Coolant Reservoir (expansion tank) for Megane 3 RS. Ensure the proper functioning of your cooling system with this authentic part.
Also discover our compatible reservoir cap for a complete replacement.
€72.00Price
Gicleur Piston 2-4 Clio 2 RS1 et RS2
Vendu à l'unité
€14.44Price
Collier serrage inox (durite) diametre 16-25mm
Vendu à l'unité
€1.00Price
Vis M6-16 de support d’arrêt de gaine Twingo R2
€0.91Price
Sur commande ou en cours de réappro
€29.50
Price
Sur commande ou en cours de réappro
€29.50
Price
Adaptateur sonde température d'eau 10x100 sur durite 28mm
€29.50Price
Sur commande ou en cours de réappro
€417.56
€695.94
Regular price
-40% off
Price
Sur commande ou en cours de réappro
€417.56
€695.94
Regular price
-40% off
Price
Do you own a Renault Clio 4 RS and refuse to compromise on your engine's performance? This Throttle Body , manufacturer reference 161207645R , is a genuine RENAULT original part . It is the key element for ensuring precise and rapid airflow management and maintaining the legendary responsiveness of your sports vehicle. Do not...
€417.56€695.94Regular price-40% offPrice
Sur commande ou en cours de réappro
€569.18
Price
Sur commande ou en cours de réappro
€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
Sur commande ou en cours de réappro
€110.82
Price
Sur commande ou en cours de réappro
€110.82
Price
Genuine Renault Fuel Pressure Regulator for Megane 3 RS and Megane N4. Ensure optimal fuel supply with this high-quality regulator.
Don't forget the retaining clip for secure installation.
€110.82Price
Sur commande ou en cours de réappro
€19.87
Price
Sur commande ou en cours de réappro
€19.87
Price
Tuyau nitrile GOODRIDGE DASH 6 (le m)
Le...
€19.87Price
Genuine Renault Fuel Supply Pipe for Clio 4 RS. Ensure optimal fuel supply with this high-quality rigid pipe.
€73.75Price
Tuyau alimention essence Clio 3 RS
Tuyau arrivée à la rampe
€219.88Price
Do not risk an unexpected coolant leak inside your cabin, a catastrophic engine overheat on track, or a sudden loss of pressure within your heating system. The premium heater matrix radiator inlet hose for the Renault Twingo 2 RS is the essential factory-specified conduit...
€17.65Price
Do not let a stock hose baked by time ruin your sports car's engine. This FLEXEO silicone coolant hose kit is the ultimate solution to replace the porous rubber components on your Renault Clio 3 RS . Specifically engineered to withstand the extreme thermal demands of the 197 bhp and 203 bhp naturally aspirated engines (Clio 3 RS Phase 1, Phase 2, Cup, F1...
€313.75Price
Sur commande ou en cours de réappro
€22.00
Price
Sur commande ou en cours de réappro
€22.00
Price
Protect your vintage or classic vehicle's engine with Motul INUGEL CLASSIC coolant , a premium 5-liter product. Specifically formulated for older vehicle cooling systems, it prevents corrosion , overheating , and premature wear . Don't let unsuitable fluid damage your engine.
€22.00Price