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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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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
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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
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Culasse assemblée Megane 3 RS
Culasse neuve comprenant soupapes assemblées
€3,544.38Price
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
Renault Water Inlet Pipe (Clio 3 RS, Megane 2/3 RS, etc.) (Original)
Original Renault water inlet pipe in the cylinder block (water fitting), compatible with Clio 3 RS, Clio R3, Clio 3 X85 Cup, Megane 2 RS, Megane 3 RS, Megane N4. Ensures optimal coolant circulation. Discover our compatible gaskets and water tubes at the bottom of the page.
€32.10Price
Sur commande ou en cours de réappro
€52.18
Price
Sur commande ou en cours de réappro
€52.18
Price
Tuyau vapeur huile décanteur répartiteur Megane 2 RS
€52.18Price
Coussinet de bielles Clio R3 MAX (prix unitaire)
La photo représente 4 coussinets mais le prix est unitaire
€79.93Price
Sur commande ou en cours de réappro
€34.98
Price
Sur commande ou en cours de réappro
€34.98
Price
Support bague joint Vilebrequin Twingo 2 RS y compris R1 et R2
€34.98Price
Sur commande ou en cours de réappro
€289.00
Price
Sur commande ou en cours de réappro
€289.00
Price
Do not take the risk of breakdown anymore! The reinforced silicone water hose kit for Renault Mégane 3 RS is the essential upgrade for your engine's reliability . Advantageously replacing the original rubber hoses, which are often prone to cracking or swelling under heavy use, these hoses are designed to...
€289.00Price
Sur commande ou en cours de réappro
€51.07
Price
Sur commande ou en cours de réappro
€51.07
Price
The original Renault black water temperature sensor is an essential part to ensure precise engine temperature control for your Renault Clio 3 RS , Renault Clio 3 X85 Cup , Renault Megane 3 RS , and Renault Megane N4 . It guarantees reliable information to optimize performance and prevent overheating. We ship...
€51.07Price
Sur commande ou en cours de réappro
€107.33
Price
Sur commande ou en cours de réappro
€107.33
Price
Tuyau entrée sortie radiateur de chauffage Megane 2 RS
€107.33Price
Ensemble fixation hélice GMV Clio 2 RS et Gr N
€8.28Price
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- Pack
Kit Distribution complet Clio 2 RS.
Kit comprenant exclusivement des produit d'origine Renault.
Le kit comprend:
- Les bouchons d'étanchéité Arbres à cames
- Le kit distribution
- Le kit accessoire
- La pompe à eau
- le kit joint spy de vilebrequin
- Le kit joint spy arbres à cames + vis de poulie
N'oubliez pas...
€587.14Price
Sur commande ou en cours de réappro
€14.44
Price
Sur commande ou en cours de réappro
€14.44
Price
Ensure optimal lubrication for your Clio 2 RS 182, Clio 3 RS, or Megane 2 RS F4R engine with this genuine Renault oil sprayer (oil jet) for cylinders 2 and 4. Essential for reliability, this small component sprays oil under the pistons to cool and lubricate them. Don't take any risks with the health of your F4R engine.
€14.44Price
Sur commande ou en cours de réappro
€144.85
€289.69
Regular price
-50% off
Price
Sur commande ou en cours de réappro
€144.85
€289.69
Regular price
-50% off
Price
Do not risk a severe drop in high-RPM power, a metallic diesel-like rattling noise during cold starts, or a catastrophic timing misalignment. The genuine Camshaft Dephaser Pulley for Renault Twingo RS / R1 (Genuine Factory OEM Component) is the indispensable mechanical...
€144.85€289.69Regular price-50% offPrice
Kit complet de durites d'eau Forge pour Megane 2 RS. Convient à toutes les Megane 2 RS 225ch, 230ch, R25, R26, R26R. Ce kit vient en lieu et place des durites d'origine et les remplacent avantageusement.
€416.76Price
The Renault Sport Gr N Camshaft Timing Pin (ref. 7711129736) is an official RENAULT SPORT part designed specifically for the Renault Clio 2 Gr N . Essential for precise camshaft timing, it ensures optimal performance. Optimiz Access is the exclusive distributor of official Renault Sport parts for this vehicle.
€147.42Price
Genuine Renault Fuel Vapor Separator Hose for Megane 2 RS
This hose, commonly prone to breakage at the clip near the throttle body, ensures optimal evacuation of fuel vapors. Replace your defective part with a genuine piece to guarantee the reliability and performance of your engine.
€96.05Price
Filtre à huile purflux L470
Photo non Contractuelle
€11.60Price
Sur commande ou en cours de réappro
€160.20
Price
Sur commande ou en cours de réappro
€160.20
Price
Moteur équipé Megane 3 RS et N4
Référence: 7711167356
Moteur Neuf F4R 874
€6,507.05Price