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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
€58.79
Price
Sur commande ou en cours de réappro
€58.79
Price
Eliminate excessive engine movement in your Renault Twingo 2 RS . This timing side engine mount is a part of equivalent quality to the original that mounts directly in place. Crucial for handling and the precision of gear changes , it absorbs vibrations and keeps the K4M RS block positioned, thus ensuring better mechanical...
€58.79Price
Support moteur sur moteur Megane N4
Référence: 7711167026
€496.94Price
Biellette anti-couple semi rigide Clio Gr N 7711129672
€223.20Price
Biellette arriere reprise de couple Clio GrN 7711129458
€103.60Price
Sur commande ou en cours de réappro
€365.15
Price
Sur commande ou en cours de réappro
€365.15
Price
Support Moteur av droit élastique modifié Clio Gr N 7711129583
€365.15Price
Tampon Elastique servant de silent bloc au support de boite sur la Megane 2 RS DCI
€58.85Price
Sur commande ou en cours de réappro
€39.15
€52.20
Regular price
-25% off
Price
Sur commande ou en cours de réappro
€39.15
€52.20
Regular price
-25% off
Price
Stabilize your transmission with this genuine Renault gearbox mount silent block . Specifically designed for the Renault Megane 2 RS and the Renault Clio 3 RS , this crucial component absorbs vibrations and guarantees precise gear shifting during high-performance driving.
Certified genuine...
€39.15€52.20Regular price-25% offPrice
Sur commande ou en cours de réappro
€95.26
Price
Sur commande ou en cours de réappro
€95.26
Price
Biellette Superieure Anti Cabrage inf Megane 2 RS DCI
Biellette Anti couple
€95.26Price
Support Moteur pour Megane 2 RS DCI
Pièces d'origine fourni dans son emballage d'origine
Se montent bien entendu en lieu de place
€184.99Price
Support boite (tampon élastique) pour Clio 16S et Williams
€95.00Price
Maintain the precision of your gear changes with this genuine Renault gearbox silent bloc . Specifically designed for all phases of the Renault Clio 2 RS (172, 182, Cup), this engine mount ensures the rigid support of the powertrain while filtering out unwanted vibrations.
A certified manufacturer part, essential for...
€62.54Price
Biellette Anti Cabrage de marque Renault pour Clio 172 Phase 2 et 182.
Attention, la version spécifique à la 182 avec le trou excentré n'existe plus.
Véritable produit d'origine
€67.00Price
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
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
€174.97
Price
Sur commande ou en cours de réappro
€174.97
Price
Original RENAULT Water/Oil Cooler for Clio 2 X65 Cup & Clio 3 RS
Do not risk engine overheating and loss of performance . This original RENAULT water/oil heat exchanger is the vital component for maintaining optimal <span...
€174.97Price
Support Biellette anti cabrage Clio 2 RS Phase 1
€66.30Price
Sur commande ou en cours de réappro
€6.85
Price
Sur commande ou en cours de réappro
€6.85
Price
Vis de fixation de patte de tirant anti glissement Clio 2 RS et Gr N
€6.85Price
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
Coiffe support moteur Clio 3 RS
Véritable pièce d'origine
€87.76Price
Ensemble fixation hélice GMV Clio 2 RS et Gr N
€8.28Price
Sur commande ou en cours de réappro
€171.23
Price
Sur commande ou en cours de réappro
€171.23
Price
Support tampon AV G (BV côté caisse) Clio X85 Cup
Référence: 7711160010
€171.23Price
Axe support de boite twingo rs
Piece d'origine plus fournie, nous proposons une pièce renforcée que vous trouverez en bas de ce produit
€33.52Price
Original Renault Expansion Tank for Clio 3 RS - Optimal Cooling System Maintenance
Preserve the reliability of your Renault Clio 3 RS with this original Renault expansion tank. Ensures the correct coolant level for optimal engine operation. Also find related products at the bottom of this page.
€108.78Price
Sur commande ou en cours de réappro
€300.00
Price
Sur commande ou en cours de réappro
€300.00
Price
Kit de 12 Durites Silicones pour Super 5 GT Turbo Phase 1
Noir mat afin de rester dans l'esprit d'origine de la voiture
Parfait pour une restoration
€300.00Price
Kit de 8 Durites Silicones pour Clio 16S et Williams Noir mat afin de rester dans l'esprit d'origine de la voiture Parfait pour une restoration
€209.00Price
Manchon raccordement Circuit Modine Clio 2 Cup
Référence: 7711155316
€7.45Price
Kit de 9 Durites Silicones pour Super 5 GT Turbo Phase 1
Noir mat afin de rester dans l'esprit d'origine de la voiture
Parfait pour une restoration
€210.00Price