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Capteur température d'eau pour boitier d'eau plastique
€40.15Price
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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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Patte fixation support durites d'eau Megane 3 RS et N4
€6.37Price
A key component for ignition and injection, this Genuine Renault Camshaft Position Sensor guarantees the accuracy of information transmitted to your sports car's ECU. Essential for the proper functioning of your Renault Clio 3 RS Phase 2, Clio 3 X85 Cup, and Renault Mégane 3 RS .
Choose Manufacturer...
€76.50Price
Carter turbo-compresseur modifié Megane N4
Référence: 7711167373
€556.99Price
Patte supérieure gauche fixation radiateur Twingo RS
€14.10Price
This replacement coil plug is designed to replace faulty original coil plugs on Renault Clio 3 RS, Megane 2 RS, Megane 3 RS, and Twingo 2 RS. It ensures a reliable connection and optimal performance of the ignition system.
€4.20Price
Genuine Renault Water Pump Inlet Hose for Renault Clio 3 RS, Megane 2 RS, and Megane 3 RS. Essential part for optimal engine cooling. Renault quality and reliability.
€81.02Price
Upgrade conduit admission forge avec adaptateur Megane 4 RS.
Produit developpé pour supprimer la restriction d'origine de l'admission.
Bien qu'apportant deja un plus sur une voiture d'origine, ce produit a encore plus d'interet en cas de vehicule reprogrammé
€187.01Price
Sonde lambda Clio 2 RS et X65 Cup
Convient en Aval des Clio 172
et pour chacunes des sondes pour la 182
€81.59Price
Bougie origine Megane 4 GT 205
Vendue à l'unité
€21.91€31.30Regular price-30% offPrice
Protect your turbocharger's health with this genuine Renault turbo oil feed pipe . Designed for the Renault Megane 2 RS and Megane 3 RS , this line ensures optimal lubrication of the turbine shaft. As this is an evolved version of the original manufacturer part, a specific mounting adapter ...
€106.16Price
Ecrou M12 Clio X85 Cup et Megane N4
Référence: 7703033029
€3.04Price
Sonde lambda (oxygene) Clio 3 RS
2 Modeles existent, la difference se situe au niveau des connecteurs des prises.
Nous contacter pour confirmer la compatibilité
€233.69Price
Vis creuse tuyauterie alimentation huile Megane 2 et 3 RS
€29.62Price
Don't risk a costly breakdown! This cooling hose for heater radiator inlet , an original Renault part , is specifically designed for your Renault Megane 3 RS .
It replaces the hose located at the engine...
€56.16Price
Modine (echangeur eau huile) Clio 16S et Williams
€343.21Price
Support alternateur Clio 2 X65 Cup
8200031832 / 7700705469
€315.00Price
- Pack
- Pack
Kit complet permettant l'installation d'une dump valve HKS sans nécessiter de produit additionnel.
€379.68€399.66Regular price-€19.98 offPrice
Ecope supérieure de radiateur Clio R3 "MAXI"
Ref: 7711160688
€202.54Price
- Pack
- Pack
Kit Dump Valve HKS Megane 3 RS
Le kit est complet et permet donc de monter une dump HKS sans necessité d'acheter d'autres pieces.
€330.87€367.63Regular price-€36.76 offPrice
Support avant gauche/BV Clio 2 X65 Cup
7711155427 / 7711067196
€424.99Price
Boitier sortie eau sans calorstat Twingo R1 R2
Référence: 7711162845
€83.39Price
Fixation supérieure droite radiateur Twingo R2
€15.55Price
T de marque Forge pour le raccord de Dump Valve (Diametre de liaison 25mm)
€65.11Price
Maximize your engine's responsiveness with the Forge Motorsport Recirculation Dump Valve for Renault Megane 2 RS and Megane 3 RS (reference FMDVRMR ). Unlike atmospheric blow-off valves, this recirculation version diverts air back into the intake system to...
€220.46Price
Support AR fix. reservoir RAS Megane N4 Référence: 7711167276
€80.02Price
Support réservoir de refroidissement Twingo R2
€34.36Price
Denso Iridium Spark Plugs for Mégane RS - Maximum Performance and Reliability
Boost your Mégane RS's performance with Denso Iridium spark plugs, designed to deliver a stronger spark and more efficient combustion. With their iridium electrode, these spark plugs ensure better engine responsiveness, optimized fuel consumption, and increased longevity compared to standard plugs. ...
€88.16Price
Dotée d'un tarage plus ferme que le modèle d'origine, elle permet une mise en action plus rapide du turbo, et une pression de sural plus stable.
€244.00Price
Support AV fix. reservoir RAS Megane N4
Référence: 7711167275
€69.36Price
En Stock
€50.73
€72.47
Regular price
-30% off
Price
En Stock
€50.73
€72.47
Regular price
-30% off
Price
Optimize your engine's thermal regulation with this genuine Renault thermostat . Specifically designed for the Renault Megane 2 RS and Clio 2 RS , this calorstat guarantees rapid warm-up and protection against overheating during intense driving conditions.
Certified genuine Renault...
€50.73€72.47Regular price-30% offPrice
Durite Silicone liaison conduit air turbo Megane 2 RS Durite visible sur le dessus du moteur
€14.22Price
Jeu de Bougies Renault (fabriqué par NGK) (Vendu par 4) pour Clio 16S
Produit d'origine Renault
€36.05Price