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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
Genuine Renault Radiator Outlet Water Hose for Renault Megane 3 RS. Essential part for optimal engine cooling. Renault quality and reliability.
€221.33Price
Embrayage Complet Origine Clio RS toutes motorisations
€282.54Price
En Stock
€158.84
€252.12
Regular price
-37% off
Price
En Stock
€158.84
€252.12
Regular price
-37% off
Price
Ensure your engine's longevity with this genuine RENAULT timing belt kit , engineered for the high-performance demands of the Renault Clio 2 RS , as well as Group N and X65 Cup racing versions. This complete pack guarantees maintenance that meets Renault Sport standards.
...
€158.84€252.12Regular price-37% offPrice
Durite inférieure radiateur Clio 2 Cup
Référence: 7711155360
€689.93Price
- Pack
- Pack
Kit Vidange Elf Evolution SXR comprenant 3 bidons de 2 Litres d'huile Elf Evolution SXR 5w40 (préconisation Constructeur), 1 filtre à huile Renault et 1 joint de vidange
€67.23€74.70Regular price-10% offPrice
Pièce empêchant le passage de la courroie d'accessoires dans la distribution Compatible avec Clio 2 RS, Clio 3 RS La mise en place sur Clio 2 nécessite une legere découpe du carter en plastique
Fourni sans les vis, veuillez consulter les produits associés en bas de page
€129.34Price
En Stock
€19.30
€25.79
Regular price
-€6.49 off
Price
En Stock
€19.30
€25.79
Regular price
-€6.49 off
Price
Don't risk an unexpected breakdown! This summary concerns the Genuine RENAULT Accessory Belt for the Renault Twingo 2 RS and Renault Wind 1.6 16v models. This is an essential part for the smooth running of your sports engine. Failing to replace it in time risks costly damage.
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€19.30€25.79Regular price-€6.49 offPrice
Vis de poulie de vilebrequin.
Convient pour Clio 2 RS, Clio 3 RS, Megane 2 RS
€25.14Price
Bidon de 2L de ELF 700 ST 10W40 Huile Préconisé par Renault l'entretien de la gamme RS comprenant Clio 16S et Williams, Twingo RS, Clio RS, Megane RS..
€12.00Price
Kit complet de durites d'eau pour Clio 3 RS.
Convient à toutes les Clio 3 RS
Ce kit vient en lieu et place des durites d'origine et les remplacent avantageusement.
€445.18Price
Genuine Renault Crankshaft Sprocket - Multi-RS Models
Ensure the performance and reliability of your engine with this genuine Renault crankshaft sprocket. Compatible with Clio 2 RS, Clio 3 RS, Megane 2/3 RS and competition models. Essential part for timing adjustment.
€74.21Price
Boitier sortie eau sans calorstat Twingo R1 R2
Référence: 7711162845
€83.39Price
The Renault Sport water hose (ref. 7711154249 ) is an essential part to ensure optimal coolant circulation between the water/oil heat exchanger and the radiator of your Renault Clio 2 X65 Cup . It guarantees a stable engine temperature and optimal performance.
€77.62Price
Protect your engine block against catastrophic mechanical failure during structural timing belt overhauls with this professional RENAULT Camshaft Timing Tool . Specifically engineered to slot into the rear alignment grooves of Renault Sport twin-cam engines (covering F4R,...
€96.37Price
Camshaft Exhaust End Sealing Plug – Renault
The Renault camshaft sealing plug, reference 7700274026 , is an engine component designed to seal an opening in the cylinder head. It helps maintain...
€10.03Price
Do not risk major engine failure on your sports car. This genuine RENAULT expansion tank is the only certified part capable of maintaining the exact pressure of your cooling circuit. Specially designed for the Renault Clio 2 RS (all phases, including Jean Ragnotti, Clio RS1, RS2, 172, and 182), this coolant reservoir replaces your porous, yellowed, or...
€116.83Price
Collier serrage inox (durite) diametre 60-80mm
Vendu à l'unité
€2.08Price
Joint Spy Vilebrequin Twingo RS y compris R1 et R2
Référence: 770086072
€27.31Price
Bouchon de culasse et notice Twingo R2
Référence: 7711162853
€7.22Price
Kit colliers pour kit durites d'eau Forge Clio 2 RS
€31.01Price
Kit joints spy et ecrous poulies arbre à cames Megane 2 RS
Véritable produit d'origine
€49.33Price
Preserve your engine's integrity with this genuine Renault oil filter . Specifically engineered for the high-performance engines found in the Renault Clio 4 RS (1.6 Turbo), Renault Megane 4 RS , and Alpine A110 (1.8 Turbo), this filter guarantees optimal removal of impurities.
...
€11.34Price
Collier serrage inox (durite) diametre 8-12mm
Vendu à l'unité
€1.00Price
Don't let a heavy and power-consuming air conditioning compressor hold back the performance of your Renault Twingo 2 RS . This genuine Renault accessory bracket is the official solution for a reliable AC delete . Specifically designed for the K4M RS engine , it allows for significant weight reduction and improved engine...
€217.02Price
The Renault Oil Separator Seal is an original part designed to ensure the oil separator's sealing. Compatible with the Renault Clio 2 RS , Clio 2 Gr N , Clio 2 X65 Cup , and their rally/circuit versions, it is essential for proper engine function. Important: Verify your oil separator's shape, as two mounting...
€35.80Price
Joint de cloison de chauffage Clio 2 RS
Référence: 8200085034
€54.11Price
Tuyau entrée d'eau Twingo RS y compris R1 et R2
€43.48Price
Joint de Culasse Clio 3 RS y compris Clio R3 et X85 Cup
Véritable produit d'origine
€89.65Price
Ensure optimal thermal regulation for your Renault Megane 3 RS with this genuine Renault thermostat . With an opening temperature of 83°C , it is the key part to ensure your engine runs at the ideal temperature, preventing both overheating and undercooling. Don't compromise the health of your F4R engine.
€82.24Price
Collier serrage inox (durite) diametre 12-20mm
Vendu à l'unité
€1.00Price
Joint de tuyau d'entree d'eau.
Produit compatible pour Clio 2 RS, Twingo RS
€12.40Price
Tampon inférieur radiateur Clio 3 RS y compris R3 et X85 Cup
€7.19Price
Vis de fixation de poulie de vilebrequin (damper) Clio 2 RS
€20.00Price
Galet tendeur accessoire Megane 3 RS
Véritable produit d'origine
€110.08Price
Bouchon de vidange carter d'huile moteur
Produit compatible pour Clio 2 RS, Clio 3 RS, Megane 2 RS et Megane 3 RS
€4.37Price
Optimize your engine's cooling with this high-performance water radiator designed for demanding powerplants. Whether you own a standard Clio 3 RS or a competition version like the Clio R3 or Twingo R2 , this component is...
€243.60Price
Tampon supérieur radiateur Clio 3 RS y compris R3 et X85 Cup
€7.96Price