My Cart
€0.00
Tampon supérieur radiateur Clio 3 RS y compris R3 et X85 Cup
€7.96Price
Pensez à sélectionner votre vehicule pour limiter les resultats de recherche
Our Services
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.
Subcategory
View Left Column
There are 682 products.
Grid
Grid-2
List
List-2
Catelog
Active filters
Collier serrage inox (durite) diametre 20-32mm
Vendu à l'unité
€1.10Price
Vis de fixation galet enrouleur de distribution K4M
8200581340
€5.66Price
Bague étanchéité arbre à cames échappement Twingo RS, R1 et R2
€41.95Price
Vis de bielles ARP pour bielles PEC Wossner
€113.17Price
Conduite d'eau refroidissement Turbo pour Megane 2 RS
€345.64Price
AAC Echappement loi 278TR2E1 Twingo R2
Référence: 7711167673
€1,326.07Price
Linguet rouleau Clio 2 RS et Clio 3 RS y compris R3 et X85 Cup et Twingo RSVéritable produit d'origine
€90.76Price
Collier serrage inox (durite) diametre 25-40mm
Vendu à l'unité
€1.30Price
Piston équipé indice B (X=82.70) Clio 3 RS et X85 Cup
Piston d'origine
€133.56Price
Gicleur Piston 1-3 Clio 2 RS y compris Gr N et X65 Cup
€33.55Price
Collier serrage inox (durite) diametre 30-45mm
Vendu à l'unité
€1.37Price
Silent Bloc Powerflex Anti Cabrage Superieur pour Clio 3 RS Produit à inserieur en lieu et place du silent bloc d'origine
€39.82Price
Durite d'eau sortie de radiateur Twingo RS R1 et R2
Véritable produit d'origine
€82.45Price
Original RENAULT Piston Ring Set for Twingo 2 RS (for 1 piston)
Do not compromise the compression and power of your Twingo 2 RS engine. This original RENAULT piston...
€68.32Price
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
Joint de Culasse Clio 3 RS y compris Clio R3 et X85 Cup
Véritable produit d'origine
€89.65Price
Gicleur Piston 2-4 Clio 2 RS y compris Gr N et x65 Cup
€33.55Price
Collier serrage inox (durite) diametre 32-50mm
Vendu à l'unité
€1.36Price
Secure your engine block seal and guarantee the total reliability of your cooling circuit with these factory-spec Water Pump Fixing Bolts for the Renault Clio 2 RS, X65 Cup, and Group N . Engineered specifically for the naturally aspirated 2.0L 16V F4R engine, this high-grade...
€2.82Price
Collier serrage inox (durite) diametre 50-70mm
Vendu à l'unité
€1.84Price
Durite Sortie radiateur de chauffage Twingo RS R1 et R2
Véritable produit d'origine
€38.53Price
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
Axe 8-13 pompe à huile et pompe à eau
Référence: 7703035053
€1.33Price
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
Collier serrage inox (durite) diametre 60-80mm
Vendu à l'unité
€2.08Price
Pompe à eau avec joint Clio 4 RS
Véritable produit d'origine
€282.25Price
Kit colliers pour kit durites d'eau Forge Clio 2 RS
€31.01Price
Joint cuivre Ø14x20 ép:1mm Twingo R2
Référence: 7711050940
€3.98Price
Collier serrage inox (durite) diametre 8-12mm
Vendu à l'unité
€1.00Price
Optimize the performance of your Renault Twingo R2 EVO 195hp with this genuine RENAULT SPORT assembled cylinder head (ref. 7711167644). Supplied with valves, retainers, valve springs, rocker arms, and pushrods, this cylinder head is ready to be installed (camshafts not included). Guaranteed performance and reliability.
€8,104.62Price
Tuyau entrée d'eau Twingo RS y compris R1 et R2
€43.48Price
Jeu de segments pour piston origine Megane 3 RS
1 Jeu comprend le necessaire pour 1 piston
€116.83Price
Tuyau Flexible sonde pression Twingo R2
Référence: 7711160963
€98.71Price
Joint de tuyau d'entree d'eau.
Produit compatible pour Clio 2 RS, Twingo RS
€12.40Price
- New
- New
Genuine Renault mounting bolt sold individually, specifically designed to secure the timing side engine mount to the chassis. Essential to ensure perfect alignment of the engine block and prevent severe vibrations or hardware failure on your Renault Clio 2 RS or Clio 2 Group N race car.
€10.72Price
Sur commande ou en cours de réappro
€14.51
Price
Sur commande ou en cours de réappro
€14.51
Price
Sur commande ou en cours de réappro
€42.50
Price
Sur commande ou en cours de réappro
€42.50
Price
Sur commande ou en cours de réappro
€248.35
Price
Sur commande ou en cours de réappro
€248.35
Price
Protect your engine's integrity with this genuine RENAULT timing-side engine mount (hydro-elastic damper). Specifically engineered for the Renault Clio 4 RS , this essential component ensures optimal vibration dampening and rigorous stability for your 1.6 Turbo block. Don't let a sagging mount compromise your...
€248.35Price
