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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
€2,930.00
Price
Sur commande ou en cours de réappro
€2,930.00
Price
Preserve the full power output of your twin-turbocharged engine with the Wagner Intercooler Kit for Porsche 991 Turbo and Turbo S . This high-performance cooling system features a significantly larger core volume compared to stock to drastically lower intake air temperatures...
€2,930.00Price
Sur commande ou en cours de réappro
€8.17
Price
Sur commande ou en cours de réappro
€8.17
Price
Sur commande ou en cours de réappro
€3.73
Price
Sur commande ou en cours de réappro
€3.73
Price
Vis de fixation cache moteur Clio 2 RS (coté bobine)
€3.73Price
Conduit air sortie vanne régulation Clio 4 RS
€43.46Price
Sur commande ou en cours de réappro
€151.46
€252.43
Regular price
-40% off
Price
Sur commande ou en cours de réappro
€151.46
€252.43
Regular price
-40% off
Price
Poulie damper Clio 2 RS Véritable produit d'origine
€151.46€252.43Regular price-40% offPrice
Durite Silicone liaison conduit air turbo Megane 2 RS Durite visible sur le dessus du moteur.
Non compatible avec les tubulures Forge
€17.40Price
Kit Ressorts de Wastegate forge Permet le remplacement des ressorts interne de la wastegate. En cas de grosses pressions il est necessaire de changer le ressort fournis de base.
€52.55Price
Sur commande ou en cours de réappro
€39.71
€52.94
Regular price
-25% off
Price
Sur commande ou en cours de réappro
€39.71
€52.94
Regular price
-25% off
Price
Ensure flawless engine sealing with this genuine Renault oil pan gasket . Specifically designed for the high-performance engines of the Renault Clio 2 RS , Clio 3 RS , and Megane 2/3 RS , it prevents oil seepage and maintains the vital oil pressure required for your sports...
€39.71€52.94Regular price-25% offPrice
Kit Comprenant une bombe de 75ml de nettoyant et une bombre de 75ml de graissant pour Filtre Pipercross
€20.71Price
Dump Valve with Fitting Kit – Renault Mégane 2 RS
This dump valve kit with installation hardware is designed for compatible Renault Mégane 2 RS models. It provides a solution for enthusiasts looking to upgrade the turbocharged engine's pressure-relief system, subject to vehicle compatibility.
€212.00Price
Jeu de 4 Fils de Bougies Magnecor pour Renault 5 Turbo 1 et Turbo 2
Remplace avantageusement le faisceau d'allumage d'origine.
Cable haute résistance grâce à une épaisseur de silicone les entourant plus importante.
Idéal pour les véhicules mixant les utilisations route et piste.
3 gammes selon la couleur:
Gamme bleue: 8 mm
Gamme Rouge: 8.5 mm
€110.93Price
Sur commande ou en cours de réappro
€9.31
Price
Sur commande ou en cours de réappro
€9.31
Price
Genuine Renault Oil Pump Fixing Screw for Clio 2 RS, Clio 2 Gr N, Clio 2 X65 Cup, Clio 3 RS, Clio R3, Clio 3 X85 Cup, Megane 2 RS, Megane 3 RS, Megane N4. Ensure optimal oil pump retention with this essential part.
Also discover the compatible oil pump for complete installation.
€9.31Price
Vis CHC M6-10 percée pour plombage Référence: 7711167196
€17.36Price
Bac à batterie solide et étanche en polypropylène,
livré avec couvercle et sangles de fermeture.
Dimensions :
34 cm longueur a la base
20 cm largeur a la base
25 cm de hauteur
42 cm de longueur au milieu
26 cm de largeur au milieu
€14.00Price
Sur commande ou en cours de réappro
€22.44
Price
Sur commande ou en cours de réappro
€22.44
Price
Prevent power-robbing boost leaks and safeguard your turbocharged engine against pressure drops with this high-grade Service Kit for Open Atmospheric Forge Motorsport Dump Valve . Engineered specifically to restore the internal air tightness of high-flow blow-off valves, this...
€22.44Price
Poulie Damper Rigide pour Clio 2 RS.
Poids: 530 Grs
Poulie avec 4 dents de large nécessitant une autre courroie que celle d'origine.
€154.22Price
Sur commande ou en cours de réappro
€151.27
€252.12
Regular price
-40% off
Price
Sur commande ou en cours de réappro
€151.27
€252.12
Regular price
-40% off
Price
Preserve the performance of your Megane 2 RS or Clio 3 RS with this original Renault timing belt kit. Including the belt, idler pulley, and tensioner pulley, this kit is essential for thorough maintenance. Don't risk costly engine failure. Also discover on this page the complete timing belt kit with accessory belt , camshaft plugs , and the...
€151.27€252.12Regular price-40% offPrice
Dump Valve Fermée de marque Forge Motorsport pour Clio 4 RS.
Kit comprenant toutes les pièces pour l'installation de cette Dump
Dump Valve fermée donc silencieuse.
Permet une meilleure réponse du turbo
Disponible en 3 Couleurs: Bleu , Noir, Rouge
€173.26Price
Pompe à essence gros Debit Clio 2 RS Pression max: 8 bars Débit: 287L/H
€95.00Price
Sur commande ou en cours de réappro
€69.90
Price
Sur commande ou en cours de réappro
€69.90
Price
Preserve the raw output of your high-revving, tuned engine with ELF HTX Chrono 10w60 synthetic motor oil in a 5L jug . This state-of-the-art 100% synthetic lubricant is specifically engineered for prestige and competition powerplants, guaranteeing outstanding oil film shear...
€69.90Price
Sur commande ou en cours de réappro
€2.20
Price
Sur commande ou en cours de réappro
€2.20
Price
The original Renault accelerator cable clip is an essential fastening part to ensure precise and reliable accelerator operation on your Renault Clio 2 RS , Clio 2 X65 Cup , or Clio 2 Gr N . Ensure a secure connection and optimal accelerator response with this original quality clip. We ship worldwide.
€2.20Price
Boost the reliability of your ignition system on your Renault Clio 2 RS 172 or 182 hp with this Magnecor reinforced ignition cable set . Designed for the most demanding environments, these cables ensure optimal high-voltage transmission to your spark plugs, eliminating power losses and misfires. Don't let a tired original wire set compromise your F4R engine's performance.
€180.04Price
Sur commande ou en cours de réappro
€46.10
Price
Sur commande ou en cours de réappro
€46.10
Price
Rallonge SAV Alternateur Formule Renault FR 2.0 Tatuus
€46.10Price
Demi bac à batterie pour batterie Braill 2618
€42.67Price
- On sale!
Durite Silicone permettant de remplacer la durite d'origine qui peut facilement se craquer.
Cette durite est celle qui va jusque qu'a la dump valve d'origine.
€40.50Price
Sur commande ou en cours de réappro
€38.30
Price
Sur commande ou en cours de réappro
€38.30
Price
Courroie d'accessoire Megane 3 RS et N4 pour montage avec poulie suppression Clim
Référence: 7711167284
€38.30Price
Joint de boitier papillon Megane 2 RS
Véritable produit d'origine
€8.40Price
