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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
€9.30
Price
Sur commande ou en cours de réappro
€9.30
Price
Bouchon vidange moteur Megane 4 RS - Clio 4 RS -Alpine A110
€9.30Price
Sur commande ou en cours de réappro
€63.72
Price
Sur commande ou en cours de réappro
€63.72
Price
Stop letting excessive engine movement ruin your gear changes. The Powerflex Black Series Rear Central Anti-Squat Bush (reference PFF60-211K-BLK ) is the definitive solution to lock down your powertrain. Designed specifically for the Clio 2 RS, Clio 3 RS, and Twingo 2 RS , this reinforced mount eliminates...
€63.72Price
Sur commande ou en cours de réappro
€55.14
Price
Sur commande ou en cours de réappro
€55.14
Price
Don't risk sloppy gear shifts or damaged engine mounts under hard acceleration. The Powerflex Black Series rear lower engine mount insert kit (Reference: PFF60206K-BLK) locks down drivetrain movement on your Renault Clio 16S, Clio Williams, or Clio 2...
€55.14Price
Sur commande ou en cours de réappro
€87.15
€116.20
Regular price
-25% off
Price
Sur commande ou en cours de réappro
€87.15
€116.20
Regular price
-25% off
Price
Support Moteur ou Biellette Anti Cabrage Inferieure pour Megane 3 RS Pièce pouvant s'user rapidement lors de grosses sollicitations sur piste qui provoquent des claquements au passage des vitesses.
€87.15€116.20Regular price-25% offPrice
Sur commande ou en cours de réappro
€94.26
€134.65
Regular price
-30% off
Price
Sur commande ou en cours de réappro
€94.26
€134.65
Regular price
-30% off
Price
Restore stability to your engine block with this genuine Renault right-hand engine mount (timing belt side). Specifically designed for the Renault Megane 2 RS , this hydraulic mount is essential for filtering vibrations and maintaining the perfect alignment of your powertrain.
Certified genuine Renault...
€94.26€134.65Regular price-30% offPrice
Do not sacrifice safety for performance. The Forge Motorsport Adaptive Cruise Control (ACC) bracket is the essential solution for Audi RS3 models equipped with the Forge FMINT4 intercooler.
Perfect Compatibility : Developed exclusively for the FMINT4 intercooler. ...
€41.93Price
Support moteur renforcé Vibra Technics pour Megane 2 RS, Convient aux phase 1 et 2 Replace avantageusement les references d'origines suivantes: 8200338381 , 8200549046 , 8200044925 , 8200549237
€241.67Price
Sur commande ou en cours de réappro
€135.79
Price
Sur commande ou en cours de réappro
€135.79
Price
Support moteur anti cabrage inférieur Powerflex Jaune
Gamme prévue pour une utilisation routière
€135.79Price
Sur commande ou en cours de réappro
€44.21
Price
Sur commande ou en cours de réappro
€44.21
Price
Do not risk irreversible engine failure due to poor lubrication, inaccurate oil level readings, or plastic fragments breaking off inside your oil pan. The genuine metal oil dipstick for the Renault Megane 2 RS and Clio 3 RS is the definitive solution to replace the fragile...
€44.21Price
Sur commande ou en cours de réappro
€154.39
Price
Sur commande ou en cours de réappro
€154.39
Price
POWERFLEX Black Series Lower Engine Mount Anti-Torque - Clio 4 RS
80% increased rigidity for optimal track performance.
Improves stability and responsiveness of your Clio 4 RS in extreme conditions.
€154.39Price
Sur commande ou en cours de réappro
€1,390.00
Price
Sur commande ou en cours de réappro
€1,390.00
Price
Kit échangeur Wagner Tuning Toyota Yaris GR avec tubulure
L'intercooler hautes performances WAGNERTUNING dispose d'un nouveau type de filet de compétition (tube fin) aux dimensions <br style="color:#06142e;font-family:'Open Sans', Helvetica, Arial,...
€1,390.00Price
Tonnelet 60L Motul 300V 15W50
MEILLEURE FIABILITÉ
<a class="acc-header active" href="https://www.motul.com/fr/fr/landings/new-300v#"...
€905.99Price
Sur commande ou en cours de réappro
€140.36
Price
Sur commande ou en cours de réappro
€140.36
Price
Optimize the stability and responsiveness of your Renault Clio 4 RS with the POWERFLEX lower anti-roll engine mount (road range). Reduce excessive engine movements and traction loss. Enjoy more precise driving and optimized performance. Discover other POWERFLEX variations available in complementary products for complete customization.
€140.36Price
Sur commande ou en cours de réappro
€12.60
Price
Sur commande ou en cours de réappro
€12.60
Price
Joint de pompe à eau Clio 3 RS - Megane 2 RS - Megane 3 RS
€12.60Price
Patte tirant Anti glissement Clio 2 RS et Gr N
€15.46Price
Sur commande ou en cours de réappro
€12.91
Price
Sur commande ou en cours de réappro
€12.91
Price
Secure your transmission with this genuine Renault mounting bolt , a critical component ensuring the connection between the lower dogbone engine mount and the gearbox . Specifically engineered for the high-stress demands of the Renault Clio 2 RS and Twingo 2 RS , it guarantees...
€12.91Price
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
€10.88
Price
Sur commande ou en cours de réappro
€10.88
Price
Don't gamble with your engine's stability. This genuine RENAULT M10x150 bolt is the critical mounting component for your Renault Clio 3 RS (engine mount cover) or Megane 3 RS (lower torque link support). Using uncertified or worn-out hardware on these high-stress points means exposing your mechanicals to destructive vibrations and potential...
€10.88Price
Buse de diffusion 0.5mm Clio 4 X98 Cup et R3T
Référence: 8201489621
€13.57Price
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
Porte filtre 200μ Clio 4 X98 R3T et Cup
Référence: 8201489625
€12.71Price
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
Vis CHC M10-100 cl:12.9 Twingo R2
Référence: 0011160552
€9.44Price
Sur commande ou en cours de réappro
€15.53
Price
Sur commande ou en cours de réappro
€15.53
Price
Do not compromise your chassis rigidity or drivetrain stability with stretched or corroded hardware. This genuine Renault M10x150 bolt is the certified essential part for securing the rear axle mounting bracket to the body or for fastening the gearbox mount to the chassis on your Renault Clio 3 RS , Clio R3 ,...
€15.53Price
Vis M10 Clio X85 Cup servant a fixer le support sur le moteur
Référence: 7703033029
€14.06Price
Coiffe support moteur Clio 3 X85 Cup
Référence: 7711160011
€194.70Price
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 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
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
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
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
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
