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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
€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
€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
€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
Capteur température d'eau Clio 4 RS
Capteur se positionnant sur le boitier de sortie d'eau de la culasse
€117.79Price
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
€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
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
Sur commande ou en cours de réappro
€319.00
Price
Sur commande ou en cours de réappro
€319.00
Price
The Optimiz Access Mechanical A/C Delete Kit is the essential core component for lightening your sports vehicle. Designed specifically for the Renault Clio 4 RS , Renault Mégane 4 RS , and the Alpine A110 , this kit allows you to replace the A/C compressor with a high-quality fixed...
€319.00Price
Coiffe support moteur Clio 3 X85 Cup
Référence: 7711160011
€194.70Price
Sur commande ou en cours de réappro
€384.00
Price
Sur commande ou en cours de réappro
€384.00
Price
Enhance the power-to-weight ratio of your Renault Clio 3 RS, Megane 2 RS, or Megane 3 RS with our complete AC delete kit. Replace the AC compressor with a smooth-running freewheel pulley, and enjoy noticeable weight reduction and improved engine responsiveness. Includes all necessary components, including the accessory belt.
€384.00Price
Sur commande ou en cours de réappro
€24.89
Price
Sur commande ou en cours de réappro
€24.89
Price
Tuyau entrée dégazage Clio 3 RS y compris R3 et X85 Cup
€24.89Price
Sur commande ou en cours de réappro
€30.96
Price
Sur commande ou en cours de réappro
€30.96
Price
Ensure perfect sealing of your cooling system with this genuine Renault water housing gasket , specifically designed for plastic water housings on the Renault Twingo 2 RS . Prevent leaks and overheating with this original quality part.
€30.96Price
Ce kit est spécialement conçu pour la Renault Clio 4 RS Turbo. Il comprend le tuyau de silicone conçu sur mesure combiné avec un haut débit filtre de cône non huilée en coton permettant une excellente filtration. Tout le nécessaire est fourni dans le kit, y compris les colliers en acier inoxydable de qualité. Ce kit a été testé et permet un gain jusque 4 chevaux; ce gain peut être amplifier...
€207.73Price
Sur commande ou en cours de réappro
€15.61
Price
Sur commande ou en cours de réappro
€15.61
Price
Vis de fixation anti cabrage inférieur Clio 3 RS coté caisse
€15.61Price
Capteur Température d'eau Twingo R1 et R2
Référence: 7711162900
€39.94Price
Sur commande ou en cours de réappro
€393.47
Price
Sur commande ou en cours de réappro
€393.47
Price
Optimize the weight and performance of your Renault Clio 2 RS with this AC delete kit. Designed to eliminate the AC compressor while retaining the alternator belt tension system, it offers significant weight savings and improved responsiveness.
€393.47Price
Cone Admission de marque BMC spécifique à la Mégane 3 RS
€126.35Price
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
The original Renault blue water temperature sensor is an essential part to ensure precise engine temperature control for your Renault Clio 2 RS , Clio 2 GR N , Clio 2 X65 CUP , Clio 3 RS , Clio 3 X85 CUP , Megane 2 RS , Megane 3 RS , and Megane N4 ....
€57.26Price
Sur commande ou en cours de réappro
€486.00
Price
Sur commande ou en cours de réappro
€486.00
Price
Kit Suppression Climatisation avec poulies allégées pour Clio 2 RS.
Kit complet permettant la suppression de la climatisation et le remplacement des poulies par des poulies beaucoup plus légères
Permet un gain de poids considérable.
L'alternateur reste celui d'orgine.
Aucune pièce n'est à ajouté, le kit est complet.
€486.00Price
Plaque de Tablier Clio 2 Gr N Et Ragnotti
Plaque permettant de cloisonner correctement le compartiment moteur lors de la suppression de la climatisation
€149.00Price
Sur commande ou en cours de réappro
€72.00
Price
Sur commande ou en cours de réappro
€72.00
Price
Genuine Renault Coolant Reservoir (expansion tank) for Megane 3 RS. Ensure the proper functioning of your cooling system with this authentic part.
Also discover our compatible reservoir cap for a complete replacement.
€72.00Price
Poulie de vilebrequin (damper) rigide Clio 2 RS
€174.00Price
Collier serrage inox (durite) diametre 16-25mm
Vendu à l'unité
€1.00Price
Sur commande ou en cours de réappro
€29.50
Price
Sur commande ou en cours de réappro
€29.50
Price
Adaptateur sonde température d'eau 10x100 sur durite 28mm
€29.50Price
Sur commande ou en cours de réappro
€89.50
Price
Sur commande ou en cours de réappro
€89.50
Price
