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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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Ensure reliable electrical power for your Renault Clio 3 RS , Renault Clio R3 , or Renault Clio 3 X85 Cup with this genuine RENAULT alternator . An essential component for the proper functioning of your sports vehicle. Find associated complementary products at the bottom of the page for optimal...
€546.20Price
Take zero risks on the track or in competition with this genuine Renault Sport emergency kill switch . An essential component of the electrical system for the Renault Megane N4 and Renault Twingo R2 , this emergency cutoff switch immediately cuts off power in the event of an incident to prevent electrical...
€20.30Price
Tuyau carburant entre coupling Goodridge et rampe Megane N4
Référence: 7711167090
€146.16Price
Collier serrage inox (durite) diametre 20-32mm
Vendu à l'unité
€1.10Price
Ensure absolute air tightness within your forced induction system with the Genuine Renault Turbo Outlet Air Duct Gasket . Specifically calibrated to withstand the high pressures of turbocharged engines, this official O-ring eliminates boost leaks between the turbocharger and...
€15.34Price
Collier serrage inox (durite) diametre 25-40mm
Vendu à l'unité
€1.30Price
Optimize your boost management with the Forge Motorsport Wastegate for Renault Clio 4 RS (reference FMACRTRCT ). This piston-actuated turbo actuator is designed to provide significantly higher pressure stability than the factory unit.
Essential for...
€266.00Price
Do not risk a fuel system failure mid-session. The Goodridge Tee to fuel rail hose is crucial for the reliability of your Clio 3 x85 Cup . Keeping a worn or inadequate hose directly exposes your engine to critical fuel starvation or severe leak risks. Permanently secure your injection system with this high-precision...
€69.56Price
Sur commande ou en cours de réappro
€407.03
Price
Sur commande ou en cours de réappro
€407.03
Price
Ensure an instantaneous start for your Renault Clio 4 RS (all phases) with this brand-new genuine Renault starter motor . Unlike remanufactured units, this 100% new product guarantees maximum reliability and increased longevity for your 1.6 Turbo engine. Don't risk an immobilizing breakdown—choose manufacturer...
€407.03Price
Sur commande ou en cours de réappro
€77.12
Price
Sur commande ou en cours de réappro
€77.12
Price
Do not let a minor electrical failure lead to a major breakdown. This genuine Renault power distribution box is a critical component of your Renault Megane 3 RS starting circuit. Integrating essential high-power fuses , specifically for the starter motor and alternator protection, it ensures secure energy management from your...
€77.12Price
Jauge pompe Clio 2 RS 1
Modele spécifique ayant le régulateur sur la pompe
€188.74Price
Sur commande ou en cours de réappro
€272.90
Price
Sur commande ou en cours de réappro
€272.90
Price
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
Sur commande ou en cours de réappro
€24.00
Price
Sur commande ou en cours de réappro
€24.00
Price
Tuyau nitrile GOODRIDGE DASH 6 (le m)
Le...
€24.00Price
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
Flexible à carburant Réservoir / Té Clio 3 Cup
Référence: 7711162421
€160.52Price
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
Buse de diffusion 0.5mm Clio 4 X98 Cup et R3T
Référence: 8201489621
€13.57Price
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
€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
Durite Silicone liaison conduit air turbo Megane 2 RS Durite visible sur le dessus du moteur.
Non compatible avec les tubulures Forge
€17.40Price
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
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
€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
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