My Cart
€0.00
Vis fixation carter huile longue Twingo 2 RS
Référence: 8200635080
€0.70Price
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 559 products.
Grid
Grid-2
List
List-2
Catelog
Active filters
- New
- New
Prevent boost pressure loss and safeguard your engine's performance with this genuine Renault turbo-to-manifold gasket for the Megane 4 RS (compatible with all trims: 280, 300, Trophy, Trophy-R). An essential sealing component engineered to stop high-temperature exhaust gas leaks and maintain...
€117.43Price
Short Oil Sump Mounting Bolt – Renault Twingo 2 RS
The short oil sump mounting bolt, reference 8200635079 , is a fastening component designed for the oil sump assembly of the Renault Twingo 2...
€0.70Price
Don't risk your engine's health with aftermarket parts. This genuine RENAULT coolant housing seal is specifically engineered for the Renault Megane 4 RS and Megane 4 GT . Essential when replacing your thermostat or the complete housing, it ensures a perfect seal for the cooling system, preventing critical leaks and...
€10.68Price
Don't let a micro-leak ruin your high-performance engine's efficiency. This genuine Renault turbo oil return O-ring guarantees absolute sealing where pressure and temperatures are most critical. Specifically engineered to withstand overheated hydrocarbons, it prevents lubricant loss, suspicious smoke, and major risks of turbocharger failure.
An OEM certified part,...
€8.77Price
8200438633
Original RENAULT SPORT Turbo Manifold – F4RT Performance and Sealing
Do not jeopardize the power and reliability of the F4RT engine in your Megane 2 RS or Megane 3 RS . This original RENAULT turbo...
€841.39Price
Renault Water Inlet Pipe Gasket (Clio 3 RS, Megane 2/3 RS, etc.) (Original)
Original Renault gasket for the water inlet pipe in the cylinder block, compatible with Clio 3 RS, Clio R3, Clio 3 X85 Cup, Megane 2 RS, Megane 3 RS, Megane N4. Ensures perfect sealing. Discover the compatible water inlet pipe at the bottom of the page.
€12.02Price
Vis fixation plénum sur collecteur Twingo 2 RS
Vis H embase M6-28 CL:8.8
Référence: 7703002662-7703002559-7707002022
€1.52Price
Restore the fierce factory performance of your engine with the Genuine Renault Brand-New Turbocharger for Clio 4 RS . This authentic factory-supplied turbocharger replaces a fatigued or failing unit perfectly, ensuring nominal boost pressure and absolute reliability. ...
€1,019.99Price
Vis H embase M6-19 CL:8.8
Pour fixation guide jauge (par exemple)
Référence: 7703002659-7703002660-7703008215-681988703R
€1.52Price
Silicone Coolant Hose Kit – Renault Clio 4 RS (11 Pieces)
11-piece silicone coolant hose kit designed for compatible Renault Clio 4 RS models. The kit is intended to replace the corresponding hoses in the engine cooling system. Check compatibility with your vehicle's engine and cooling system configuration before ordering.
€309.00Price
En Stock
€228.91
€457.81
Regular price
-50% off
Price
En Stock
€228.91
€457.81
Regular price
-50% off
Price
- On sale!
- On sale!
Do not risk a catastrophic engine overheat during your track day sessions, a blown cylinder head gasket while idling in heavy traffic, or permanent thermal destruction of your 2.0L Turbo F4Rt block. The genuine Moteur de Ventilateur ORIGINE (GMV) Renault Mégane 2 RS is the...
€228.91€457.81Regular price-50% offPrice
Vis fixation traverse tableau de bord
Référence: 7703020026
€3.13Price
Improve your engine's responsiveness with the Turbosmart Dual Port Kompact Dump Valve (ref. TS-0203-1057) for Renault Clio 4 RS . Designed to replace the factory plastic unit which is often prone to leaking, this high-performance valve ensures perfect boost management and delivers...
€308.40Price
Vis fixation tableau de bord
Vis M5x080 - 17.5 auto tole
Référence: 7703026051
€2.80Price
Improve your engine's responsiveness with the Turbosmart Kompact Shortie Dump Valve (ref. TS-0203-1308) for Renault Megane 3 RS . Designed to replace the factory plastic unit which is prone to leaking, this high-performance valve guarantees a perfect seal under high boost pressure and a sharper...
€235.91Price
Entretoise galet enrouleur courroie distribution Twingo 2 RS
Référence: 7700109369-119313155R
€4.27Price
Réservoir liquide de frein Megane 3 RS et N4
€28.57Price
Agrafe support sonde lambda Megane 3 RS et N4
Référence: 7703079452
€1.08Price
Support electrovanne purge canister Megane 3 RS et N4
Référence: 8200929275
€7.72Price
- Pack
Joint de flasque support bague de vilebrequin Twingo RS et Wind
Référence: 8200182129
€9.72Price
Ensure critical sealing in your lubrication circuit with this genuine Renault turbo oil return pipe (lower part) . Specifically designed for the F4Rt engines in the Renault Megane 2 RS and Megane 3 RS , this connector guarantees a smooth oil flow back to the sump. A certified manufacturer part ...
€106.16Price
COLD SIDE SEAL – JTCOLD
The cold side seal, reference JTCOLD , is a sealing component intended for use on the cold side of an air circuit. It helps provide an airtight connection between...
€10.02Price
Kit joint torique pour régulateur de pression de rampe
€13.08Price
Maintain the integrity of your lubrication system with this genuine RENAULT oil return pipe seal . Essential for your Mégane 2 RS or Mégane 3 RS , this component ensures the lubricant returns to the engine block without any loss. Do not risk a leak that could degrade your mechanical components or contaminate your...
€5.05Price
KIT COMPETITION INTERCOOLER pour EVO1 pour Toyota Supra JZA80 MK4
Le refroidisseur intermédiaire haute performance WAGNERTUNING a un nouveau...
€1,480.00Price
Maintien câblage boitier BSM Megane 3 RS et N4
€4.30Price
Joint d'échangeur (modine) d'huile Clio 3 RS
€14.36Price
Echangeur Wagner Compétition EVO2 Ford MUSTANG
Kit de mise à niveau du refroidisseur intermédiaire EVO 2 pour Ford Mustang 2.3l EcoBoost 2015+ (y compris le lifting) <br...
€790.00Price
En Stock
€421.38
Price
En Stock
€421.38
Price
Ensure optimal engine cooling for your Renault Clio 3 RS or Twingo RS with this genuine Renault cooling fan motor + blade assembly (GMV) . A key component of thermal management, it's essential for preventing overheating and maintaining your sports car's performance. Don't compromise your engine's health with a failing cooling system.
€421.38Price
Couvercle protection boitier éléctronique Megane 3 RS et N4
€25.51Price