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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
Vis fixation pompe à huile Twingo 2 RS
Référence: 7703002771
€2.35Price
Canalisation alimentation carburant Megane 3 RS
€233.51Price
Bague fendue épaulée fixation axe alternateur Twingo 2 RS
Référence: 8200581348
€3.59Price
Genuine Renault Oil Pan (Ref: 111112011R) for Twingo 2 RS / R1 / R2 : Protect the heart of your engine. A damaged oil pan can lead to critical oil leaks. Discover the associated oil pan gasket and other products at the bottom of the page.
€197.46Price
- 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
Vis fixation carter huile longue Twingo 2 RS
Référence: 8200635080
€0.70Price
Pompe à essence Sytec Clio 3 RS (Compatible E85)
Montage...
€114.89Price
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
Ensure optimal fuel supply for your Renault Clio 4 RS with this genuine RENAULT fuel pump gauge module . Essential for reliable engine operation and accurate fuel level indication. Discover the compatible ring and seal kit for secure mounting at the bottom of the page.
€317.52Price
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
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
Demi-coussinet sup. ergoté / rainuré Clio R3 MAX (prix unitaire)
La photo représente 5 coussinets mais le prix est unitaire
€79.93Price
Forged Intake Valve – 28337-70856
The forged intake valve 28337-70856 is an engine component designed to control the entry of air, or the air-fuel mixture, into the combustion chamber. It...
€31.04Price
Ensure the perfect sealing and protection of your engine block with this genuine Renault core plug (freeze plug) with a 20.5mm diameter . This authentic part is essential during any engine rebuild to prevent coolant leaks.
Manufacturer reference: 7703075147 .
Precise 20.5mm...
€2.82Price
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
Soupape échappement Inconel F4R 30mm
Attention +1mm par rapport à l'origine
Head Diam: 30.00mm...
€52.42Price
Vis fixation traverse tableau de bord
Référence: 7703020026
€3.13Price
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
Vis fixation tableau de bord
Vis M5x080 - 17.5 auto tole
Référence: 7703026051
€2.80Price
Pompe à essence Sytec Clio 4 RS (Compatible E85)
Débit max: 390 L/H
Débit: 315 L/H à 3 Bar et 240 L:H à 5 Bar
Pression MAX: 10.5 Bar
€112.82Price
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
- Pack
Optimize the installation of your lubrication system with the genuine Renault oil jet installation tool. Designed for F4R engines in Renault Clio 2 & 3 RS and Megane 2 & 3 RS, this tool ensures a perfect fit and optimal precision, guaranteeing reliable and durable engine performance.
€137.94Price
Support electrovanne purge canister Megane 3 RS et N4
Référence: 8200929275
€7.72Price
Joint de flasque support bague de vilebrequin Twingo RS et Wind
Référence: 8200182129
€9.72Price
Support connecteur Cablage Twingo R2
Référence: 7711162734
€28.07Price
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