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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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Optimize the Performance and Reliability of Your Renault RS or Twingo RS with the Genuine Renault Valve Collet
Manufactured by Renault, this valve collet is specifically designed to meet the precise requirements of Renault RS and Twingo RS engines. It delivers OEM-quality, durability, and performance, making it the ideal choice for drivers seeking reliability and...
€5.53Price
The official Renault Sport set of 7 flywheel bolts (ref. 7711150582 ) is a high-performance fastening kit, essential for competition vehicles such as Renault Twingo R1 , R2 , Clio 2 X65 Cup , Clio R3 , Clio 3 X85 Cup , and Megane N4 . Designed for secure and...
€31.26Price
- Pack
Chaîne de pompe à huile Twingo R2 Référence: 8200397125
€15.90Price
- Pack
Canalisation alimentation carburant Megane 3 RS
€233.51Price
Pompe à essence Sytec Clio 3 RS (Compatible E85)
Montage...
€114.89Price
- 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
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
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
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
Soupape échappement Inconel F4R 30mm
Attention +1mm par rapport à l'origine
Head Diam: 30.00mm...
€52.42Price
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
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
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
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
- Pack
Support connecteur Cablage Twingo R2
Référence: 7711162734
€28.07Price
The original Renault intake valve is an essential part to optimize airflow in the engine of your Renault Twingo 2 RS . It guarantees optimal engine performance and efficient combustion. We ship worldwide.
€17.83Price
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
Cale admission porte injecteur Twingo R2 195/205
Référence: 7711167613
€693.23Price
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
En Stock
€81.02
€202.56
Regular price
-60% off
Price
En Stock
€81.02
€202.56
Regular price
-60% off
Price
Do not risk power loss and unstable idling on your Clio 2 RS . The Genuine Renault VVT Solenoid (Part Number 8200831629 ) is essential for the proper functioning of your 2.0L 16V F4R engine .
This genuine part guarantees the precise management of variable valve timing ,...
€81.02€202.56Regular price-60% offPrice
Support Alternateur et pompe de DA 7700273712
Produit destiné à la Clio 2 Cup Rally equipé de 1.6 16v
Ne convient pas au F4R
€164.00Price
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
Planche étiquette POWER BOX Twingo R2
Référence: 7711162629
€18.50Price
Demi-cône de soupape admission EVO 2013 Twingo R2
Référence: 7711167705
€3.55Price
KIT COMPETITION INTERCOOLER pour EVO1 pour Toyota Supra JZA80 MK4
Le refroidisseur intermédiaire haute performance WAGNERTUNING a un nouveau...
€1,480.00Price
