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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
- Pack
Chaîne de pompe à huile Twingo R2 Référence: 8200397125
€15.90Price
- New
- New
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Renault Hose Clamp
This Renault hose clamp is designed to secure a compatible hose in the vehicle. It helps maintain a reliable connection and reduce the risk of leaks at the hose joint.
Brand: Renault
Product type: Hose clamp
Application: ...
€5.26Price
Canalisation alimentation carburant Megane 3 RS
€233.51Price
Pompe à essence Sytec Clio 3 RS (Compatible E85)
Montage...
€114.89Price
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 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
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
Demi-coussinet sup. ergoté / rainuré Clio R3 MAX (prix unitaire)
La photo représente 5 coussinets mais le prix est unitaire
€79.93Price
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
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
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
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
Support connecteur Cablage Twingo R2
Référence: 7711162734
€28.07Price
Cale admission porte injecteur Twingo R2 195/205
Référence: 7711167613
€693.23Price
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
Demi-cône de soupape admission EVO 2013 Twingo R2
Référence: 7711167705
€3.55Price
Planche étiquette POWER BOX Twingo R2
Référence: 7711162629
€18.50Price
Support connecteur Cablage Megane 3 RS et N4
Référence: 242300002R
€34.04Price
- New
- New
Genuine Renault exhaust gas temperature sensor designed for compatible vehicles including the Renault Megane 4 RS and Alpine A110 .
An ideal replacement for a worn or faulty sensor, helping maintain accurate exhaust temperature monitoring and proper engine...
€118.80Price