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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 a perfect seal for your engine's ventilation system with this genuine Renault oil decanter gasket . Essential for your Renault Clio 2 RS (excluding Phase 1), Clio 3 RS, Megane 2 RS, or Megane 3 RS , it prevents oil leaks, excessive consumption, and circuit clogging. Don't let a faulty gasket compromise the cleanliness and performance of your sports engine.
€39.17Price
Camshaft timing solenoid valve designed for the Renault Twingo 2 RS , including Twingo R1 and Twingo R2 competition versions. It plays an important role in controlling the engine's variable camshaft timing system.
Suitable for replacing a worn or faulty...
€134.58Price
Kit joint torique pour régulateur de pression de rampe
€13.08Price
Ensure perfect electrical conductivity with this genuine Renault positive battery terminal . Specifically designed for the Renault Megane 3 RS and Megane N4 , this battery clamp guarantees reliable starting and a stable power supply for your onboard electronic equipment, even under intensive use.
...
€10.58Price
Protect the lower F4R engine of your Clio 2 RS 182, Clio 3 RS, or Megane 2 RS with this genuine Renault oil sprayer (oil jet) for cylinders 1 and 3. A critical component for piston cooling and lubrication, it guarantees the reliability and longevity of your engine. Don't neglect the protection of your F4R.
€14.65Price
Pignon de vilebrequin claveté Twingo 2 RS y compris R1 et R2
€75.14Price
Bouchon de répartiteur d'admission Clio 3 RS
€32.09Price
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Kit Vidange Motul 300V comprenant 3 bidons de 2 Litres d'huile Motul 300V 5w40, 1 filtre à huile de marque Purflux et 1 joint bi matière de 16mm
€122.26€131.47Regular price-7% offPrice
Câble alimentation protection batterie Megane 3 RS et N4
€96.72Price
Plaque de reniflard taillé massé venant en lieu et place de la plaque d'origine
Ajout un raccord Dash permettant de venir connecter directement un recuperateur de vapeur d'huile.
Cette piece est un serieux atout pour les véhicules ayant modifié le collecteur d'admission d'origine.
Produit a completer avec un joint Loctite 5980.
€178.20Price
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€126.80
€181.14
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En Stock
€126.80
€181.14
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-30% off
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GMV (Ventilateur) type chauffo Twingo RS et R1
Référence: 7711162740 - 8200066098
Egalement compatible avec d'autres motorisations
€126.80€181.14Regular price-30% offPrice
Demi coussinet rainurés jaune vilebrequin K4M 854
€11.53Price
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Kit Vidange Motul 300V comprenant 3 bidons de 2 Litres d'huile Motul 300V 15w50, 1 filtre à huile de marque Purflux et 1 joint bi matière de 16mm
€127.52€131.47Regular price-3% offPrice
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Kit Vidange Motul 300V comprenant 3 bidons de 2 Litres d'huile Motul 300V 10w40, 1 filtre à huile de marque Purflux et 1 joint bi matière de 16mm
€127.52€131.47Regular price-3% offPrice
Fuel injection rail Renault Clio 2 RS Phase 2 & 3
Give your Renault Clio 2 RS Phase 2 or 3 an optimum fuel supply with the genuine Renault injection rail!
Designed for sports driving enthusiasts, this rail guarantees a constant and precise fuel flow, even at high engine speeds, for optimum performance and an unrivalled driving experience.
...
€32.92Price
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Kit Vidange Motul 300V comprenant 3 bidons de 2 Litres d'huile Motul 300V 5w40, 1 filtre à huile de marque Renault et 1 joint bi matière de 16mm
€121.94€134.00Regular price-9% offPrice
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Kit Vidange Elf Evolution SXR comprenant 3 bidons de 2 Litres d'huile Elf Evolution SXR 5w40 (préconisation Constructeur), 1 filtre à huile Renault et 1 joint de vidange
€67.23€74.70Regular price-10% offPrice
The original Renault crankshaft oil seal, timing side is an essential part to ensure crankshaft sealing in the engines of your Renault Clio 2 RS , Clio 2 GR N , Clio 2 X65 Cup , Clio 3 RS , Clio R3 , Clio 3 X85 Cup , Mégane 2 RS , Mégane 3 RS , and...
€43.02Price
Camshaft Phasing Solenoid Valve : genuine RENAULT part essential for the proper function and engine performance of your Renault Clio 3 RS Phase 2 and Renault Megane 3 RS . A faulty component leads to power loss and unstable idling. Ensures optimal...
€202.56Price
Renault Type D Coolant – 5 L
The Renault GLACEOL RX Type D coolant in a 5-litre container is an engine cooling fluid designed for compatible Renault vehicles. It helps regulate engine...
€22.74Price
1/2 coussinet inf palier rouge Clio 2 RS Référence: 7700108709
€3.07Price
En Stock
€39.99
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En Stock
€39.99
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Motul 300V Competition Engine Oil 5W40 2L - Ultimate Performance for Racing
Don't let your competition vehicle's performance be compromised. engine oil is the ultimate choice for maximum protection and unmatched track performance. Specifically developed formula for extreme racing demands. 2-liter can.
Also discover our...
€39.99Price
Ensemble de vis de culasse pour Clio 3 RS, Megane 2 RS, Megane 3 RS, Clio 2 RS et Megane 2 RS Véritable produit d'origine
€112.69Price
Avoid exhaust gas leaks and loss of sealing at the exhaust manifold of your Renault Twingo 2 RS . This exhaust manifold gasket is designed for the 1.6 16V K4M engine and is suitable for sporting applications including the...
€20.80Price
Boîtier électronique F4R 730
Référence: 7711129391
€372.01Price
Renault Sport and Alpine Engine Drain Plug Seal
The engine drain plug seal , reference 1102601M02 , is a sealing component used at the engine oil drain...
€2.92Price
Huile moteur HTX 3823 0W20 4L Référence: 7711167580
€90.50€120.66Regular price-25% offPrice
Poulie de déphasage
Veritable Produit Renault vendu dans sa boite
€197.06Price
Ensure the longevity of your bottom end with this genuine Renault crankshaft thrust washer pair . Featuring a precise thickness of 2.3 mm , these thrust bearings are essential for controlling crankshaft end play on F7R and F4R engines. A certified OEM part for Clio Williams, Clio 2 RS, Clio 3 RS, and...
€43.51Price
1/2 coussinet inf palier bleu Clio 2 RS
Référence: 7700108710
€3.61Price
Protect your bottom end assembly against high-RPM failure with this premium Uprated ARP Rod Bolts Kit for Renault Clio 16S, Williams, Clio 2 3 RS, and Megane 2 3 RS , commercialized under the international part number ARP-216-6301 . Forged from premium ARP...
€122.00Price
Ensemble de joints nécéssaire au bon remontage du moteur de Clio 3 RS
Véritable produit d'origine
€198.25Price
Coussinet de vilebrequin trimetal Coussinets pour F7P, F7R, F4R, F4R soit pour Clio 16S, Williams, clio 2 RS, Clio 3 RS, Megane 2 RS, Megane 3 RS Présence d'ergots.
€66.48Price
Clip maintien support linguet Twingo R2 195/205
Référence: 7711167614
€3.16Price
