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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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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
Patte fixation support durites d'eau Megane 3 RS et N4
€6.37Price
Patte supérieure gauche fixation radiateur Twingo RS
€14.10Price
This Adapted Accessory Belt is a critical component for converting to an Air Conditioning Delete Kit on your Renault Mégane 4 RS . Its dimension is precisely defined to compensate for the removal of the AC compressor.
This superior quality belt is essential for...
€29.34Price
Genuine Renault Water Pump Inlet Hose for Renault Clio 3 RS, Megane 2 RS, and Megane 3 RS. Essential part for optimal engine cooling. Renault quality and reliability.
€81.02Price
This Specific Accessory Belt is an essential component when installing an Air Conditioning Delete Kit on your Alpine A110 . Its length is adjusted to bypass the air conditioning compressor that has been removed.
A high-quality part, it guarantees the correct...
€25.25Price
The Optimiz Access Specific Accessory Belt is the essential part required to finalize the installation of the A/C Delete Kit on your Renault Clio 4 RS . Due to the change in the path and distance between the pulleys following the removal of the air conditioning compressor, the original belt can...
€29.34Price
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
Don't risk a costly breakdown! This cooling hose for heater radiator inlet , an original Renault part , is specifically designed for your Renault Megane 3 RS .
It replaces the hose located at the engine...
€56.16Price
Modine (echangeur eau huile) Clio 16S et Williams
€343.21Price
En Stock
€126.80
€181.14
Regular price
-30% off
Price
En Stock
€126.80
€181.14
Regular price
-30% off
Price
GMV (Ventilateur) type chauffo Twingo RS et R1
Référence: 7711162740 - 8200066098
Egalement compatible avec d'autres motorisations
€126.80€181.14Regular price-30% offPrice
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
Demi coussinet rainurés jaune vilebrequin K4M 854
€11.53Price
Ecope supérieure de radiateur Clio R3 "MAXI"
Ref: 7711160688
€202.54Price
Vis de fixation poulie folle clim Clio 3 RS - Megane 2 RS - Megane 3 RS.
Vendue à l'unité - 3 Vis sont nécessaires
€2.34Price
The original Renault exhaust camshaft oil seal is an essential sealing part for your Renault Twingo RS, Twingo R1 , or Twingo R2 . It ensures a tight seal between the camshaft, cylinder head, and valve cover, preserving your engine's performance and reliability.
€16.92Price
Ensemble de joints nécéssaire au bon remontage du moteur de Clio 2 RS Véritable produit d'origine La photo ne comporte pas les joints spy d'arbres à cames mais ceux ci sont bien fournis
€224.35Price
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
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
Durites De reniflard Renforcées pour toutes Megane 2 RS. Produit de la marque Samco Sport Le kit est composé de 4 pièces.
€82.00Price
Bague étanchéité électrovanne de déphasage Twingo RS, R1 et R2
€17.09Price
Radiateur d'eau Megane 3 RS et N4
Référence: 7711167371
€347.72Price
Radiateur eau sans clim Twingo RS et R1 Référence: 7711162739
€223.27Price
Ensemble de joints nécessaire au bon remontage du moteur de Megane 3 RS
Véritable produit d'origine
€251.47Price
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
Fixation supérieure droite radiateur Twingo R2
€15.55Price
1/2 coussinet sup palier rouge Clio 2 RS Référence: 7700108715
€2.86Price
Kit de 11 Durites Silicones pour Super 5 GT Turbo Phase 2 Noir mat afin de rester dans l'esprit d'origine de la voiture Parfait pour une restoration
€279.71Price
Genuine Renault Radiator Outlet Water Hose for Renault Megane 3 RS. Essential part for optimal engine cooling. Renault quality and reliability.
€221.33Price
Safeguard the mechanical reliability and thermal efficiency of your high-performance engine with the Genuine Renault Sport Water Pump for F4R and F4Rt engines . This authentic factory replacement component is essential to ensure optimum coolant circulation under intense road...
€117.43Price
Support réservoir de refroidissement Twingo R2
€34.36Price
Kit Goujons de Vilebrequin renforcés ARP pour clio 2 RS / Megane 3 RS / Clio 3 RS
€197.06Price
Blue Crankshaft Half-Bearing Set
This blue crankshaft half-bearing set is designed for engine applications requiring compatible crankshaft bearing components. Before ordering, check the engine specification and the manufacturer's references to ensure correct fitment.
€70.25Price
Joint trama capteur pression huile Ø8.4x13.8 Clio 2 Cup X65
Référence : 7711065381
€0.23Price
Durite inférieure radiateur Clio 2 Cup
Référence: 7711155360
€689.93Price