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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
Pignon de vilebrequin claveté Twingo 2 RS y compris R1 et R2
€75.14Price
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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
Kit Admisssion Forge Motorsport Megane 4 RS
Produit developpé dans le but de
- Garder des temperatures d'admission interessantes et les plus basses possibles
- Ameliorer l'afflux d'air
- Ameliorer l'esthetique de la baie moteur
Apres de nombreux essais, les resultats obtenus sont
+ 15ch
Ce gain peut etre superieur en associant ce kit...
€361.00Price
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
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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
Upgrade conduit admission forge avec adaptateur Megane 4 RS.
Produit developpé pour supprimer la restriction d'origine de l'admission.
Bien qu'apportant deja un plus sur une voiture d'origine, ce produit a encore plus d'interet en cas de vehicule reprogrammé
€187.01Price
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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
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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
Régulateur pression gaz carter Clio 3 RS
€61.60Price
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 16mm bimaterial gasket provides a reliable and durable sealing solution, suitable for various industrial, automotive, and domestic applications . Made from robust materials, it ensures a precise fit, easy installation, and optimal performance even under demanding conditions such as high temperatures and pressures.
€3.00Price
Joint de décanteur Clio 2 RS et Clio 3 RS Joint se trouvant entre le décanteur et le plenum
€8.57Price
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Kit Vidange ELF SXR, filtre à huile Renault pour Clio 2 RS, Clio 3 RS et Megane 2 RS
€61.15€71.94Regular price-15% offPrice
En Stock
€10.57
€13.93
Regular price
-€3.36 off
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En Stock
€10.57
€13.93
Regular price
-€3.36 off
Price
Ensure vital engine sealing with this genuine Renault intake manifold gasket for the Clio 2 RS (172 and 182hp). This authentic component guarantees a perfect junction between the cylinder head and your manifold, preventing any parasitic air leaks that could degrade the performance of your F4R engine . Do not...
€10.57€13.93Regular price-€3.36 offPrice
Pièce empêchant le passage de la courroie d'accessoires dans la distribution Compatible avec Clio 2 RS, Clio 3 RS La mise en place sur Clio 2 nécessite une legere découpe du carter en plastique
Fourni sans les vis, veuillez consulter les produits associés en bas de page
€129.34Price
Collection Entrainement pompe à huile Clio 2 RS, Gr N et X65Cup
€54.25Price
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Ensure the longevity and performance of your Renault Megane 3 RS with our complete oil change kit . It includes 6 liters of ELF SRX 5W40 oil (the oil recommended by the manufacturer during vehicle development), a genuine Renault oil filter , and the drain plug gasket . Essential for optimal...
€63.30€74.47Regular price-15% offPrice
Kit Joint Spy Arbres à Cames + Vis de Poulie Kit indispensable pour proceder au changement de la distribution sur Clio 2 RS
€54.58Price
Protect the original powertrain of your automotive icon with ELF HTX Collection 20w50 mineral engine oil in a 5L jug . Specifically formulated for vintage mechanics and classic historic engines, this high-end formula guarantees consistent oil pressure and unmatched...
€63.62Price
Joint Plenum Clio 2 RS. Joint permettant de faire l’étanchéité entre le collecteur d'admission et le plenum Il est conseillé de le changer lors à chaque démontage et donc lors du retaillage de l'ensemble collecteur / plenum
€13.37Price
Bidon de 2L de ELF 700 ST 10W40 Huile Préconisé par Renault l'entretien de la gamme RS comprenant Clio 16S et Williams, Twingo RS, Clio RS, Megane RS..
€12.00Price
Kit distribution Renault pour Clio 1.8 16S Le kit contient la courroie et les 2 galets En cas de doute nous consulter.
€139.18€231.97Regular price-40% offPrice
Ensemble de joints nécessaire au bon remontage du moteur de Megane 3 RS
Véritable produit d'origine
€251.47Price
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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
Embrayage Complet Origine Clio RS toutes motorisations
€282.54Price
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
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
Huile moteur Total Quartz Racing 10w60
Produit préconisé par Renault sport pour la Mégane N4
Référence: 7711166390
Vendu en bidon de 1L
€15.42Price
Optimize the air intake of your Renault Twingo R2 (195/205hp) with this official RENAULT SPORT air filter housing diverter . Developed for competition, this part with reference 7711167591 is essential for maximizing airflow and ensuring maximum engine power across the entire operating range. An indispensable addition for engine performance .
€511.63Price
Vis de poulie de vilebrequin.
Convient pour Clio 2 RS, Clio 3 RS, Megane 2 RS
€25.14Price
An aged or damaged seal around the camshaft timing solenoid can lead to oil leaks and additional engine maintenance. The Renault camshaft dephaser solenoid oil seal (reference 7700106385) is designed to provide sealing at the solenoid mounting point on compatible variable...
€16.84Price
Cache bouchons arbres à cames moteur F4R Kit de 2 plaques de fermeture moteur 7711155481
€54.41Price
Don't accept any loss of performance for your Mégane 3 RS or Mégane N4 ! This strictly genuine Renault air/air intercooler is the cornerstone for maintaining your engine's power and reliability. Without it, your sports vehicle risks never reaching its full potential, especially in extreme conditions. Find complementary products at the bottom...
€493.96Price
Joint Collecteur Admission Clio 3 RS Joint permettant de faire l’étanchéité entre le moteur et le collecteur d'admission. Il est conseillé de le changer lors à chaque démontage
€12.50Price
Protect your engine block against catastrophic mechanical failure during structural timing belt overhauls with this professional RENAULT Camshaft Timing Tool . Specifically engineered to slot into the rear alignment grooves of Renault Sport twin-cam engines (covering F4R,...
€96.37Price
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
Tuyau de depression de diamètre 4mm. Sert généralement pour l'installation de Dump Valve. Prix au metre
€6.00Price
Renault Clio R3 Max Accessory Belt (128mm Pulley)
High-performance accessory belt for Renault Clio R3 Max with 128mm crankshaft pulley. Optimize your race Clio's transmission. Discover complementary products at the bottom of the page.
€28.80Price