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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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Culasse assemblée Megane 3 RS
Culasse neuve comprenant soupapes assemblées
€3,544.38Price
Sur commande ou en cours de réappro
€52.18
Price
Sur commande ou en cours de réappro
€52.18
Price
Tuyau vapeur huile décanteur répartiteur Megane 2 RS
€52.18Price
Coussinet de bielles Clio R3 MAX (prix unitaire)
La photo représente 4 coussinets mais le prix est unitaire
€79.93Price
Sur commande ou en cours de réappro
€34.98
Price
Sur commande ou en cours de réappro
€34.98
Price
Support bague joint Vilebrequin Twingo 2 RS y compris R1 et R2
€34.98Price
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The mechanical throttle body gasket is a crucial performance part for optimizing the engine operation of your Renault Clio R3 or Renault Clio 3 X85 Cup . Ensure flawless sealing and maintain the power of your competition vehicle with this high-quality replacement gasket.
€7.93Price
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The mechanical throttle body gasket is a quality part essential for optimizing the engine performance of your Renault Twingo R2 . Ensure perfect sealing and maintain the performance of your rally vehicle with this reliable replacement gasket.
€7.93Price
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Kit Distribution complet Clio 2 RS.
Kit comprenant exclusivement des produit d'origine Renault.
Le kit comprend:
- Les bouchons d'étanchéité Arbres à cames
- Le kit distribution
- Le kit accessoire
- La pompe à eau
- le kit joint spy de vilebrequin
- Le kit joint spy arbres à cames + vis de poulie
N'oubliez pas...
€587.14Price
Sur commande ou en cours de réappro
€73.00
Price
Sur commande ou en cours de réappro
€73.00
Price
Conduit d'air (durite) jonction boite à air / papillon Twingo 2 RS
€73.00Price
Sur commande ou en cours de réappro
€14.44
Price
Sur commande ou en cours de réappro
€14.44
Price
Ensure optimal lubrication for your Clio 2 RS 182, Clio 3 RS, or Megane 2 RS F4R engine with this genuine Renault oil sprayer (oil jet) for cylinders 2 and 4. Essential for reliability, this small component sprays oil under the pistons to cool and lubricate them. Don't take any risks with the health of your F4R engine.
€14.44Price
Sur commande ou en cours de réappro
€303.66
Price
Sur commande ou en cours de réappro
€303.66
Price
Maintain optimal intake pressure for your Mégane 3 RS ! Get this Genuine RENAULT Intake Hose , connecting the intercooler to the Sound Pipe . This crucial part includes the already fitted boost sensor (MAP sensor) , guaranteeing accurate pressure readings for your sports car's engine...
€303.66Price
Durite d'admission également appelée durite d'induction de Clio 4 RS. 2 Couleurs possibles: Rouge et Bleue
Uniquement compatible avec la version Euro 5 de la Clio 4 RS (à verifier sur la carte grise)
Non Compatible avec La trophy (voir nos autres produits)
€90.00Price
Sur commande ou en cours de réappro
€267.72
€382.45
Regular price
-30% off
Price
Sur commande ou en cours de réappro
€267.72
€382.45
Regular price
-30% off
Price
Embrayage Complet Origine Cio 3 RS toutes motorisations
€267.72€382.45Regular price-30% offPrice
Sur commande ou en cours de réappro
€461.26
Price
Sur commande ou en cours de réappro
€461.26
Price
Ecope Adm dynamique boitier filtre assemblée Twingo R2
Référence: 7711167592
€461.26Price
Kit distribution skfpour Clio 2 RS 182ch.
Le kit contient la courroie et les 3 galets
En cas de doute nous consulter.
€145.49Price
Durites D'admission Forge pour Clio 3 RS composé de 3 durites
€169.31Price
Moteur équipé Megane 3 RS et N4
Référence: 7711167356
Moteur Neuf F4R 874
€6,507.05Price
Joint de culasse Megane 3 RS et N4
Référence: 7711167279
€68.23Price
Sur commande ou en cours de réappro
€143.58
Price
Sur commande ou en cours de réappro
€143.58
Price
Choose genuine reliability with this Renault accessory kit for your Clio 3 RS . Composed of the pulley and accessory belt , it ensures the proper function of all essential components (water pump, alternator, A/C). Don't risk a belt snapping, which could immobilize your sports car and cause serious engine damage.
€143.58Price
Raccord Silicone droit diamètre 102 mm permettant la jonction entre la boite à air et la queue de carpe de la boite à air groupe A
Raccord d'une longueur de 10 cm
€12.00Price
Bidon de 2L de ELF FE 5W30
Huile Préconisé par Renault pour l'entretien de la Megane RS DCI
€45.00Price
The Renault Sport Gr N Camshaft Timing Pin (ref. 7711129736) is an official RENAULT SPORT part designed specifically for the Renault Clio 2 Gr N . Essential for precise camshaft timing, it ensures optimal performance. Optimiz Access is the exclusive distributor of official Renault Sport parts for this vehicle.
€147.42Price
Arbres à Cames Cat Cams pour Twingo 2 RS
Développé spécifiquement pour La Twingo 2 RS, ces arbres peuvent permettre d'obtenir un gain loin d'etre negligeable si el montage est accompagné d'une reprogrammation.
Gain qui apporte une grosse difference apres 4500 tours
€817.72Price
Sur commande ou en cours de réappro
€426.42
Price
Sur commande ou en cours de réappro
€426.42
Price
Kit Suppression Climatisation et Direction Assistée pour Clio 2 RS.
Kit complet permettant la suppression de la pompe de DA ainsi que la suppression de la climatisation
Permet un gain de poids considérable.
Le kit contient également un ensemble de poulies allégées
L'alternateur reste celui d'orgine.
Une modification ou un remplacement de la cremaillere de direction est necessaire
€426.42Price
Prevent boost control errors and physical hose degradation within your engine bay with the premium Forge Breather and Wastegate Silicone Hoses Megane 2 RS . Manufactured from high-tensile, multi-layer reinforced silicone, this kit directly replaces aging factory rubber lines...
€78.41Price