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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
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
Sur commande ou en cours de réappro
€289.00
Price
Sur commande ou en cours de réappro
€289.00
Price
Do not take the risk of breakdown anymore! The reinforced silicone water hose kit for Renault Mégane 3 RS is the essential upgrade for your engine's reliability . Advantageously replacing the original rubber hoses, which are often prone to cracking or swelling under heavy use, these hoses are designed to...
€289.00Price
Sur commande ou en cours de réappro
€51.07
Price
Sur commande ou en cours de réappro
€51.07
Price
The original Renault black water temperature sensor is an essential part to ensure precise engine temperature control for your Renault Clio 3 RS , Renault Clio 3 X85 Cup , Renault Megane 3 RS , and Renault Megane N4 . It guarantees reliable information to optimize performance and prevent overheating. We ship...
€51.07Price
Sur commande ou en cours de réappro
€107.33
Price
Sur commande ou en cours de réappro
€107.33
Price
Tuyau entrée sortie radiateur de chauffage Megane 2 RS
€107.33Price
Sur commande ou en cours de réappro
€4.15
Price
Sur commande ou en cours de réappro
€4.15
Price
Optimize the Performance of Your Renault Clio 3 RS
Don't let a faulty upstream oxygen sensor compromise the optimal functioning of your Renault Clio 3 RS . This genuine Renault upstream oxygen sensor , also known as a lambda sensor , is essential for efficient combustion and controlled emissions. Please...
€289.19Price
- Pack
- Pack
- Pack
Ensemble fixation hélice GMV Clio 2 RS et Gr N
€8.28Price
- Pack
- Pack
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
€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
L’ensemble des résultats techniques liés à l’usage de l’hyper lubrification et à ses résultats sur un système en friction ont été mis en évidence en 2009 par le laboratoire ENSAM SERAM (lié à l’école nationale des ingénieurs des Arts et Métiers). Ont été mis en évidence les résultats de l’hyper lubrification Mécacyl sur :
‐ la diminution de la friction,
‐ la diminution de l’usure,
‐ la...
€29.50Price
Jeu de Bougies NGK (Vendu par 4) pour super 5 GT Turbo
Aussi Disponibles en bougies plus froides
€61.99Price
Joint de culasse Megane 3 RS et N4
Référence: 7711167279
€68.23Price
Vilebrequin allégé Clio R3 Maxi Evo Référence: 7711162505
€1,349.06Price
Original Renault Expansion Tank for Clio 3 RS - Optimal Cooling System Maintenance
Preserve the reliability of your Renault Clio 3 RS with this original Renault expansion tank. Ensures the correct coolant level for optimal engine operation. Also find related products at the bottom of this page.
€108.78Price
Sur commande ou en cours de réappro
€125.32
Price
Sur commande ou en cours de réappro
€125.32
Price
Bobine Allumage Clio 2 RS y compris gr n et X65 Cup
Véritable produit d'origine Renault
€125.32Price
Joint de capteur température d'eau Twingo R1 et R2
€5.77Price
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
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
€61.99
Price
Sur commande ou en cours de réappro
€61.99
Price
Jeu de Bougies NGK (Vendu par 4) pour super 5 GT Turbo
Bougies plus froides pour moteur préparé
€61.99Price
Galet enrouleur courroie distribution Twingo R2
8201058069
€39.60Price
Joint de Culasse Clio 2 RS et Gr N Véritable produit Renault
€89.09Price
Support de pompe à eau éléctrique Megane 2 RS
Produit d'origine
€60.83Price
Kit complet de durites d'eau Forge pour Megane 2 RS. Convient à toutes les Megane 2 RS 225ch, 230ch, R25, R26, R26R. Ce kit vient en lieu et place des durites d'origine et les remplacent avantageusement.
€416.76Price