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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
€9.30
Price
Sur commande ou en cours de réappro
€9.30
Price
Bouchon vidange moteur Megane 4 RS - Clio 4 RS -Alpine A110
€9.30Price
Sur commande ou en cours de réappro
€44.21
Price
Sur commande ou en cours de réappro
€44.21
Price
Do not risk irreversible engine failure due to poor lubrication, inaccurate oil level readings, or plastic fragments breaking off inside your oil pan. The genuine metal oil dipstick for the Renault Megane 2 RS and Clio 3 RS is the definitive solution to replace the fragile...
€44.21Price
Tonnelet 60L Motul 300V 15W50
MEILLEURE FIABILITÉ
<a class="acc-header active" href="https://www.motul.com/fr/fr/landings/new-300v#"...
€905.99Price
Sur commande ou en cours de réappro
€12.60
Price
Sur commande ou en cours de réappro
€12.60
Price
Joint de pompe à eau Clio 3 RS - Megane 2 RS - Megane 3 RS
€12.60Price
Buse de diffusion 0.5mm Clio 4 X98 Cup et R3T
Référence: 8201489621
€13.57Price
Porte filtre 200μ Clio 4 X98 R3T et Cup
Référence: 8201489625
€12.71Price
Sur commande ou en cours de réappro
€3.73
Price
Sur commande ou en cours de réappro
€3.73
Price
Vis de fixation cache moteur Clio 2 RS (coté bobine)
€3.73Price
Sur commande ou en cours de réappro
€151.46
€252.43
Regular price
-40% off
Price
Sur commande ou en cours de réappro
€151.46
€252.43
Regular price
-40% off
Price
Poulie damper Clio 2 RS Véritable produit d'origine
€151.46€252.43Regular price-40% offPrice
Sur commande ou en cours de réappro
€319.00
Price
Sur commande ou en cours de réappro
€319.00
Price
The Optimiz Access Mechanical A/C Delete Kit is the essential core component for lightening your sports vehicle. Designed specifically for the Renault Clio 4 RS , Renault Mégane 4 RS , and the Alpine A110 , this kit allows you to replace the A/C compressor with a high-quality fixed...
€319.00Price
Sur commande ou en cours de réappro
€384.00
Price
Sur commande ou en cours de réappro
€384.00
Price
Enhance the power-to-weight ratio of your Renault Clio 3 RS, Megane 2 RS, or Megane 3 RS with our complete AC delete kit. Replace the AC compressor with a smooth-running freewheel pulley, and enjoy noticeable weight reduction and improved engine responsiveness. Includes all necessary components, including the accessory belt.
€384.00Price
Sur commande ou en cours de réappro
€39.71
€52.94
Regular price
-25% off
Price
Sur commande ou en cours de réappro
€39.71
€52.94
Regular price
-25% off
Price
Ensure flawless engine sealing with this genuine Renault oil pan gasket . Specifically designed for the high-performance engines of the Renault Clio 2 RS , Clio 3 RS , and Megane 2/3 RS , it prevents oil seepage and maintains the vital oil pressure required for your sports...
€39.71€52.94Regular price-25% offPrice
Sur commande ou en cours de réappro
€151.27
€252.12
Regular price
-40% off
Price
Sur commande ou en cours de réappro
€151.27
€252.12
Regular price
-40% off
Price
Preserve the performance of your Megane 2 RS or Clio 3 RS with this original Renault timing belt kit. Including the belt, idler pulley, and tensioner pulley, this kit is essential for thorough maintenance. Don't risk costly engine failure. Also discover on this page the complete timing belt kit with accessory belt , camshaft plugs , and the...
€151.27€252.12Regular price-40% offPrice
Sur commande ou en cours de réappro
€486.00
Price
Sur commande ou en cours de réappro
€486.00
Price
Kit Suppression Climatisation avec poulies allégées pour Clio 2 RS.
Kit complet permettant la suppression de la climatisation et le remplacement des poulies par des poulies beaucoup plus légères
Permet un gain de poids considérable.
L'alternateur reste celui d'orgine.
Aucune pièce n'est à ajouté, le kit est complet.
€486.00Price
Sur commande ou en cours de réappro
€69.90
Price
Sur commande ou en cours de réappro
€69.90
Price
Preserve the raw output of your high-revving, tuned engine with ELF HTX Chrono 10w60 synthetic motor oil in a 5L jug . This state-of-the-art 100% synthetic lubricant is specifically engineered for prestige and competition powerplants, guaranteeing outstanding oil film shear...
€69.90Price
Cone Admission de marque BMC spécifique à la Mégane 3 RS
€126.35Price
Kit Comprenant une bombe de 75ml de nettoyant et une bombre de 75ml de graissant pour Filtre Pipercross
€20.71Price
Poulie Damper Rigide pour Clio 2 RS.
Poids: 530 Grs
Poulie avec 4 dents de large nécessitant une autre courroie que celle d'origine.
€154.22Price
Ce kit est spécialement conçu pour la Renault Clio 4 RS Turbo. Il comprend le tuyau de silicone conçu sur mesure combiné avec un haut débit filtre de cône non huilée en coton permettant une excellente filtration. Tout le nécessaire est fourni dans le kit, y compris les colliers en acier inoxydable de qualité. Ce kit a été testé et permet un gain jusque 4 chevaux; ce gain peut être amplifier...
€207.73Price
Sur commande ou en cours de réappro
€393.47
Price
Sur commande ou en cours de réappro
€393.47
Price
Optimize the weight and performance of your Renault Clio 2 RS with this AC delete kit. Designed to eliminate the AC compressor while retaining the alternator belt tension system, it offers significant weight savings and improved responsiveness.
€393.47Price
Poulie de vilebrequin (damper) rigide Clio 2 RS
€174.00Price
Démarreur échange standard Clio Gr N
Consigne de 25€ HT vous sera rendu à la récéption de l'ancienne matière
€226.32Price
Sur commande ou en cours de réappro
€16.00
Price
Sur commande ou en cours de réappro
€16.00
Price
Trompette / event pour boa (gaine) admission d'air diametre 76mm
€16.00Price
Collier serrage inox (durite) diametre 16-25mm
Vendu à l'unité
€1.00Price
Sur commande ou en cours de réappro
€38.30
Price
Sur commande ou en cours de réappro
€38.30
Price
Courroie d'accessoire Megane 3 RS et N4 pour montage avec poulie suppression Clim
Référence: 7711167284
€38.30Price
Sur commande ou en cours de réappro
€122.90
€245.81
Regular price
-50% off
Price
Sur commande ou en cours de réappro
€122.90
€245.81
Regular price
-50% off
Price
Kit distribution origine Twingo 2 RS
€122.90€245.81Regular price-50% offPrice
- On sale!
Plaque de Tablier Clio 2 Gr N Et Ragnotti
Plaque permettant de cloisonner correctement le compartiment moteur lors de la suppression de la climatisation
€149.00Price
Joint de boitier papillon Megane 2 RS
Véritable produit d'origine
€8.40Price
- New
- Pack
- New
- Pack
Do not risk a fatal oil pressure drop or bottom-end engine damage during endurance racing or extreme driving conditions. The Motul 300V Le Mans 20W60 Oil Change Kit (6 Liters) with Engine Flush cleaner is specially engineered to provide maximum mechanical strength and...
€124.90€130.72Regular price-€5.82 offPrice
- New
- Pack
- New
- Pack
Do not risk oil starvation, rod bearing failure, or total oil pressure loss during intense track sessions under extreme heat. The Motul 300V Competition 15W50 Oil Change Kit (6 Liters) with Engine Flush cleaner is specially formulated to deliver an unbreakable lubricant film...
€124.90€130.72Regular price-€5.82 offPrice
- New
- Pack
- New
- Pack
Do not risk hot oil film breakdown or mechanical component seizure during track sessions or rallying. The Motul 300V Competition 10W40 Oil Change Kit (6 Liters) with Engine Flush cleaner is specially engineered to provide ultra-stable oil pressure and protect the bottom end...
€124.90€130.72Regular price-€5.82 offPrice