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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
€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
Joint de culasse Twingo RS y compris R1 et R2
Référence: 8200356346
€69.52Price
Kit Comprenant une bombe de 75ml de nettoyant et une bombre de 75ml de graissant pour Filtre Pipercross
€20.71Price
This genuine Renault crankshaft bearing cap bolt is designed to ensure a solid and durable attachment of the crankshaft bearing in your engine. Precision-machined and manufactured to the highest standards, it ensures optimal performance and extends the lifespan of your engine.
€15.34Price
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
Véritable ressort de pompe à Huile de Clio Gr N.
Fournisseur d'époque
Convient à la Clio 16S, Clio Williams, 19 16S, Spider, Megane Coupé 2L 16s F7R
€24.00Price
Arbre à cames Admission Clio 2 RS
Véritable produit d'origine
€278.86Price
Sur commande ou en cours de réappro
€94.91
Price
Sur commande ou en cours de réappro
€94.91
Price
Renault Twingo 2 RS Connecting Rod Bearing Set (Original)
Original Renault connecting rod bearing set for Twingo 2 RS. Ensures the longevity and performance of your engine. Discover our compatible connecting rod bolts and oil pan gaskets at the bottom of the page.
€94.91Price
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
Joint de boitier papillon Megane 2 RS
Véritable produit d'origine
€8.40Price
Culasse avec soupapes Clio X85 R3 230cv
7711160276
€1,926.00Price
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
Démarreur échange standard Clio Gr N
Consigne de 25€ HT vous sera rendu à la récéption de l'ancienne matière
€226.32Price
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.
€259.00Price
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!
Sur commande ou en cours de réappro
€89.50
Price
Sur commande ou en cours de réappro
€89.50
Price
- Pack
- Pack
- Pack
Kit support moteur - BV Clio Gr N
composé uniquement des produits officiels RENAULT SPORT
€1,727.48Price
Support BV sur BV assemblé Megane N4
Composé du support, des 2 silenc bloc et de la vis
€834.54Price
- Pack
- Pack
Kit 3 supports moteur de Clio 2 RS 1, le kit comprend le support moteur supérieur, celui de la boîte de vitesse et celui au niveau de la barre stabilisatrice appelé OS ou Anti Cabrage. Ce dernier provient de la gamme standard de PORWERFLEX (25% plus rigide que l'origine) Supports moteur plus rigides et résistants qu'à l'origine, ce qui limite les mouvements du moteur.
Etant donné la...
€365.70Price
- Pack
- Pack
Kit 3 supports moteur de Clio 2 RS 1, le kit comprend le support moteur supérieur, celui de la boîte de vitesse et celui au niveau de la barre stabilisatrice appelé OS ou Anti Cabrage. Ce dernier provient de la gamme Black Series de PORWERFLEX (80% plus rigide que l'origine) Supports moteur plus rigides et résistants qu'à l'origine, ce qui limite les mouvements du moteur.
Etant donné...
€371.16Price
- Pack
- Pack
Kit 3 supports moteur de Clio 2 RS2/RS3, le kit comprend le support moteur supérieur, celui de la boîte de vitesse et celui au niveau de la barre stabilisatrice appelé OS ou Anti Cabrage. Ce dernier provient de la gamme standard de PORWERFLEX (25% plus rigide que l'origine) Supports moteur plus rigides et résistants qu'à l'origine, ce qui limite les mouvements du moteur.
Etant donné...
€372.32Price
- Pack
- Pack
Kit Supports Moteur renforcés de marque Vibra Technics comprenant: - Le support de boite gamme compétition - Le support coté alternateur gamme compétition - Le support arrière gamme compétition
€342.00€360.00Regular price-5% offPrice
- Pack
- Pack
Kit Supports Moteur renforcés de marque Vibra Technics comprenant: - Le support de boite - Le support coté alternateur - Le support arriere
€360.93€365.69Regular price-1.3% offPrice
Support Moteur Arriere Clio 2 X65 Cup Réference : 7711155160
€164.62Price
Sur commande ou en cours de réappro
€89.46
Price
Sur commande ou en cours de réappro
€89.46
Price
Support Biellette / Support Moteur Anti Cabrage Inferieur Megane 3 RS
€89.46Price
Support Moteur (partie metallique) 4eme point
€59.56Price
Sur commande ou en cours de réappro
€64.43
Price
Sur commande ou en cours de réappro
€64.43
Price
Axe renforcé pour support de boite Clio 16s/williams et Gr N
Référence: 7711126120
€64.43Price
Support boite avant gauche Twingo RS et R1
Référence: 7711167338
€122.99Price
- 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
Coiffe support moteur AVD renforcé Clio Gr N
Référence: 7711129601
€71.28Price
- New
- Pack
- New
- Pack
Do not risk oil film breakdown or oil pressure drop during extreme track sessions or racing. The Motul 300V Competition 5W50 Oil Change Kit (6 Liters) with Engine Flush cleaner is specially formulated to withstand extreme thermal stress and protect the rotating assembly of...
€124.90€130.72Regular price-€5.82 offPrice
- New
- Pack
- New
- Pack
Do not risk lubricant film breakdown or oil pressure drop during intensive Trackday sessions or rallying. The Motul 300V Competition 5W40 Oil Change Kit (6 Liters) with Engine Flush cleaner is specially formulated to absorb extreme heat and protect the engine mechanics of...
€124.90€130.72Regular price-€5.82 offPrice
Do not take any risks with the bottom end of your Cleon-Fonte engine . This genuine Renault connecting rod bolt nut is the only certified component to guarantee the critical hold of your rotating assembly. Specifically engineered for the Renault Super 5 GT Turbo , this fastener ensures maximum resistance against the extreme thermal and...
€8.81Price
Sur commande ou en cours de réappro
€239.74
Price
Sur commande ou en cours de réappro
€239.74
Price
Support biellette anti-couple sur moteur
Référence: 7711167023
€239.74Price
Sur commande ou en cours de réappro
€39.99
Price
Sur commande ou en cours de réappro
€39.99
Price
