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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
€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
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 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
The Renault oil dipstick guide is an original part designed to ensure accurate measurement of the engine oil level on the Renault Clio 3 RS models. It ensures easy and reliable use of the oil dipstick.
€73.04Price
Sur commande ou en cours de réappro
€89.17
€148.62
Regular price
-40% off
Price
Sur commande ou en cours de réappro
€89.17
€148.62
Regular price
-40% off
Price
Original Renault Accessory Belt Tensioner for Megane 4 GT/RS & Alpine A110
Preserve the performance and reliability of your Renault Megane 4 GT 205, Renault Megane 4 RS, or Alpine A110 with this original Renault accessory belt tensioner. An essential component for the proper functioning of your engine accessories. You can also find the compatible accessory belt at the...
€89.17€148.62Regular price-40% offPrice
Sur commande ou en cours de réappro
€58.79
Price
Sur commande ou en cours de réappro
€58.79
Price
Eliminate excessive engine movement in your Renault Twingo 2 RS . This timing side engine mount is a part of equivalent quality to the original that mounts directly in place. Crucial for handling and the precision of gear changes , it absorbs vibrations and keeps the K4M RS block positioned, thus ensuring better mechanical...
€58.79Price
Support moteur sur moteur Megane N4
Référence: 7711167026
€496.94Price
Biellette anti-couple semi rigide Clio Gr N 7711129672
€223.20Price
Biellette arriere reprise de couple Clio GrN 7711129458
€103.60Price
Sur commande ou en cours de réappro
€365.15
Price
Sur commande ou en cours de réappro
€365.15
Price
Support Moteur av droit élastique modifié Clio Gr N 7711129583
€365.15Price
Sur commande ou en cours de réappro
€23.08
Price
Sur commande ou en cours de réappro
€23.08
Price
Do not take any risks when replacing your timing belt kit. Without this genuine Renault crankshaft locking pin , you expose yourself to irreversible engine damage on your Clio 16S or Williams . Specifically designed for the F7P and F7R engines , it ensures a precise Top Dead Center (TDC) for a safe intervention. An indispensable...
€23.08Price
Tampon Elastique servant de silent bloc au support de boite sur la Megane 2 RS DCI
€58.85Price
Entretoise barre d'appui GT TURBO
Vient se placer entre le bloc et la barre d'appui
€3.29Price
Sur commande ou en cours de réappro
€39.15
€52.20
Regular price
-25% off
Price
Sur commande ou en cours de réappro
€39.15
€52.20
Regular price
-25% off
Price
Stabilize your transmission with this genuine Renault gearbox mount silent block . Specifically designed for the Renault Megane 2 RS and the Renault Clio 3 RS , this crucial component absorbs vibrations and guarantees precise gear shifting during high-performance driving.
Certified genuine...
€39.15€52.20Regular price-25% offPrice
Sur commande ou en cours de réappro
€95.26
Price
Sur commande ou en cours de réappro
€95.26
Price
Biellette Superieure Anti Cabrage inf Megane 2 RS DCI
Biellette Anti couple
€95.26Price
Support Moteur pour Megane 2 RS DCI
Pièces d'origine fourni dans son emballage d'origine
Se montent bien entendu en lieu de place
€184.99Price
Joint Spy AAC Admission Clio 3 RS - Megane 3 RS
€24.13Price
- Pack
- Pack
Kit Distribution complet Clio 2 RS.
Kit comprenant exclusivement des produit d'origine Renault hormis le joint spy de poulie de déphasage
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...
€605.42Price
Support boite (tampon élastique) pour Clio 16S et Williams
€95.00Price
