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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
€46.10
Price
Sur commande ou en cours de réappro
€46.10
Price
Rallonge SAV Alternateur Formule Renault FR 2.0 Tatuus
€46.10Price
Épingle d’arrêt câble d'accélérateur Twingo R2
€3.42Price
Vis M6-16 de support d’arrêt de gaine Twingo R2
€0.91Price
Collier serrage inox (durite) diametre 16-25mm
Vendu à l'unité
€1.00Price
Poulie de vilebrequin (damper) rigide Clio 2 RS
€174.00Price
Sur commande ou en cours de réappro
€417.56
€695.94
Regular price
-40% off
Price
Sur commande ou en cours de réappro
€417.56
€695.94
Regular price
-40% off
Price
Do you own a Renault Clio 4 RS and refuse to compromise on your engine's performance? This Throttle Body , manufacturer reference 161207645R , is a genuine RENAULT original part . It is the key element for ensuring precise and rapid airflow management and maintaining the legendary responsiveness of your sports vehicle. Do not...
€417.56€695.94Regular price-40% offPrice
Sur commande ou en cours de réappro
€569.18
Price
Sur commande ou en cours de réappro
€569.18
Price
Looking to regain the responsiveness and original performance of your Renault Clio 2 RS Phase 1 , Clio 2 Group N , or Clio 2 X65 Cup ? This remanufactured 60mm mechanical throttle body is designed for direct, bolt-on replacement of your original equipment. Essential for optimal air intake and to prevent any power loss, don't let a worn throttle body hinder the...
€569.18Price
Sur commande ou en cours de réappro
€110.82
Price
Sur commande ou en cours de réappro
€110.82
Price
Genuine Renault Fuel Pressure Regulator for Megane 3 RS and Megane N4. Ensure optimal fuel supply with this high-quality regulator.
Don't forget the retaining clip for secure installation.
€110.82Price
Sur commande ou en cours de réappro
€19.87
Price
Sur commande ou en cours de réappro
€19.87
Price
Tuyau nitrile GOODRIDGE DASH 6 (le m)
Le...
€19.87Price
Genuine Renault Fuel Supply Pipe for Clio 4 RS. Ensure optimal fuel supply with this high-quality rigid pipe.
€73.75Price
Tuyau alimention essence Clio 3 RS
Tuyau arrivée à la rampe
€219.88Price
Pédale (avec capteur) Clio 3 RS
Attention 2 types de connecteurs existent, merci de controler la compatibilité avec votre véhicule
€214.14Price
Kit goujons et écrous fixation bobines pour Clio 3 RS Megane 2 RS et Megane 3 RS comprenant 4 goujons et 4 écrous le tout en inox.
Le filetage présent sur le couvre culasse peut être endommagé suite à la répétition du montage/démontage des bobines, nous vous proposons de remplacer les vis par un système de goujons et écrous. Ce montage permet de laisser en place les goujons...
€8.50Price
Relais de courant
Nous contacter pour s'assurer de la compatibilité avec votre véhicule.
€38.09Price
Relais resistance 35/15A
Référence: 8200337665 remplace les ref : 8200900374 et 8200351489
€35.54Price
Embout porte buse 10/24 Ø8 Clio 4 X98 R3T
Référence: 8201543414
€27.89Price
Filtre système arrosage Clio 4 X98 R3T
Référence: 8201557624
€13.33Price
Sur commande ou en cours de réappro
€12.96
Price
Sur commande ou en cours de réappro
€12.96
Price
Manchon réduction femelle/femelle Ø6/Ø8 Clio 4 X98 R3T
Référence: 8201489633
€12.96Price
- Pack
- Pack
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
- Pack
- Pack
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
Manchon porte buse 10/24F Ø8 Clio 4 X98 R3T
Référence: 8201543358
€25.49Price
Tube HP Ø8 - 3m Clio X98 R3T et Cup
Référence: 8201489629
€15.53Price
Bague antidemarrage Clio 2 RS y compris Gr N
€214.78Price
Sur commande ou en cours de réappro
€122.15
Price
Sur commande ou en cours de réappro
€122.15
Price
Faisceau alimentation pompe Clio 4 X98 R3T et cup
8201489635
€122.15Price
Raccord droit legris G1/8 -Ø6 Clio X98 R3T
8201550242
€5.77Price
Sur commande ou en cours de réappro
€9.42
Price
Sur commande ou en cours de réappro
€9.42
Price
Raccord sortie réservoir M3/4 F3/8 Clio R3T et X98Cup
Référence: 8201489640
€9.42Price
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
Socle Alu ép:2mm Clio R3T et X98Cup
Référence: 8201489642
€41.28Price
Bride Inox 8/10 avec cale de serrage Clio X98 R3T
8201489641
€2.89Price
Réservoir 12L blanc injection d'eau
Référence: 8201489638
€126.41Price
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
Sur commande ou en cours de réappro
€162.00
Price
Sur commande ou en cours de réappro
€162.00
Price
Motoventilateur Clio 2 RS y compris Gr N et X65 Cup
ATTENTION VENDU SANS LA RESISTANCE
€162.00Price
Genuine Renault Fuel Supply Hose for Clio 2 RS. Ensure optimal and reliable fuel supply with this high-quality fuel line.
€71.32Price