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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
Capteur Température d'eau Twingo R1 et R2
Référence: 7711162900
€39.94Price
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
€46.10
Price
Sur commande ou en cours de réappro
€46.10
Price
Rallonge SAV Alternateur Formule Renault FR 2.0 Tatuus
€46.10Price
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
Collier serrage inox (durite) diametre 16-25mm
Vendu à l'unité
€1.00Price
Gicleur Piston 2-4 Clio 2 RS1 et RS2
Vendu à l'unité
€14.44Price
Ensemble console façade équipée Clio R3
7711160763
€1,123.80Price
Demi bac à batterie pour batterie Braill 2618
€42.67Price
Vis M6-16 de support d’arrêt de gaine Twingo R2
€0.91Price
Sur commande ou en cours de réappro
€29.50
Price
Sur commande ou en cours de réappro
€29.50
Price
Adaptateur sonde température d'eau 10x100 sur durite 28mm
€29.50Price
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
Arbre à cames Admission Clio 2 RS
Véritable produit d'origine
€278.86Price
Épingle d’arrêt câble d'accélérateur Twingo R2
€3.42Price
Sur commande ou en cours de réappro
€571.27
Price
Sur commande ou en cours de réappro
€571.27
Price
Raccord rapide Staubli Réservoir Souple Twingo R1 et R2
€571.27Price
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
Sur commande ou en cours de réappro
€72.00
Price
Sur commande ou en cours de réappro
€72.00
Price
Genuine Renault Coolant Reservoir (expansion tank) for Megane 3 RS. Ensure the proper functioning of your cooling system with this authentic part.
Also discover our compatible reservoir cap for a complete replacement.
€72.00Price
Culasse avec soupapes Clio X85 R3 230cv
7711160276
€1,926.00Price
Sur commande ou en cours de réappro
€319.57
Price
Sur commande ou en cours de réappro
€319.57
Price
The centerpiece of your Renault Megane 3 RS or Megane N4 engine, this genuine Renault piston is sold individually for targeted repair. Essential for restoring engine compression and preventing power loss, this new piston guarantees newfound reliability and performance. Important: the piston is supplied with only one circlip, and piston rings must be ordered...
€319.57Price
Sur commande ou en cours de réappro
€9.26
Price
Sur commande ou en cours de réappro
€9.26
Price
Ensure ultimate engine reliability for your Renault Super 5 GT TURBO with this genuine Renault connecting rod bolt , sold individually. A crucial element of the rotating assembly, its strength is vital for your engine's performance and longevity. Don't compromise your block's integrity with uncertain quality parts.
€9.26Price
Sur commande ou en cours de réappro
€8,731.62
€8,732.50
Regular price
-0.01% off
Price
Sur commande ou en cours de réappro
€8,731.62
€8,732.50
Regular price
-0.01% off
Price
Worried about losing the power and reliability of your Renault Clio 3 RS ? Don't let a tired engine deprive you of thrilling sensations . Opt for our original Renault F4R assembled engine on exchange basis , the ideal solution to regain its former performance. Discover essential complementary products for your...
€8,731.62€8,732.50Regular price-0.01% offPrice
Sur commande ou en cours de réappro
€174.97
Price
Sur commande ou en cours de réappro
€174.97
Price
Original RENAULT Water/Oil Cooler for Clio 2 X65 Cup & Clio 3 RS
Do not risk engine overheating and loss of performance . This original RENAULT water/oil heat exchanger is the vital component for maintaining optimal <span...
€174.97Price
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
- Pack
- Pack
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
- Pack
- Pack
Genuine Renault Fuel Supply Pipe for Clio 4 RS. Ensure optimal fuel supply with this high-quality rigid pipe.
€73.75Price
- Pack
- Pack
- Pack