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Bouchon de vidange carter d'huile moteur
Produit compatible pour Clio 2 RS, Clio 3 RS, Megane 2 RS et Megane 3 RS
€4.37Price
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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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Optimize the management of your anti-lag system with the Genuine Renault Sport Steering Wheel ALS Wiring Harness (Part Number 7711167187) . Specifically engineered for the rally-spec Megane N4 , this motorsport-grade electrical loom ensures a shielded,...
€211.24Price
Cale admission porte injecteur Twingo 2 RS y compris R1 et R2 160cv
Référence: 8200329496
€194.51Price
Convergent boitier filtre assemblé Twingo R2 195cv
€402.96Price
Linguet rouleau Clio 2 RS et Clio 3 RS y compris R3 et X85 Cup et Twingo RSVéritable produit d'origine
€90.76Price
Support Pédale Accélérateur Clio 3 X85 Cup
Référence: 7711160177
€92.35Price
Joint de Culasse Clio 3 RS y compris Clio R3 et X85 Cup
Véritable produit d'origine
€89.65Price
Camshaft Exhaust End Sealing Plug – Renault
The Renault camshaft sealing plug, reference 7700274026 , is an engine component designed to seal an opening in the cylinder head. It helps maintain...
€10.03Price
Kit accessoire Clio 4 RS
Véritable produit d'origine
€132.37€161.42Regular price-18% offPrice
Original RENAULT Piston Ring Set for Twingo 2 RS (for 1 piston)
Do not compromise the compression and power of your Twingo 2 RS engine. This original RENAULT piston...
€68.32Price
Plot Caoutchouc cache supérieur moteur
Véritable produit d'origine pour Megane 2 RS et Megane 3 RS
€9.89Price
Don't let a seized cable compromise your responsiveness on the track. This official Renault Sport throttle cable is specifically designed for the Renault Clio 3 X85 Cup .
Genuine manufacturer part (Reference 7711160160).
High-resistance design for intensive competition ...
€52.69Price
Tuyau Flexible sonde pression Twingo R2
Référence: 7711160963
€98.71Price
Joint de cloison de chauffage Clio 2 RS
Référence: 8200085034
€54.11Price
Vis de fixation de poulie de vilebrequin (damper) Clio 2 RS
€20.00Price
Pompe à eau avec joint Clio 4 RS
Véritable produit d'origine
€282.25Price
Ensure reliable electrical power for your Renault Clio 3 RS , Renault Clio R3 , or Renault Clio 3 X85 Cup with this genuine RENAULT alternator . An essential component for the proper functioning of your sports vehicle. Find associated complementary products at the bottom of the page for optimal...
€546.20Price
Capteur pédale accélérateur Clio 3 RS
Attention 2 types de connecteurs existent, merci de controler la compatibilité avec votre véhicule
Véritable produit d'origine
€119.28Price
Gicleur Piston 1-3 Clio 2 RS y compris Gr N et X65 Cup
€33.55Price
This new oil pressure sensor , from the Renault Sport competition catalog , is a vital safety part for the rally engines of the Renault Clio R3 and Twingo R2 . It is essential for monitoring lubrication and thereby preventing catastrophic engine failures caused by a lack or drop in oil pressure.
€195.78Price
Tuyau carburant entre réservoir et coupling Goodridge Megane N4
Référence: 7711167089
€173.57Price
Joint spy AAC echappement
Convient également pour l'AAC d'admission sur Megane 2 RS
€24.61Price
Do not compromise the lubrication of your VR38DETT engine. This genuine Nissan oil filter is the only component certified by the manufacturer to ensure constant oil pressure and optimal filtration of impurities. Essential for every engine oil change , it preserves the longevity of your Nissan GTR R35 , whether for daily...
€24.71Price
Sur commande ou en cours de réappro
€8.24
€20.59
Regular price
-60% off
Price
Sur commande ou en cours de réappro
€8.24
€20.59
Regular price
-60% off
Price
Do not risk a costly engine failure during your next track day. This 16mm diameter core plug is an essential engine safety component for all Renault Sport F4R blocks. Whether for the timing side or the left of the oil filter , this engine block expansion plug ensures a perfect seal and prevents coolant leaks under high...
€8.24€20.59Regular price-60% offPrice
Sur commande ou en cours de réappro
€74.52
Price
Sur commande ou en cours de réappro
€74.52
Price
Do not risk the destruction of your F4R engine ! This Additional Timing Belt Protection Plate is essential for the Renault Clio 3 RS , Mégane 2 RS , and Mégane 3 RS . It offers crucial mechanical safety , protecting the timing belt from...
€74.52Price
Sur commande ou en cours de réappro
€79.00
Price
Sur commande ou en cours de réappro
€79.00
Price
Do not take the risk of a devastating engine failure ! This Additional Timing Belt Protection Plate is the essential element to secure the timing belt of your Renault Clio 2 RS (F4R engine). It provides vital protection against stone chips and debris, including...
€79.00Price
Sur commande ou en cours de réappro
€35.10
Price
Sur commande ou en cours de réappro
€35.10
Price
Preserve the performance of your Renault Clio 2 RS , Renault Clio 3 RS , or Renault Twingo 2 RS with this genuine RENAULT engine oil filler cap . An essential part to maintain the tightness and cleanliness of your engine. Find complementary products for the maintenance of your sports car at the bottom of the page.
€35.10Price
Sur commande ou en cours de réappro
€28.99
Price
Sur commande ou en cours de réappro
€28.99
Price
Do not risk a devastating thermal meltdown or valve breakage in your top end during track days or rally stages. This genuine MPI forged exhaust valve , sold individually and designed for a direct plug-and-play replacement, protects your Renault Clio Williams cylinder head from extreme combustion temperatures. Unlike factory-cast valves that oxidize and weaken...
€28.99Price
Do not risk a catastrophic engine failure on your F7R block during high-RPM driving. This genuine MPI forged intake valve , sold individually and designed for a direct drop-in replacement, is the essential safety component to protect the top end of your Renault Clio Williams . Unlike factory-cast valves that eventually fatigue under extreme thermal stress and...
€28.99Price
Do not risk a drastic loss of compression or excessive oil consumption during your next stage. This official Renault Sport piston ring set (designed for one piston) is the only genuine solution calibrated to maintain absolute sealing in your Clio R3 MAX engine. ...
€324.60Price
Do not risk a drop in compression or a major engine failure mid-stage. This official Renault Sport piston , supplied complete with its pin, is the only genuine component calibrated to restore the original performance of your Clio R3 MAX .
Specifically...
€678.06Price
Sur commande ou en cours de réappro
€10.70
Price
Sur commande ou en cours de réappro
€10.70
Price
Sur commande ou en cours de réappro
€4.93
Price
Sur commande ou en cours de réappro
€4.93
Price
Sur commande ou en cours de réappro
€21.08
Price
Sur commande ou en cours de réappro
€21.08
Price
Sur commande ou en cours de réappro
€407.03
Price
Sur commande ou en cours de réappro
€407.03
Price
Ensure an instantaneous start for your Renault Clio 4 RS (all phases) with this brand-new genuine Renault starter motor . Unlike remanufactured units, this 100% new product guarantees maximum reliability and increased longevity for your 1.6 Turbo engine. Don't risk an immobilizing breakdown—choose manufacturer...
€407.03Price
Sur commande ou en cours de réappro
€77.12
Price
Sur commande ou en cours de réappro
€77.12
Price
Do not let a minor electrical failure lead to a major breakdown. This genuine Renault power distribution box is a critical component of your Renault Megane 3 RS starting circuit. Integrating essential high-power fuses , specifically for the starter motor and alternator protection, it ensures secure energy management from your...
€77.12Price
Sur commande ou en cours de réappro
€132.58
Price
Sur commande ou en cours de réappro
€132.58
Price
Jauge pompe Clio 2 RS 1
Modele spécifique ayant le régulateur sur la pompe
€188.74Price
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