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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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Bague étanchéité arbre à cames échappement Twingo RS, R1 et R2
€41.95Price
Raccord union double égal Ø8 Megane N4
Référence : 7711167252
€6.41Price
Collecteur admission Clio 2 X65 Cup et Gr N
Prévu pour papillon mécanique
€486.55Price
Do not risk a fuel system failure mid-session. The Goodridge Tee to fuel rail hose is crucial for the reliability of your Clio 3 x85 Cup . Keeping a worn or inadequate hose directly exposes your engine to critical fuel starvation or severe leak risks. Permanently secure your injection system with this high-precision...
€69.56Price
Don't let a poorly managed crankcase pressure impact the health of your engine! Get the genuine Renault PCV Valve (Crankcase Pressure Valve) , an essential part for the Renault Clio 4 RS , Mégane 4 RS , or Mégane 4 GT 205 . A faulty valve leads to oil leaks and loss of...
€66.43Price
Cablage additionnel Moteur Megane N4
Référence: 7711167185
€359.64Price
Jeu de segments pour piston origine Megane 3 RS
1 Jeu comprend le necessaire pour 1 piston
€116.83Price
Piston équipé indice B (X=82.70) Clio 3 RS et X85 Cup
Piston d'origine
€133.56Price
Tuyau essence vapeur canister Ø8 Megane N4
Référence: 7711167251
€12.78Price
Joint cuivre de bouchon de rampe Twingo R1 et R2 et Clio R3
Référence: 7903062105
€4.16Price
Vis de bielles ARP pour bielles PEC Wossner
€113.17Price
Optimize the performance of your Renault Twingo R2 EVO 195hp with this genuine RENAULT SPORT assembled cylinder head (ref. 7711167644). Supplied with valves, retainers, valve springs, rocker arms, and pushrods, this cylinder head is ready to be installed (camshafts not included). Guaranteed performance and reliability.
€8,104.62Price
Renault Camshaft Intake Sealing Plug – Reference 7700106271
The Renault camshaft sealing plug, reference 7700106271 , is an engine component designed to seal an opening in the cylinder head...
€14.89Price
Joint de queue de soupape
Attention pour Megane 3 RS les joints sont différents entre admission et échappement
Vendu à l'unité
€5.63Price
Joint cuivre de banjo d'alimentation de rampe Twingo R1 et R2
Référence: 7711050937
€3.04Price
The Renault complete piston (index C) is an original part, supplied with pin and pin clips, designed for your Renault Clio 3 RS and Renault Clio 3 X85 Cup . It ensures optimal engine performance and increased reliability.
€139.14Price
Tuyau 200-06 lg:300 connection rampe Tatuus
Réference: 7711155525
€55.68Price
Preserve your engine's integrity with this genuine Renault oil filter . Specifically engineered for the high-performance engines found in the Renault Clio 4 RS (1.6 Turbo), Renault Megane 4 RS , and Alpine A110 (1.8 Turbo), this filter guarantees optimal removal of impurities.
...
€11.34Price
Gicleur Piston 1-3 Clio 2 RS1 et RS2
Vendu à l'unité
€14.16Price
Joint de sonde de temperature d'eau Clio 2 RS y compris Gr N et X65 Cup
€2.47Price
Bouchon rampe à essence Twingo R1 et R2
Référence: 7711160200
€7.04Price
Galet tendeur accessoire Megane 3 RS
Véritable produit d'origine
€110.08Price
Genuine Renault Bulkhead Insulator for Clio 2 RS and Clio 2 Gr N. Reduce noise and protect your engine compartment with this high-quality insulator.
Don't forget the necessary clips and fasteners for optimal installation (available at the bottom of the page).
€202.12Price
Câblage additionnel commande Dash Megane N4
Référence: 7711167213
€431.94Price
Axe 8-13 pompe à huile et pompe à eau
Référence: 7703035053
€1.33Price
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
Vis de fixation galet enrouleur de distribution K4M
8200581340
€5.66Price
Adaptateur rallonge sonde pression d'huile Twingo R2
Référence: 7711157208
€45.46Price
Banjo alimentation rampe essence Twingo R1 et R2 et Clio R3
Référence: 7711160198
€57.72Price
Prise de bobine Clio 2
Vendue avec les cosses et les joints d'étanchéité
€35.34Price
Joint cuivre Ø14x20 ép:1mm Twingo R2
Référence: 7711050940
€3.98Price
Joint de boitier papillon Megane 3 RS
Véritable produit d'origine
€32.14Price
Kit suppression de direction assistée comprenant la poulie folle et son support.
€199.00Price
The original Renault fuel gauge/pump module is an essential part to ensure a reliable and precise fuel supply on your Renault Clio 3 RS , Renault Clio R3 , and Renault Clio 3 X85 Cup . It guarantees accurate fuel level measurement and constant pressure, indispensable for optimal performance. We ship worldwide.
€265.70Price
Prevent oil weeping and critical oil pressure drops within your engine block with the Genuine Factory Resin Glue Red Liquid Gasket Compound . Specially formulated under official manufacturer part numbers 7711237640 , 7701421162 , and...
€33.22Price