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€149.05€212.93Regular price-30% offPrice
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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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Huile moteur HTX 3823 0W20 4L Référence: 7711167580
€90.50€120.66Regular price-25% offPrice
Camshaft Phasing Solenoid Valve : genuine RENAULT part essential for the proper function and engine performance of your Renault Clio 3 RS Phase 2 and Renault Megane 3 RS . A faulty component leads to power loss and unstable idling. Ensures optimal...
€202.56Price
Protect your bottom end assembly against high-RPM failure with this premium Uprated ARP Rod Bolts Kit for Renault Clio 16S, Williams, Clio 2 3 RS, and Megane 2 3 RS , commercialized under the international part number ARP-216-6301 . Forged from premium ARP...
€122.00Price
Safeguard the mechanical reliability and thermal efficiency of your high-performance engine with the Genuine Renault Sport Water Pump for F4R and F4Rt engines . This authentic factory replacement component is essential to ensure optimum coolant circulation under intense road...
€117.43Price
Joint de décanteur Clio 2 RS et Clio 3 RS Joint se trouvant entre le décanteur et le plenum
€8.57Price
Cache bouchons arbres à cames moteur F4R Kit de 2 plaques de fermeture moteur 7711155481
€54.41Price
Jeu de Bougies Renault (fabriqué par NGK) (Vendu par 4) pour Clio 16S
Produit d'origine Renault
€36.05Price
Huile moteur Total Quartz Racing 10w60
Produit préconisé par Renault sport pour la Mégane N4
Référence: 7711166390
Vendu en bidon de 1L
€15.42Price
Clip maintien support linguet Twingo R2 195/205
Référence: 7711167614
€3.16Price
Joint de culasse Cometic.
Alésage du joint 83mm
épaisseur du joint 0.75mm
Haute résistance.
Composés de trois feuilles d'acier inoxydable pour améliorer la solidité et la résistance à la corrosion.
D'autres alesages et épaisseur disponibles, nous contacter.
€133.31Price
Kit de fils d'allumage MAGNECOR - Renault Clio 16S/Williams
€150.38Price
Renault Mégane 3 RS Clutch Kit (Genuine)
Replace your worn clutch with this genuine Renault kit, designed specifically for the Mégane 3 RS (all versions). Ensures optimal transmission and durable performance. Essential for maintaining your sports vehicle's performance.
€277.74€396.77Regular price-30% offPrice
Collection de 48 grains de réglage soupapes Twingo R2 195-205
7711167645
€831.29Price
An aged or damaged seal around the camshaft timing solenoid can lead to oil leaks and additional engine maintenance. The Renault camshaft dephaser solenoid oil seal (reference 7700106385) is designed to provide sealing at the solenoid mounting point on compatible variable...
€16.84Price
Joint de culasse Cometic. Alésage du joint 83mm épaisseur du joint 1.7 mm Haute résistance. Composés de trois feuilles d'acier inoxydable pour améliorer la solidité et la résistance à la corrosion. D'autres alesages et épaisseur disponibles, nous contacter.
€174.00Price
Motul 300V Competition Engine Oil 10W40 2L - Performance and Protection for Classic and Modern Sports Cars
Don't let the age of your sports car impact its performance. engine oil is specially formulated to offer optimal protection and increased performance, suitable for demanding classic and modern engines. 2-liter can.
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€39.99Price
AAC Admission loi 286TR2A2 Twingo R2 205 Référence: 7711167674
€1,326.07Price
Secure the transmission of power from your crankshaft to your clutch assembly with this heavy-duty Flywheel Fixing Bolt for the Renault Clio 16S, Williams, Clio 2 RS, and Clio 3 RS . This high-tensile specialist hardware is critical to enduring harsh rev matches and the...
€5.64Price
Protect your high-performance engine's internal components with the Mecacyl CR 100 ml engine hyper-lubricant. This unique surface treatment mixes directly with your fresh oil to drastically reduce internal friction, lower operating temperatures, and optimize engine...
€28.50Price
The original Renault exhaust camshaft oil seal is an essential sealing part for your Renault Twingo RS, Twingo R1 , or Twingo R2 . It ensures a tight seal between the camshaft, cylinder head, and valve cover, preserving your engine's performance and reliability.
€16.92Price
Denso Iridium Spark Plugs for Mégane RS - Maximum Performance and Reliability
Boost your Mégane RS's performance with Denso Iridium spark plugs, designed to deliver a stronger spark and more efficient combustion. With their iridium electrode, these spark plugs ensure better engine responsiveness, optimized fuel consumption, and increased longevity compared to standard plugs. ...
€88.16Price
Kit Goujons de Vilebrequin renforcés ARP pour clio 2 RS / Megane 3 RS / Clio 3 RS
€197.06Price
Joint de culasse Cometic.
Alésage du joint 83mm
épaisseur du joint 1.9 mm
Haute résistance.
Composés de trois feuilles d'acier inoxydable pour améliorer la solidité et la résistance à la corrosion.
D'autres alesages et épaisseur disponibles, nous contacter.
€174.00Price
Joint répartiteur admission Twingo RS R1 et R2
€26.36Price
En Stock
€19.30
€25.79
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-€6.49 off
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En Stock
€19.30
€25.79
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-€6.49 off
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Don't risk an unexpected breakdown! This summary concerns the Genuine RENAULT Accessory Belt for the Renault Twingo 2 RS and Renault Wind 1.6 16v models. This is an essential part for the smooth running of your sports engine. Failing to replace it in time risks costly damage.
...
€19.30€25.79Regular price-€6.49 offPrice
Vis CHC M7-45 carter de protection distribution
€6.25Price
En Stock
€158.84
€252.12
Regular price
-37% off
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En Stock
€158.84
€252.12
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-37% off
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Ensure your engine's longevity with this genuine RENAULT timing belt kit , engineered for the high-performance demands of the Renault Clio 2 RS , as well as Group N and X65 Cup racing versions. This complete pack guarantees maintenance that meets Renault Sport standards.
...
€158.84€252.12Regular price-37% offPrice
Genuine Renault Exhaust Valve - Twingo 2 RS, Twingo R1, Twingo R2 160hp
Authentic Renault exhaust valve, ensuring optimal sealing and performance.
Specific replacement part for Renault Twingo 2 RS, Twingo R1, and Twingo R2 160hp models.
Contributes to proper engine operation and efficient exhaust gas...
€47.34Price
Bague étanchéité électrovanne de déphasage Twingo RS, R1 et R2
€17.09Price
Joint de queue de soupape echappement Megane 3 RS et N4
Vendu à l'unité
Véritable produit d'origine
€7.80Price
Kit distribution Renault pour Clio 1.8 16S Le kit contient la courroie et les 2 galets En cas de doute nous consulter.
€139.18€231.97Regular price-40% offPrice
Ensure a perfect engine seal with this genuine Renault piston ring set . Specifically designed for the F4R and F4Rt engines found in the Clio 2 RS , Clio 3 RS , and Megane 3 RS , this kit is the crucial element for restoring...
€37.55Price
Courroie accessoires Clio Cup X65 Référence: 7711155356
€21.36Price
En Stock
€80.84
€115.49
Regular price
-30% off
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En Stock
€80.84
€115.49
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-30% off
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Do not let poor combustion stifle the potential of your F4RT engine. This set of 4 genuine Renault spark plugs is specifically calibrated to meet the extreme thermal demands of the Renault Megane 3 RS (250, 265, and 275 hp). By choosing these manufacturer-certified plugs, you avoid misfires under full load and protect your cylinders from the risks of...
€80.84€115.49Regular price-30% offPrice
Poulie accessoire filtrante Twingo RS, R1 et R2
7711167301
€127.10Price
Kit joints spy et vis arbres à cames
€77.92€111.31Regular price-30% offPrice
Soupape Admission Megane 3 RS et N4 Référence: 7711167280
€31.21Price
Don't gamble with your engine's lubrication. This genuine Renault OEM oil pan is the only component that guarantees a perfect seal and thermal resistance meeting the strict requirements of your Renault Clio 3 RS , Megane 2 RS , or Megane 3 RS . By choosing this certified part, you avoid micro-cracks and warping issues common in...
€265.93Price
The 16mm bimaterial gasket provides a reliable and durable sealing solution, suitable for various industrial, automotive, and domestic applications . Made from robust materials, it ensures a precise fit, easy installation, and optimal performance even under demanding conditions such as high temperatures and pressures.
€3.00Price