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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
Don't let a restrictive disposable paper air filter choke your dynamic hatchback's throttle response. The washable cotton Green Filter sport air filter for Renault Megane 4 GT 205 optimizes air intake flow to your 1.6 Turbo TCe engine while delivering...
€65.00Price
- Pack
- Pack
Kit Vidange ELF SXR, filtre à huile Renault pour Clio 2 RS, Clio 3 RS et Megane 2 RS
€61.15€71.94Regular price-15% offPrice
En Stock
€7.27
€8.50
Regular price
-€1.23 off
Price
En Stock
€7.27
€8.50
Regular price
-€1.23 off
Price
- On sale!
- On sale!
The oil filter is the guardian of your engine's cleanliness. This genuine Renault product is specifically designed for the engines of the Twingo 2 RS, Clio 2 RS, Clio 3 RS, Megane 2 RS, Clio 16S , and Clio Williams . It is essential for a successful oil change , ensuring optimal filtration of impurities and protecting internal components from premature wear.
€7.27€8.50Regular price-€1.23 offPrice
Filtre de Remplacement Green pour Alpine A310 Se monte en lieu et place.
Uniquement compatible avec le moteur 4 cylindres
La pose d'un filtre GREEN en remplacement de votre filtre d'origine en papier permet l'augmentation de la quantité d'air admise par votre moteur. Celui-ci respire mieux, consomme moins et gagne en puissance (environ 2CV selon les modèles) et surtout en...
€45.50Price
The original Renault flywheel side oil seal is an essential part to ensure engine sealing for your Renault Clio 2 RS, Gr N, X65 Cup, Clio 3 RS, R3, X85 Cup, Mégane 2 RS, and Mégane 3 RS . Prevent oil leaks and maintain your vehicle's performance with this authentic replacement part.
€30.64Price
Carter D'huile Renault Pour Clio 2 Gr N y compris Clio 172 et 182.
€98.48Price
Joint spy vilebrequin côté distribution Twingo RS y compris R1 et R2
€33.94Price
Adaptateur rallonge sonde pression d'huile Twingo R2
Référence: 7711157208
€45.46Price
Admission ITG MAXOGEN pour CLIO 4 RS
N'hesitez pas à la completer avec un BOA afin de la gaver en air frais
€329.00Price
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
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
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
Joint Spy Vilebrequin Twingo RS y compris R1 et R2
Référence: 770086072
€27.31Price
Don’t let your engine breathe hot air and lose precious horsepower. This genuine Renault Sport air filter screen (reference 7711155407 ) is the core component of the induction system for the Renault Clio 2 X65 Cup . Designed to isolate the cold air flow, it ensures optimal oxygen density for consistent performance under racing conditions.
€91.08Price
Bouchon de culasse et notice Twingo R2
Référence: 7711162853
€7.22Price
Kit joints spy et ecrous poulies arbre à cames Megane 2 RS
Véritable produit d'origine
€49.33Price
Joint de Culasse Clio 3 RS y compris Clio R3 et X85 Cup
Véritable produit d'origine
€89.65Price
The Renault Oil Separator Seal is an original part designed to ensure the oil separator's sealing. Compatible with the Renault Clio 2 RS , Clio 2 Gr N , Clio 2 X65 Cup , and their rally/circuit versions, it is essential for proper engine function. Important: Verify your oil separator's shape, as two mounting...
€35.80Price
Vis de fixation de poulie de vilebrequin (damper) Clio 2 RS
€20.00Price
Joint de cloison de chauffage Clio 2 RS
Référence: 8200085034
€54.11Price
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
Joint spy AAC echappement
Convient également pour l'AAC d'admission sur Megane 2 RS
€24.61Price
Kit accessoire Clio 4 RS
Véritable produit d'origine
€132.37€161.42Regular price-18% offPrice
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
Pompe à eau avec joint Clio 4 RS
Véritable produit d'origine
€282.25Price
Joint de sonde de temperature d'eau Clio 2 RS y compris Gr N et X65 Cup
€2.47Price
Galet tendeur accessoire Megane 3 RS
Véritable produit d'origine
€110.08Price
Don't let a restrictive stock paper filter choke your hot hatch's turbo boost. The washable cotton Green Filter replacement air filter for Renault Megane 4 RS frees up intake airflow to your 1.8 Turbo TCe engine while delivering flawless filtration...
€67.08Price
Filtre à air Origine Megane 3 RS
Véritable produit d'origine
€26.83Price
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
Durite d'induction (admission) Forge Motorsport Megane 4 RS
Produit de qualité permettant de limiter les perturbations.
€118.31Price
ELF Tranself NFX SAE 75W Gearbox Oil – 1 Litre
The ELF Tranself NFX SAE 75W gearbox oil is a synthetic transmission lubricant designed for manual gearboxes requiring...
€18.79Price
Plot Caoutchouc cache supérieur moteur
Véritable produit d'origine pour Megane 2 RS et Megane 3 RS
€9.89Price
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
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
€21.08
Price
Sur commande ou en cours de réappro
€21.08
Price
