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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
En Stock
€230.05
€270.65
Regular price
-15% off
Price
En Stock
€230.05
€270.65
Regular price
-15% off
Price
The secret to 182 horsepower ! You wouldn't want to restrict the intake potential of your Clio 2 RS ?
This Intake Manifold , also known as the Injector Rail Spacer , is the Original RENAULT part specific to the Clio 2 RS 182 hp models (compatible with all...
€230.05€270.65Regular price-15% offPrice
Don't starve your engine of its vital fresh air supply. This genuine Renault front grille air intake scoop is the essential manufacturer part required to capture fresh air at the front bumper and route it directly to the intake duct of your Renault Megane 4 RS .
Positioned on the front line, this scoop is highly vulnerable...
€42.67Price
Plot élastique ventilateur moteur Megane 3 RS et N4
€1.58Price
165001509R
Original RENAULT SPORT Air Box (Filter Housing) – Complete with Filter – Megane 4 RS
Do not compromise the breathing and longevity of your Megane 4 RS engine. This original RENAULT air box is delivered complete with its...
€258.34Price
Conduit air résonateur filtre Megane 3 RS et N4
€39.76Price
Restore perfect engine idle speed stability to your Renault Clio 2 RS Phase 1 with this genuine Renault idle actuator . An essential part often responsible for unstable idling , stalling, or difficult starting, it guarantees optimal performance for your F4R engine. Don't compromise the reliability of your sports car for a simple faulty sensor.
€121.85Price
- Pack
- Pack
The mechanical throttle body gasket is a quality part essential for optimizing the operation of your Renault Clio 2 RS Phase 1, Clio Gr N , or Clio 2 X65 Cup . Ensure perfect sealing and maintain your engine's performance with this reliable replacement gasket.
€7.93Price
Don't let a restrictive intake system stifle your S58 engine's performance. The Green Filter replacement kit (reference P965047/2 ) is specifically engineered for the BMW M3 G80 and M4 G82 . By replacing your disposable paper filters, you eliminate intake pressure drop and allow your turbos to breathe...
€127.19Price
COLD SIDE SEAL – JTCOLD
The cold side seal, reference JTCOLD , is a sealing component intended for use on the cold side of an air circuit. It helps provide an airtight connection between...
€10.02Price
This Adapted Accessory Belt is a critical component for converting to an Air Conditioning Delete Kit on your Renault Mégane 4 RS . Its dimension is precisely defined to compensate for the removal of the AC compressor.
This superior quality belt is essential for...
€29.34Price
Plot elastique support filtre à air Megane 3 RS et N4
Référence: 8200013905
€4.10Price
This Specific Accessory Belt is an essential component when installing an Air Conditioning Delete Kit on your Alpine A110 . Its length is adjusted to bypass the air conditioning compressor that has been removed.
A high-quality part, it guarantees the correct...
€25.25Price
The Optimiz Access Specific Accessory Belt is the essential part required to finalize the installation of the A/C Delete Kit on your Renault Clio 4 RS . Due to the change in the path and distance between the pulleys following the removal of the air conditioning compressor, the original belt can...
€29.34Price
En Stock
€126.80
€181.14
Regular price
-30% off
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En Stock
€126.80
€181.14
Regular price
-30% off
Price
GMV (Ventilateur) type chauffo Twingo RS et R1
Référence: 7711162740 - 8200066098
Egalement compatible avec d'autres motorisations
€126.80€181.14Regular price-30% offPrice
Plot Filtrant (caoutchouc) de boite à air Megane 3 RS
Référence: 8200805690
€4.98Price
Kit Admisssion Forge Motorsport Megane 4 RS
Produit developpé dans le but de
- Garder des temperatures d'admission interessantes et les plus basses possibles
- Ameliorer l'afflux d'air
- Ameliorer l'esthetique de la baie moteur
Apres de nombreux essais, les resultats obtenus sont
+ 15ch
Ce gain peut etre superieur en associant ce kit...
€361.00Price
Upgrade conduit admission forge avec adaptateur Megane 4 RS.
Produit developpé pour supprimer la restriction d'origine de l'admission.
Bien qu'apportant deja un plus sur une voiture d'origine, ce produit a encore plus d'interet en cas de vehicule reprogrammé
€187.01Price
Vis de fixation poulie folle clim Clio 3 RS - Megane 2 RS - Megane 3 RS.
Vendue à l'unité - 3 Vis sont nécessaires
€2.34Price
Régulateur pression gaz carter Clio 3 RS
€61.60Price
Don't let a restrictive stock paper filter choke your sports car's acceleration. The washable cotton Green Filter replacement air filter for Alpine A110 optimizes air intake flow to your 1.8 TCe engine while delivering maximum filtration protection. ...
€61.56Price
Prevent performance drops on your induction kit with this premium Green Filter Air Filter Cleaning Kit , commercialized under the official part number GREEN-NH01 . Comprising a powerful degreasing cleaner fluid and a specific high-adhesion air filter oil...
€20.47Price
Joint anti-usure jonction écope divergent Twingo R2
Référence: 7711167594
€8.48Price
Filtre de Remplacement Green pour Clio 16s et Williams Se monte en lieu et place. 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 couple à bas régime. Les filtres GREEN sont lavables et...
€51.84Price
Paire d’écopes venant prendre place à l'emplacement des antibrouillards.
Le produit vient se clipser en lieu et place sans modifications.
Extremités en 2 versions possibles 63 mm et 76 mm permettant la fixation de BOA pour alimenter en air frais la boite à air ou refroidir les freins.
L'enjoliveur présent sur certaines photos n'est pas fournie, il ne sert que pour visualiser le résultat final
€60.00Price
Gaine pour Admission ou Ventilation (Freins). Permet d'amener de l'air frais à votre boite a air ou à votre admission dynamique. Peut également servir à refroidir les freins. Vendu au Mètre linéaire. Le prix indiqué est pour 1 mètre. Si vous désirez une plus grande longueur ou d'autres diamètres merci de nous contacter.
€24.94Price
Silentbloc maintien écope Twingo R2 Référence: 7711167596
€9.50Price
En Stock
€7.27
€8.50
Regular price
-€1.23 off
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En Stock
€7.27
€8.50
Regular price
-€1.23 off
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- 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 Pipercross Pour Renault Clio 2 V6 230CH
Il Remplace avantageusement votre filtre de serie.
Les filtres Pipercross sont nettoyables et donc réutilisables.
€52.00Price
Paire d’écopes venant prendre place à l'emplacement des antibrouillards.
Le produit vient se clipser en lieu et place sans modifications.
Extremités en 2 versions possibles 63 mm et 76 mm permettant la fixation de BOA pour alimenter en air frais la boite à air ou refroidir les freins.
L'enjoliveur présent sur certaines photos n'est pas fournie, il ne sert que pour visualiser le résultat final
€60.00Price
En Stock
€10.57
€13.93
Regular price
-€3.36 off
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En Stock
€10.57
€13.93
Regular price
-€3.36 off
Price
Ensure vital engine sealing with this genuine Renault intake manifold gasket for the Clio 2 RS (172 and 182hp). This authentic component guarantees a perfect junction between the cylinder head and your manifold, preventing any parasitic air leaks that could degrade the performance of your F4R engine . Do not...
€10.57€13.93Regular price-€3.36 offPrice
Support inférieur écope boitier filtre Twingo R2
Référence: 7711167597
€17.45Price
The Mégane 3 RS oil filter provides optimal protection and performance for your engine, ensuring efficient filtration of impurities and long-lasting durability , even in the most demanding conditions.
€8.52€11.03Regular price-€2.51 offPrice
Ce kit est spécialement conçu pour la Renault Clio 4 RS Trophy (ne convient pas aux clio 4 RS non Trophy) 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...
€199.00Price