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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
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En Stock
€230.05
€270.65
Regular price
-15% off
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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
Plot elastique support filtre à air Megane 3 RS et N4
Référence: 8200013905
€4.10Price
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
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
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
Régulateur pression gaz carter Clio 3 RS
€61.60Price
Admission de marque ITG Spécifique à la Megane 2 RS
Cette admission permet de placer le filtre à air près de l'antibrouillard avant gauche et ainsi diminuer la temperature d'admission.
€401.33Price
Joint Plenum Clio 3 RS Joint permettant de faire l’étanchéité entre le moteur et le collecteur d'admission. Il est conseillé de le changer lors à chaque démontage
€13.20Price
Support boitier filtre air Twingo R2
Référence: 7711167598
€61.09Price
Filtre de Remplacement KN pour Clio 4 RS tous modeles
Se monte en lieu et place de votre filtre à air d'origine.
Filtre lavable, il dure donc beaucoup plus longtemps qu'un filtre papier type origine.
Il permet un très léger gain grâce à un meilleur système de filtration que les filtres d'origine.
€86.04Price
Durite Forge Silicone. Se monte en lieu et place Plusieurs Coloris Disponibles
€140.75Price
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.
€60.00Price
Don't accept any loss of performance for your Mégane 3 RS or Mégane N4 ! This strictly genuine Renault air/air intercooler is the cornerstone for maintaining your engine's power and reliability. Without it, your sports vehicle risks never reaching its full potential, especially in extreme conditions. Find complementary products at the bottom...
€493.96Price
Conduit filtre air Twingo R2 160cv Référence: 7711162789
€17.82Price
Filtre de Remplacement Green pour Twingo 2 RS 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...
€64.74Price
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
Filtre à air remplacement BMC Megane 4 GT TCE 205
€70.00Price
Stop letting a perished or cracked factory hose choke your Clio 2 RS engine. This reinforced silicone induction hose is a direct replacement for the OEM rubber part, which is notorious for collapsing under vacuum. Available in various colors for a subtle or race-inspired customization , it ensures...
€69.00Price
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.
€22.64Price
Do not let a clogged or unsuitable air filter restrict the engine's air supply on your Renault Clio 2 X65 Cup . The Green Filter sport air filter is designed for competition applications requiring high airflow and effective filtration. ...
€56.20Price
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 Plenum Clio 2 RS. Joint permettant de faire l’étanchéité entre le collecteur d'admission et le plenum Il est conseillé de le changer lors à chaque démontage et donc lors du retaillage de l'ensemble collecteur / plenum
€13.37Price
Filtre de Remplacement BMC pour Super 5 GT Turbo Vient se placer en lieu de place du filtre à air d'origine.
€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.
€21.25Price
