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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
Support platine servitude Clio 2 Cup X65 Référence : 7711155262
€17.10Price
Ressort de soupapes Clio 3 RS y compris X85 Cup et R3 Max 230 - Megane 3 RS
€14.95Price
Durite d'admission d'air silicone Forge Motorsport qui se fixe en sortie de boite à air. Celle ce permet d'augmenter le débit d'air notamment grâce à un diamètre plus gros ainsi qu'une surface lisse interne. Se monte en lieu et place de celle d'origine Plusieurs couleurs disponibles
€159.77Price
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
Joint Diam 10 pour rampe Tatuus Clio Gr N Référence: 7711154296
€6.97Price
Batterie sèche 12V-24Ah
Référence: 7711127895
Durée de vie en floating jusqu'à 5 ans
Batterie VRLA d'usage général
Grilles plomb-calcium pour une durée de vie améliorée
Construction en fibres de verre microporeuses sans acide libre
Recombinaison de gaz
Fabriqué dans le monde entier
Bonne récupération d'une décharge...
€122.62Price
Joint de culasse Cometic. Haute résistance. Alesage 83 mm , Epaisseur 0.76 Composés de trois feuilles d'acier inoxydable pour améliorer la solidité et la résistance à la corrosion. Nous contacter pour connaitre les épaisseurs possibles D'autres alesages et épaisseur disponibles, nous contacter.
€133.39Price
Secure your fuel system with this official RENAULT SPORT 90° fuel rail fitting . A key component from the competition catalog for the Renault Clio 2 RS Group N , this fitting ensures constant flow and absolute sealing under pressure. Do not let a standard component compromise the safety of your racing setup or your track day...
€37.52Price
En Stock
€59.00
€69.41
Regular price
-15% off
Price
En Stock
€59.00
€69.41
Regular price
-15% off
Price
Protect your engine's health with this genuine Renault injector specifically designed for the Clio 2 RS . This authentic part features the ITG M60 marking, guaranteeing optimal fuel atomization for high-performance 2.0 16v engines.
Brand new and original Renault ...
€59.00€69.41Regular price-15% offPrice
- Pack
- Pack
Do not take the risk of seeing the performance of your Renault Clio 2 Group N drop sharply. Without a stable and optimal fuel supply, you lose your advantage on the track.
This modified fuel pump (Reference 7711129520 ) is the official Renault Sport part essential for maintaining...
€269.74Price
Collection de 48 grains de réglage soupapes Twingo R2 195-205
7711167645
€831.29Price
Joint anti-usure jonction écope divergent Twingo R2
Référence: 7711167594
€8.48Price
Joint de queue de soupape echappement Megane 3 RS et N4
Vendu à l'unité
Véritable produit d'origine
€7.80Price
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
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
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
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
Soupape Echappement Megane 3 RS et N4 Référence: 7711167281
€83.59Price
Optimize the management of your anti-lag system with the Genuine Renault Sport Steering Wheel ALS Wiring Harness (Part Number 7711167187) . Specifically engineered for the rally-spec Megane N4 , this motorsport-grade electrical loom ensures a shielded,...
€211.24Price
Don't let a seized cable compromise your responsiveness on the track. This official Renault Sport throttle cable is specifically designed for the Renault Clio 3 X85 Cup .
Genuine manufacturer part (Reference 7711160160).
High-resistance design for intensive competition ...
€52.69Price
Bouchon rampe à essence Twingo R1 et R2
Référence: 7711160200
€7.04Price
Joint de boitier papillon Megane 3 RS
Véritable produit d'origine
€32.14Price
Axe 8-13 pompe à huile et pompe à eau
Référence: 7703035053
€1.33Price
Cale admission porte injecteur Twingo 2 RS y compris R1 et R2 160cv
Référence: 8200329496
€194.51Price
Convergent boitier filtre assemblé Twingo R2 195cv
€402.96Price
Jeu de segments pour piston origine Megane 3 RS
1 Jeu comprend le necessaire pour 1 piston
€116.83Price
Original RENAULT Piston Ring Set for Twingo 2 RS (for 1 piston)
Do not compromise the compression and power of your Twingo 2 RS engine. This original RENAULT piston...
€68.32Price
Butée basse pédale d'accélérateur Twingo R2
Référence: 7711157182
€35.68Price
Banjo alimentation rampe essence Twingo R1 et R2 et Clio R3
Référence: 7711160198
€57.72Price
Capteur température d'air Twingo RS, R1 et R2
Référence: 7711162828
€40.84Price
Joint cuivre Ø14x20 ép:1mm Twingo R2
Référence: 7711050940
€3.98Price
Joint de queue de soupape
Attention pour Megane 3 RS les joints sont différents entre admission et échappement
Vendu à l'unité
€5.63Price
Vis Banjo alimentation rampe Twingo R1 et R2
Référence: 7711129199
€25.69Price
Collier serrage inox (durite) diametre 12-20mm
Vendu à l'unité
€1.00Price