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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
Durite Forge Silicone. Se monte en lieu et place Plusieurs Coloris Disponibles
€140.75Price
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
En Stock
€20.87
Price
En Stock
€20.87
Price
Renault Crankshaft Oil Seal, Timing Side - Formula Renault / R21 2L Turbo
Ensure your engine's sealing with this original Renault crankshaft oil seal. Designed for Formula Renault and Renault 21 2L Turbo, it prevents oil leaks and guarantees your engine's longevity.
Original Renault Part
Crankshaft oil seal, timing side ...
€20.87Price
Poulie accessoire filtrante Twingo RS, R1 et R2
7711167301
€127.10Price
Ensemble de joints nécéssaire au bon remontage du moteur de Clio 2 RS Véritable produit d'origine La photo ne comporte pas les joints spy d'arbres à cames mais ceux ci sont bien fournis
€224.35Price
Ensemble de joints nécéssaire au bon remontage du moteur de Clio 3 RS
Véritable produit d'origine
€198.25Price
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
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
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
Joint trama capteur pression huile Ø8.4x13.8 Clio 2 Cup X65
Référence : 7711065381
€0.23Price
Vis CHC M7-45 carter de protection distribution
€6.25Price
En Stock
€10.57
€13.93
Regular price
-€3.36 off
Price
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
Joint spy vilebrequin côté distribution Twingo RS y compris R1 et R2
€33.94Price
Collection de 48 grains de réglage soupapes Twingo R2 195-205
7711167645
€831.29Price
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
Vis de poulie de vilebrequin.
Convient pour Clio 2 RS, Clio 3 RS, Megane 2 RS
€25.14Price
Blue Crankshaft Half-Bearing Set
This blue crankshaft half-bearing set is designed for engine applications requiring compatible crankshaft bearing components. Before ordering, check the engine specification and the manufacturer's references to ensure correct fitment.
€70.25Price
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
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
Ensemble de joints nécessaire au bon remontage du moteur de Megane 3 RS
Véritable produit d'origine
€251.47Price
Joint de queue de soupape echappement Megane 3 RS et N4
Vendu à l'unité
Véritable produit d'origine
€7.80Price
Tuyau de depression de diamètre 4mm. Sert généralement pour l'installation de Dump Valve. Prix au metre
€6.00Price
Soupape Echappement Megane 3 RS et N4 Référence: 7711167281
€83.59Price
Vis de fixation galet enrouleur de distribution K4M
8200581340
€5.66Price
Collier serrage inox (durite) diametre 8-12mm
Vendu à l'unité
€1.00Price
This new oil pressure sensor , from the Renault Sport competition catalog , is a vital safety part for the rally engines of the Renault Clio R3 and Twingo R2 . It is essential for monitoring lubrication and thereby preventing catastrophic engine failures caused by a lack or drop in oil pressure.
€195.78Price
Capteur température d'air Twingo RS, R1 et R2
Référence: 7711162828
€40.84Price
Bague étanchéité vis et bouchon arbre à cames admission Twingo RS, R1 et R2
€37.90Price
Joint de Culasse Clio 3 RS y compris Clio R3 et X85 Cup
Véritable produit d'origine
€89.65Price
Don't let a heavy and power-consuming air conditioning compressor hold back the performance of your Renault Twingo 2 RS . This genuine Renault accessory bracket is the official solution for a reliable AC delete . Specifically designed for the K4M RS engine , it allows for significant weight reduction and improved engine...
€217.02Price
Bague étanchéité arbre à cames échappement Twingo RS, R1 et R2
€41.95Price
AAC Echappement loi 278TR2E1 Twingo R2
Référence: 7711167673
€1,326.07Price
Collier serrage inox (durite) diametre 12-20mm
Vendu à l'unité
€1.00Price
Collecteur admission Clio 2 X65 Cup et Gr N
Prévu pour papillon mécanique
€486.55Price
Piston équipé indice B (X=82.70) Clio 3 RS et X85 Cup
Piston d'origine
€133.56Price
