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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
Joint de flasque support bague de vilebrequin Twingo RS et Wind
Référence: 8200182129
€9.72Price
Support connecteur Cablage Twingo R2
Référence: 7711162734
€28.07Price
Support moteur anti cabrage inférieur Powerflex Violet
Gamme prévue pour une utilisation musclée route et sortie piste occasionnelle
€135.79Price
The original Renault intake valve is an essential part to optimize airflow in the engine of your Renault Twingo 2 RS . It guarantees optimal engine performance and efficient combustion. We ship worldwide.
€17.83Price
Cache supérieur de distribution Twingo RS, R1 et R2
€75.78Price
Cale admission porte injecteur Twingo R2 195/205
Référence: 7711167613
€693.23Price
En Stock
€81.02
€202.56
Regular price
-60% off
Price
En Stock
€81.02
€202.56
Regular price
-60% off
Price
Do not risk power loss and unstable idling on your Clio 2 RS . The Genuine Renault VVT Solenoid (Part Number 8200831629 ) is essential for the proper functioning of your 2.0L 16V F4R engine .
This genuine part guarantees the precise management of variable valve timing ,...
€81.02€202.56Regular price-60% offPrice
Support Alternateur et pompe de DA 7700273712
Produit destiné à la Clio 2 Cup Rally equipé de 1.6 16v
Ne convient pas au F4R
€164.00Price
Support moteur Anti cabrage Powerflex trackday Clio 4 RS
Support moteur équipé de silent bloc gamme violette pour utilisation mixte route/piste.
N'hesitez pas à consulter nos autres produits pour la gamme route ou Piste
€121.13Price
En Stock
€11.28
Price
En Stock
€11.28
Price
Ensure optimal fastening of your engine anti-roll mount with this genuine Renault screw . Essential for the Clio 3 RS (front fastening), Megane 2 RS (front fastening), and Megane 3 RS (entire mount fastening), it guarantees engine stability and prevents excessive vibrations. Don't underestimate the importance of quality fasteners for your sports car's...
€11.28Price
Planche étiquette POWER BOX Twingo R2
Référence: 7711162629
€18.50Price
Demi-cône de soupape admission EVO 2013 Twingo R2
Référence: 7711167705
€3.55Price
Maintien câblage boitier BSM Megane 3 RS et N4
€4.30Price
Support connecteur Cablage Megane 3 RS et N4
Référence: 242300002R
€34.04Price
Joint d'échangeur (modine) d'huile Clio 3 RS
€14.36Price
Couvercle protection boitier éléctronique Megane 3 RS et N4
€25.51Price
The original Renault water/oil heat exchanger nipple is an essential part to ensure optimal circulation of cooling and oil fluids in your Renault Clio 3 RS . It guarantees a stable engine temperature and optimal performance. We ship worldwide.
€14.68Price
Écrou de fixation arrière anti cabrage Clio 2 RS
€3.48Price
Vis arrière de fixation anti cabrage Clio 2 RS et Gr N
Uniquement compatible pour Clio 2 RS Phase 2 et 3
€10.67Price
Ecrou de fixation de patte de tirant anti glissement Clio 2 RS et Gr N
€3.36Price
En Stock
€1,258.87
Price
En Stock
€1,258.87
Price
The genuine Renault new bare cylinder head (reference 7701478763 ) is the solution for major engine problems in your Renault Twingo 2 RS or Twingo R1 . Specifically designed for the K4M engine , this new part is the only option for a reliable repair after overheating or a timing belt failure. Don't risk multiple breakdowns by choosing a used or repaired...
€1,258.87Price
Demi coussinet rouge inf ligne arbre Twingo 2 RS
Référence: 8200859991-8200859999-122239522R
€11.53Price
Do you own a Renault Clio 3 RS or a Renault Megane 2 RS and worry about not having a clear and reliable view of your sports engine's oil level? Does the lack of precise information on your dashboard stress you out before every track session or dynamic drive? Don't let doubt linger any longer! This original RENAULT electronic oil level gauge ...
€98.82Price
Do not let invisible wear condemn your K4M engine block. This genuine Renault connecting rod bearing shell ( Yellow mark) is the critical component required to maintain oil pressure and the integrity of your rotating assembly. Specifically designed for the Renault Twingo 2 RS , as well as the Twingo R1 and Twingo R2...
€6.13Price
Demi coussinet noir ligne arbre Twingo R2
Référence: 8200859982-8200019804
€11.53Price
Cablage bac à batterie Megane N4
Référence: 7711167169
€449.09Price
En Stock
€53.98
€63.50
Regular price
-15% off
Price
En Stock
€53.98
€63.50
Regular price
-15% off
Price
- On sale!
- On sale!
Preserve the raw output, responsiveness, and longevity of your modern turbocharged engine with Castrol EDGE 5L 0w40 RN17RSA motor oil . Explicitly formulated under factory reference 7711943670 to meet the strict engineering approval demands of Renault Sport...
€53.98€63.50Regular price-15% offPrice
Demi coussinet rouge ligne arbre Twingo R2
Référence: 8200859985-8200859995
€11.53Price
Collection de 24 grains de réglage soupapes admission Twingo R2 195-205
Référence: 7711167707
€485.14Price
Jeu de câbles de puissance Twingo R2
Référence: 7711162774
€169.28Price
Vis M12
Vis utilisée pour la fixation de la partie av de l'anti cabrage inférieur sur la Clio 3 X85 Cup
et utilisée pour la fixation de la partie arriere de l'anti cabrage inferieur sur Twingo 2 RS et Wind
Référence: 7703002363-7703002951
€9.60Price
Guide jauge huile interne Twingo 2 RS y compris R1 et R2
Élément venant de monter dans le carter cylindre
€39.78Price
Engine Oil Jet – Renault Megane 3 RS
Engine oil jet designed for compatible Renault Megane 3 RS applications. This component directs engine oil to specific areas of the engine to support lubrication and help manage operating temperatures. Check compatibility with your engine before ordering.
€14.65Price
Relais cablage
Référence: 8200337666 remplace les ref : 8200587121 et 8200786806 et <span...
€35.54Price
Entretoise rotule pour biellette de reprise de couple Clio 3 X85 Cup
Référence: 7711160059
€14.64Price