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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 moteur anti cabrage inférieur Powerflex Violet
Gamme prévue pour une utilisation musclée route et sortie piste occasionnelle
€135.79Price
Support connecteur Cablage Twingo R2
Référence: 7711162734
€28.07Price
Ensure critical sealing in your lubrication circuit with this genuine Renault turbo oil return pipe (lower part) . Specifically designed for the F4Rt engines in the Renault Megane 2 RS and Megane 3 RS , this connector guarantees a smooth oil flow back to the sump. A certified manufacturer part ...
€106.16Price
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
Cale admission porte injecteur Twingo R2 195/205
Référence: 7711167613
€693.23Price
Cache supérieur de distribution Twingo RS, R1 et R2
€75.78Price
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
En Stock
€81.02
€202.56
Regular price
-60% off
Price
En Stock
€81.02
€202.56
Regular price
-60% off
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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 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
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
Maintain the integrity of your lubrication system with this genuine RENAULT oil return pipe seal . Essential for your Mégane 2 RS or Mégane 3 RS , this component ensures the lubricant returns to the engine block without any loss. Do not risk a leak that could degrade your mechanical components or contaminate your...
€5.05Price
Demi-cône de soupape admission EVO 2013 Twingo R2
Référence: 7711167705
€3.55Price
KIT COMPETITION INTERCOOLER pour EVO1 pour Toyota Supra JZA80 MK4
Le refroidisseur intermédiaire haute performance WAGNERTUNING a un nouveau...
€1,480.00Price
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
Support connecteur Cablage Megane 3 RS et N4
Référence: 242300002R
€34.04Price
Echangeur Wagner Compétition EVO2 Ford MUSTANG
Kit de mise à niveau du refroidisseur intermédiaire EVO 2 pour Ford Mustang 2.3l EcoBoost 2015+ (y compris le lifting) <br...
€790.00Price
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
COMPETITION INTERCOOLER KIT VAG 2.0TSI (EA888 Gen.4) <span...
€1,090.00Price
Écrou de fixation arrière anti cabrage Clio 2 RS
€3.48Price
Kit de mise à niveau Intercooler EVO 1 pour Ford Mustang 2.3l EcoBoost 2015+ (y compris Facelift) <br style="color:#7c7c7c;font-family:'Open Sans', Helvetica, Arial,...
€560.00Price
Vis arrière de fixation anti cabrage Clio 2 RS et Gr N
Uniquement compatible pour Clio 2 RS Phase 2 et 3
€10.67Price
L'intercooler haute performance a les dimensions nettes suivantes (520x210x130/stepped 11,750cm³ / OEM 510x130x110mm, 7,293cm³) et offre ainsi une zone d'entrée 64% plus grande et 60% de volume d'air de...
€790.00Price
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
Kit Intercooler Competition pour Fiat 500 Abarth <br...
€910.00Price
Demi coussinet rouge inf ligne arbre Twingo 2 RS
Référence: 8200859991-8200859999-122239522R
€11.53Price
Echangeur Wagner Honda Civic Type R FK8
Le refroidisseur intermédiaire hautes performances WAGNERTUNING dispose d'un nouveau faisceau de compétition (tube fin) aux dimensions 670 mm x 183,4 mm x 125 mm...
€1,020.00Price
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
Ce refroidisseur intermédiaire de compétition a la taille de noyau suivante (550 mm x 210 mm x 110 mm / étagé = 12,70 L), offrant une surface frontale 230 % plus grande et 190 % de volume en plus par rapport au...
€750.00Price
Cablage bac à batterie Megane N4
Référence: 7711167169
€449.09Price
Demi coussinet noir ligne arbre Twingo R2
Référence: 8200859982-8200019804
€11.53Price
Demi coussinet rouge ligne arbre Twingo R2
Référence: 8200859985-8200859995
€11.53Price
Kit Intercooler (Echangeur) Wagner Porsche 991.1 TURBO et Turbo S
Produit uniquement compatible avec l'échangeur origine. Nous contacter si vous souhaitez le modèle pour échangeur Wagner
Ce Y-charge pipe unique a été conçu pour le...
€1,140.00Price
Collection de 24 grains de réglage soupapes admission Twingo R2 195-205
Référence: 7711167707
€485.14Price
Kit Intercooler (Echangeur) Wagner Porsche 991.1 TURBO et Turbo S
Produit uniquement compatible avec l'échangeur WAGNER. Nous contacter si vous souhaitez le modèle pour échangeur de série
Ce Y-charge pipe unique a été conçu pour le...
€1,140.00Price
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
Jeu de câbles de puissance Twingo R2
Référence: 7711162774
€169.28Price
Guide jauge huile interne Twingo 2 RS y compris R1 et R2
Élément venant de monter dans le carter cylindre
€39.78Price