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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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Soupape échappement Inconel F4R 30mm
Attention +1mm par rapport à l'origine
Head Diam: 30.00mm...
€52.42Price
Improve your engine's responsiveness with the Turbosmart Dual Port Kompact Dump Valve (ref. TS-0203-1057) for Renault Clio 4 RS . Designed to replace the factory plastic unit which is often prone to leaking, this high-performance valve ensures perfect boost management and delivers...
€308.40Price
Improve your engine's responsiveness with the Turbosmart Kompact Shortie Dump Valve (ref. TS-0203-1308) for Renault Megane 3 RS . Designed to replace the factory plastic unit which is prone to leaking, this high-performance valve guarantees a perfect seal under high boost pressure and a sharper...
€235.91Price
Optimize the installation of your lubrication system with the genuine Renault oil jet installation tool. Designed for F4R engines in Renault Clio 2 & 3 RS and Megane 2 & 3 RS, this tool ensures a perfect fit and optimal precision, guaranteeing reliable and durable engine performance.
€137.94Price
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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
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
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
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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 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
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
COMPETITION INTERCOOLER KIT VAG 2.0TSI (EA888 Gen.4) <span...
€1,090.00Price
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
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
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
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
Demi coussinet noir ligne arbre Twingo R2
Référence: 8200859982-8200019804
€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
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 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
Collection de 24 grains de réglage soupapes admission Twingo R2 195-205
Référence: 7711167707
€485.14Price
Guide jauge huile interne Twingo 2 RS y compris R1 et R2
Élément venant de monter dans le carter cylindre
€39.78Price
Durites Charge pipes Ø70mm Wagner Ford Mustang Ecoboost
Le kit se compose d'1 tuyau en aluminium laqué noir, de 2 durites en silicone renforcées, d'1 adaptateur en silicone et de 6 colliers de serrage en inox.
€350.00Price
Epingle retenue butée de ressort de pompe à huile K4M
€1.22Price
Durites charges pipes Ø2.25 Wagner BMW M2/M3/M4 S55
Kit de tuyaux de charge Ø57mm (2,25 pouces) pour BMW F87 M2 Compétition / F80 M3 / F82 F83 M4 avec moteur S55 <br...
€440.00Price
Echangeur Wagner BMW M2 / M3 / M4 S55
Egalement compatible avec les M2 competition avec quelques ajustements dans le compartiment moteur (voir document en piece jointe)
Le moteur turbo 3,0 litres...
€2,290.00Price
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- Pack
Pompe à huile assemblée Twingo R2
Référence: 7711162823
€254.69Price
Echangeur Wagner GEN3 VAG 1.8-2.0 TSI avec moteur EA888
Ce refroidisseur intermédiaire de compétition a la taille de noyau suivante (640 mm x 410 mm x 65 mm), offrant 90 % de volume en plus par rapport au refroidisseur intermédiaire...
€1,040.00Price
Echangeur Wagner GEN2 EVO1 AUDI TTRS 8J RS3 8P
Ce kit de mise à niveau Intercooler est une refonte haute performance de l'intercooler OEM d'origine conçu spécifiquement pour les passionnés de réglage...
€750.00Price
Ressort de clapet de pompe à huile Twingo R2
€3.00Price
Stop restricting your 2.5 TFSI engine's true potential. The Wagner EVO 1 high-performance intercooler (part number 200001107 ) is the ultimate solution for Audi RS3 8V, 8Y, RSQ3, and TTRS 8S owners looking to eliminate heat-related power loss. This intercooler offers a significantly larger cooling surface than the stock unit,...
€1,020.00Price
Joint liaison tubulure échangeur / papillon Megane 3 RS
€9.36Price
Décanteur huile Twingo 2 RS et Wind
Référence: 8200951079
€47.74Price