The Turbo Engineers TTE350 turbocharger presents an advanced performance solution for the VAG 1.8T 20V engine, with a capability of achieving up to 350hp. This turbocharger leverages a significantly adapted OEM Borg Warner K04-064 base, incorporating multiple features to boost efficiency and output...

The TTE300 turbocharger by The Turbo Engineers is a substantially enhanced Borg Warner turbo designed to deliver over 300 horsepower for the VAG 1.8T 20V engine. Customers have the option to purchase a new turbocharger or send in a K04 turbo (must be in good condition) for a TTE upgrade.Seamless ..

The Ferrea Racing valve spring kit is designed for 1.8T 20V engines, compatible with models such as the S3 8L, TT 8N, Leon 1M, and Golf 4 GTI. This comprehensive kit includes a combination of single and dual precision-wound valve springs, titanium retainers, and seat locators for both intake and exh..

Crafted in the USA by JE Pistons using robust 2618 aluminum alloy, this kit includes four forged pistons specially designed for the 1.8T 20V engines of the Audi S3 8L, TT 8N, Leon 1M, among others. Available in three bore sizes: the standard 81.0mm, and oversized options of 81.5mm and 82.0mm for mac..

This kit contains 20 high-performance Ferrea Racing engine valves, crafted from Super Alloy in the Super Flo series. They are designed for direct replacement in OEM heads, or can be used with machined heads, offering a 1mm increase in size. These valves are compatible with 1.8T 20V engines found in ..

Crafted in Japan, Okada Projects' high-performance ignition coils are the premier choice for the 1.8T 20V engines in the Audi S3 8L, TT 8N, Leon 1M, Golf 4 GTI, and Polo 9N GTI. This set includes four ignition coils equipped with Plasma Direct technology, which enhances power and torque, boosts thro..

Constructed in Greece, these ZRP forged connecting rods are crafted from premium billet 4340 steel and are tailored for 2.0 TFSI EA113 engines used in vehicles like the Audi S3 8P, Golf 6 R, Leon 2 Cupra, among others. Featuring an I-beam construction, AMPCO 18 wrist pin bushings, and ARP2000 bolts,..

Manufactured in Greece, these ZRP forged connecting rods are crafted from premium billet 4340 steel and tailored specifically for 1.8T 20V engines used in models such as the Audi S3 8L, TT 8N, and Leon 1M 1.8T 20V. They feature an I-beam structure, AMPCO 18 wrist pin bushings, and are equipped with ..

The Forge Motorsport oil baffled sump is engineered to prevent temporary oil starvation when subjected to intense acceleration, braking, or cornering, safeguarding vital engine parts from damage. It incorporates baffles and Viton oil control valves to facilitate seamless oil circulation throughout t..

The Turbosmart IWG75 internal wastegate is the perfect upgrade for the K04 turbochargers of the 1.8T 20V engines in models like the S3 8L, TT 8N, and Leon 1M Cupra. This turbo actuator delivers rapid response times and superior pressure stability, and installs seamlessly without the need for modific..

The Turbosmart Kompact dual port dump valve delivers exceptional performance and can be seamlessly integrated into the 1.8T 20V engines of vehicles such as the Audi S3 8L, Golf 4 GTI, Leon 1M Cupra, and Polo 9N3 GTI without any modifications. This valve boasts a hybrid design that operates silently ..

The Turbosmart Kompact fuel pressure regulator is engineered with a robust stainless steel valve and a MILSPEC diaphragm, ensuring full compatibility with E85. It supports up to 800hp and seamlessly integrates with the fuel rail of 1.8T 20V engines in vehicles such as the Audi S3 8L, Leon 1M Cupra, ..

Designed for seamless compatibility with 1.8T 20V engines, the Turbosmart Kompact Plumb Back dump valve is an ideal upgrade for vehicles like the Audi S3 8L, Golf 4 GTI, Leon 1M Cupra, Polo 9N GTI, and others in this category. This premium dump valve features a recirculating design that ensures a si..

Enhance your 1.8T 20V engine's performance with these NGK high-performance iridium IX spark plugs, a top choice for upgrades. These plugs are one heat range cooler than the standard OEM, offering superior heat dissipation and spark consistency, ideal for stage 2 vehicles.Seamless bolt-on fitme..

The ITG Profilter designed for Audi S3 8L, TT 8N, Leon 1M, and Golf 4 GTI 1.8T 20V is an effective enhancement over standard OEM air filters. It features a stainless steel wire mesh and Tri-foam filtration technology, engineered to increase airflow with minimal pressure drop. This superior replaceme..

The Ramair Proram panel air filter represents a premium upgrade designed specifically for the 1.8T 20V engines found in the Golf 4 GTI, Leon 1M, S3 8L, and TT 8N models. Crafted to enhance air flow, this filter provides superior filtration and is built to last with minimal maintenance required.Se..

The Ramair panel air filter is meticulously crafted for the 1.8T 20V engines found in the Audi TT 8N, Golf 4 GTI, S3 8L, and Leon 1M models. This filter features a twin-core Aeriform foam and is encased in a stainless steel cage, ensuring robustness, superior longevity, and peak performance.Seaml..

The Alpha Competition silicone turbo outlet hose is specifically designed for K04 turbos in 1.8T 20V engines, compatible with Audi S3 8L, TT 8N, and Leon 1M Cupra (210/225 and 240hp) models. This outlet elbow, connecting the turbo to the upper intercooler pipe, is built from high-quality, multi-laye..

The Turbosmart adapter provides an economical and simple method for mounting a fuel pressure regulator onto the original injection rail of 1.8T 20V engines, commonly seen in models such as S3 8L, Golf 4 GTI, Leon 1M, Polo 9N GTI, and more.Easy direct fit Premium aluminum build Elegant silver fini..

This valve cover gasket set is designed as an exact substitute for the original equipment manufacturer (OEM) gaskets found in the 1.8T 20V engines of various models, including Audi S3 8L, TT Mk1, Golf 4 GTI, Leon 1M Cupra, and Polo 9N GTI. It is essential to replace these gaskets every time the valv..