VAG 2.5TFSI RS3 / TT-RS Cylinder head parts, ULTI Kit Bar-Tek

Ultimate Cylinder Head upgrade for the 2.5L TFSI Audi RS3 / TT-RS engine to keep up with the High Boost pressure you are aiming for. With these parts your powerhouse stays in order even at 1000 HP and high rpms!

This famous 2.5L beast is used in RS3 and TT-RS models, please choose your engine generation from options menu according to your vehicle if it’s of facelift or pre-facelift model.

Here you go, a set of perfectly matched parts that get everything out of your cylinder head when hitting those big numbers. Valve springs, valves, stem seals, guides, hydraulic lifters and cam followers – you’ve got covered. In this kit, you will also get new rocker arms which can sometimes become a weak spot in these engines.

With this ULTIMATE kit is that you save significantly money compared to buying them individually, and all components are proven to work well together.

High Boost pressures for 2.5TFSI engines

High quality set for up to 1000hp when needed, here’s what you will get.

Valve Spring set
Faster response
Higher engine speed possible
Optimal also when using upgrade camshafts
Lighter valve train due to titaniumspring retainer
Stable for boost pressures far above 2 bar (tested up to 3 bar)
10 springs exhaust
10 springs intake
Spring retainer made of titanium

Bar-Tek valve kit
High temperature resistance
Strong tensile strength
Special heat treated material
High strength material
Quality and workmanship at the highest level
3-groove wedges for perfect hold

Hydraulic lifters + cam followers
Made in Germany
OEM quality

Valve stem seals
High temperature resistance
Improved sliding properties
Longer service life
For 6mm valves

Valve guides
High temperature resistance
Improved thermal conductivity
Longer valve and valve seat life
Better cylinder filling due to conical shape