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STK Performance Valve Springs

Dual Valve Spring sets consist of an innerspring and an outer spring per valve. These springs are rated at 200 […]

Performance camshafts are referred to as billets in the trade, but this is incorrect in this case. A Billet is

When operating at high RPM it is advisable to replace the standard production valve spring with a heavy-duty valve spring.

There is so much debate around camshafts, which is the best to use, mild or wild duration, high or mild

REV Kits We receive calls daily regarding requests for Rev Kits… unfortunately, the understanding of a Rev Kit is completely

STK Performance Cam Bucket for Mechanical / Solid Application ( Volkswagen 8v & 16v ) Part Number STK3S Improved top thickness

The STK Performance Valve is forged using 21-4N Stainless Steel which is strong and can handle most applications. What is

Valve Spring Pocket Clearance Valve spring pocket clearance is the gap between the inside diameter of the valve spring pocket