0.030" Valve Spring Seat Shim Set
Mini A-Series Racing 0.030" Valve Spring Seat Shim Set
£12.80 Incl VAT £15.36
Hardened valve spring seats designed to be used with Swiftune race valve springs. These will allow you to achieve the correct fitted length for your valve springs, which will give you the correct spring pressures. As a hardened shim, these will prevent the springs from digging in to the head face.