Full set of HD Valve springs.
These springs feature 1 less coil therefore eliminating coil binding when using uprated performance camshafts.
Suitable for Crower 50299, 50230 & 50232*
For sustained high rpm use double springs should be used with 50232, 50233,50234.
Valve Spring shiming may be required to obtain the correct valve spring installed height (1.54").