Description: These Manual Valve Spring Compressors work great. Only when the valve springs have been used on three or four motors and are washered up to the moon. Yup, some twisted machinists think you shim springs closed to get better spring rate
These Manual Valve Spring Compressors work great. Only when the valve springs have been used on three or four motors and are washered up to the moon. Yup, some twisted machinists think you shim springs closed to get better spring rate
