Brian Tooley .660" Lift Platinum Spring kit Sk001 BTR
With Titanium Retainers For LS1, LS2, LS3 and LSA Engines
THESE ARE FOR STOCK ROCKERS
.660" Lift Platinum Spring Kit
SP001/SK001 springs are designed for use with stock rockers.
Heavier roller rockers require more spring pressure to maintain control of the valve train.
We recommend our SP002/SK002 for roller rocker applications.
