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Designed for LS1, LS2 and LS6 engines when a performance cam is used. This spring, when combined with the appropriate titanium retainer, will outperform almost every spring package in the Gen III engine. This spring is designed for a maximum of .600" lift at the valve, so it is the most ideal spring for most street and mild race applications.
SPECS:
O.D.: 1.055/1.290
I.D.: 0.650/0.885
Seat Load: 130@ 1.800
Open Load: 333 @ 1.150
Coil Bind: 1.140
Rate(lbs./in.): 313
TitaniumRetainer: 772,762
SteelRetainer: 774,783,761,787
Cup/Seat: N/A
Shims: 4753