LS1/LS2/LS6 Engine
1.290″ Single Spring
16/pkg
Designed for hydraulic cams
.625” maximum lift
Originally designed for LS1, LS2 and LS6 4.8L 5.3L 5.7L 6.0L engines
Will work in 5.7 Hemi engine with part 249-761 or 249-762 retainer as well as many other engine combinations.
Specs
OD: Top 1.075″ Bottom 1.310″
ID: Top .650″ Bottom .885″
Seat Pressure: 125 lbs @ 1.800”
Open Pressure: 367 lbs @ 1.150”
Coil Bind: 1.100″
Spring Rate: 372 lbs/in