100% Brand New,never been use
The PAC-1219 Spring Kit is a drop-in high performance spring kit for all OE LS cylinder heads and is rated for up to .625" lift.
This spring kit uses all OE hardware, including seats, retainers, and locks and is 100% drop-in.
The PAC-1219s are an ovate beehive spring that has increased loads, rates and frequencies for more aggressive cams.
This is a full set of 16 springs.
Professional Installation is Highly Recommended (No Instruction Included).
Specs:
Outside Diameter of Outer Spring (in): 1.307 in.
Number of Springs Per Valve: Single
Coil Bind Height (in): 1.100 in.
Damper Spring Included: No
Recommended Valve Lift: 0.625 in
Install Load: 135lbs
Install Height: 1.800"
Open Height: 1.175"
Open Load: 348 lbs
Spring Rate (lbs/in): 340 lbs./in.
Inside Diameter of Outer Spring (in): 0.885 in.
Valve Spring Style: Beehive
Fitment:
For All LS Engines - .625" Lift Rated.
Package includes:
16X Beehive Valve Sprin