Pac Dual Valve Springs, 1.270" 155-448lbs@1.810", .650" Lift Set of 16

Spring Specifications:

Outside Diameter:1.270"
Middle Spring ID: N/A
Damper:No
Inner Spring ID: 0.645"
Install Height: 1.810"
Load at Installed Height: 155lbs
Spring Open Height: 1.160"
Spring Open Load: 448lbs
Recommended Valve Lift: 0.650"
Spring Rate (lbs/in): 450lbs
Coil Bind (max): 1.080"