PAC Racing Springs PAC-1280X - RPM Series GM 604 Crate Engine Spring Blue Beehive

Part#: PAC-1280X Name: PAC-1280X RPM Series GM 604 Crate Motor Blue Ovate Wire Beehive SKU: PAC-1280X Alt Part#: PAC-1280X-16 Description: RPM Series GM 604 Crate Engine Spring Blue Beehive Outside Diameter: 1.282 Outer Spring ID: 0.860 Middle Spring ID: NA Damper: 1.077 Inner Spring ID: 0.655 Install Height: 1.80 Load at Installed Height: 92 Spring Open Height: 1.300 Spring Open Load: 285 Recommended Valve Lift: 0.5 Spring Rate (lbs/in): 386 Coil Bind (max): 1.181