PAC Racing Springs PAC-1325 - Circle Track 1300 Series Valve Spring 1.550 Dual Drag Race Spring - 0.800 lift

Part#: PAC-1325 Name: PAC-1325 Circle Track Dual SKU: PAC-1325 Alt Part#: PAC-1325-16 Description: Circle Track 1300 Series Valve Spring 1.550 Outside Diameter: 1.550 Outer Spring ID: 1.100 Middle Spring ID: N/A Damper: No Inner Spring ID: 0.788 Install Height: 2.000 Load at Installed Height: 250 Spring Open Height: 1.200 Spring Open Load: 765 Recommended Valve Lift: 0.800 Spring Rate (lbs/in): 644 Coil Bind (max): 1.150