PAC Racing Springs PAC-1238X - RPM Series Dual Valve Spring RACE ONLY Spring

Part#: PAC-1238X Name: PAC-1238X RPM Series RACE ONLY Dual SKU: PAC-1238X Alt Part#: PAC-1238X-16 Description: RPM Series Dual Valve Spring RACE ONLY Spring Outside Diameter: 1.274 Outer Spring ID: 0.900 Middle Spring ID: N/A Damper: No Inner Spring ID: 0.630 Install Height: 1.800 Load at Installed Height: 250 Spring Open Height: 1.050 Spring Open Load: 700 Recommended Valve Lift: 0.750 Spring Rate (lbs/in): 600 Coil Bind (max): 0.985