Specifications

• Part# PAC-1237X
• Name PAC-1237X RPM Series RACE ONLY Dual
• SKU PAC-1237X
• Alt Part# PAC-1237X-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 200
• Spring Open Height 1.100
• Spring Open Load 585
• Recommended Valve Lift 0.700
• Spring Rate (lbs/in) 550
• Coil Bind (max) 1.045