Specifications

• Part# PAC-1201X
• Name PAC-1201X RPM Series Circle Track Single w/Damper
• SKU PAC-1201X
• Alt Part# PAC-1201X-16
• Description Circle Track 1200 Series Valve Spring RPM Series Premium Version of the PAC-1201
• Outside Diameter 1.260
• Outer Spring ID 0.860
• Middle Spring ID N/A
• Damper Yes
• Inner Spring ID 0.770
• Install Height 1.750
• Load at Installed Height 150
• Spring Open Height 1.200
• Spring Open Load 460
• Recommended Valve Lift 0.550
• Spring Rate (lbs/in) 540
• Coil Bind (max) 1.115