Specifications

• Part# PAC-1243
• Name PAC-1243 Circle Track Dual
• SKU PAC-1243
• Alt Part# PAC-1243-16
• Description Circle Track 1200 Series Valve Spring 1.550 Dual
• Outside Diameter 1.550
• Outer Spring ID 1.136
• Middle Spring ID N/A
• Damper No
• Inner Spring ID 0.812
• Install Height 1.900
• Load at Installed Height 240
• Spring Open Height 1.200
• Spring Open Load 625
• Recommended Valve Lift 0.700
• Spring Rate (lbs/in) 550
• Coil Bind (max) 1.053