Specifications

• Part# PAC-1228
• Name PAC-1228 Drag Race Dual
• SKU PAC-1228
• Alt Part# PAC-1228-16
• Description Drag Race 1200 Series Valve Spring 1.625 - 0.900 lift
• Outside Diameter 1.625
• Outer Spring ID 1.175
• Middle Spring ID N/A
• Damper no
• Inner Spring ID 0.851
• Install Height 2.100
• Load at Installed Height 280
• Spring Open Height 1.150
• Spring Open Load 847
• Recommended Valve Lift 0.900
• Spring Rate (lbs/in) 629
• Coil Bind (max) 1.100