Specifications

• Part# PAC-1530
• Name PAC-1530 Circle Track Dual
• SKU PAC-1530
• Alt Part# PAC-1530-16
• Description Circle Track 1500 Series Valve Spring Small Diameter Dual - nitrided Nano-Peen
• Outside Diameter 1.284
• Outer Spring ID 0.900
• Middle Spring ID N/A
• Damper No
• Inner Spring ID 0.616
• Install Height 2.00
• Load at Installed Height 160
• Spring Open Height 1.250
• Spring Open Load 580
• Recommended Valve Lift 0.750
• Spring Rate (lbs/in) 560
• Mass (grams) 111
• Coil Bind (max) 1.180