Specifications

• Part# PAC-1366
• Name PAC-1366 Drag Race Triple
• SKU PAC-1366
• Alt Part# PAC-1366-16
• Description Drag Race 1300 Series Valve Spring 1.710 Triple - Pro Stock
• Outside Diameter 1.71
• Outer Spring ID 1.21
• Middle Spring ID 0.871
• Damper No
• Inner Spring ID 0.635
• Install Height 2.55
• Load at Installed Height 380
• Spring Open Height 1.25
• Spring Open Load 1545
• Recommended Valve Lift 1.35
• Spring Rate (lbs/in) 896
• Coil Bind (max) 1.14