SKU: PAC-1575-16
1500 Series Dual Valve Springs Spring OD: 1.409
Pac 1500 series valve springs offer an industry leading nitriding process that allows for the material to withstand the abusive wear and fatigue of the typical endurance engine environment. These springs come fully prepared for racing conditions with chamfering, polishing, and the latest surface enhancement technology available. From 24 hours of Lemans to the rigors of NASCAR the 1500 series spring has the history to withstand this environment.
1500 Series Circle Track Valve Springs
1500 Series Dual Valve Springs
Spring OD: 1.409
Spring ID: 0.700
Seat Pressure: 150 LBS @ 2.000
Open Pressure: 645 LBS @ 1.150
Spring Rate: 582
Max Coil Bind: 1.110
Max Lift: .850
16/pkg