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PAC 1500 Series Circle Track Valve Springs


PAC Racing Springs
PAC 1500 Series Circle Track Valve Springs

Product images may differ from actual product appearance.

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.


16 Products
1500 Series Circle Track Valve Springs

278-1509-1
1500 Series Dual Valve Spring
  • Spring OD: 1.539
  • Spring ID: 0.731
  • Seat Pressure: 200 LBS @ 2.000
  • Open Pressure: 550 LBS @ 1.300
  • Spring Rate: 500
  • Max Coil Bind: 1.130
  • Max Lift: .750
  • 1/pkg
  • $39.78
    Order Today Ships 09/09/14

    278-1509-16
    1500 Series Dual Valve Springs
  • Spring OD: 1.539
  • Spring ID: 0.731
  • Seat Pressure: 200 LBS @ 2.000
  • Open Pressure: 550 LBS @ 1.300
  • Spring Rate: 500
  • Max Coil Bind: 1.130
  • Max Lift: .750
  • 16/pkg
  • $636.48
    Order Today Ships 09/09/14

    278-1530-1
    1500 Series Dual Valve Spring
  • Spring OD: 1.284
  • Spring ID: 0.616
  • Seat Pressure: 160 LBS @ 2.000
  • Open Pressure: 580 LBS @ 1.180
  • Spring Rate: 560
  • Max Coil Bind: 1.180
  • Max Lift: .750
  • 1/pkg
  • $52.34
    Order Today Ships 09/09/14

    278-1530-16
    1500 Series Dual Valve Springs
  • Spring OD: 1.284
  • Spring ID: 0.616
  • Seat Pressure: 160 LBS @ 2.000
  • Open Pressure: 580 LBS @ 1.180
  • Spring Rate: 560
  • Max Coil Bind: 1.180
  • Max Lift: .750
  • 16/pkg
  • $837.44
    Order Today Ships 09/09/14

    278-1561-1
    1500 Series Dual Valve Spring
  • Spring OD: 1.514
  • Spring ID: 0.804
  • Seat Pressure: 250 LBS @ 2.000
  • Open Pressure: 636 LBS @ 1.200
  • Spring Rate: 483
  • Max Coil Bind: 1.160
  • Max Lift: .800
  • 1/pkg
  • $39.78
    Order Today Ships 09/09/14

    278-1561-16
    1500 Series Dual Valve Springs
  • Spring OD: 1.514
  • Spring ID: 0.804
  • Seat Pressure: 250 LBS @ 2.000
  • Open Pressure: 636 LBS @ 1.200
  • Spring Rate: 483
  • Max Coil Bind: 1.160
  • Max Lift: .800
  • 16/pkg
  • $636.48
    Order Today Ships 09/09/14

    278-1572-1
    1500 Series Dual Valve Spring
  • Spring OD: 1.510
  • Spring ID: 0.774
  • Seat Pressure: 180 LBS @ 1.980
  • Open Pressure: 650 LBS @ 1.180
  • Spring Rate: 588
  • Max Coil Bind: 1.110
  • Max Lift: .800
  • 1/pkg
  • $39.78
    Order Today Ships 09/09/14

    278-1572-16
    1500 Series Dual Valve Springs
  • Spring OD: 1.510
  • Spring ID: 0.774
  • Seat Pressure: 180 LBS @ 1.980
  • Open Pressure: 650 LBS @ 1.180
  • Spring Rate: 588
  • Max Coil Bind: 1.110
  • Max Lift: .800
  • 16/pkg
  • $636.48
    Order Today Ships 09/09/14

    278-1574-1
    1500 Series Dual Valve Spring
  • Spring OD: 1.510
  • Spring ID: 0.762
  • Seat Pressure: 180 LBS @ 1.980
  • Open Pressure: 685 LBS @ 1.180
  • Spring Rate: 631
  • Max Coil Bind: 1.110
  • Max Lift: .850
  • 1/pkg
  • $39.78
    Order Today Ships 09/09/14

    278-1574-16
    1500 Series Dual Valve Springs
  • Spring OD: 1.510
  • Spring ID: 0.762
  • Seat Pressure: 180 LBS @ 1.980
  • Open Pressure: 685 LBS @ 1.180
  • Spring Rate: 631
  • Max Coil Bind: 1.110
  • Max Lift: .850
  • 16/pkg
  • $636.48
    Order Today Ships 09/09/14

    278-1575-1
    1500 Series Dual Valve Spring
  • 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
  • 1/pkg
  • $39.78
    Order Today Ships 09/09/14

    278-1575-16
    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
  • $636.48
    Order Today Ships 09/09/14

    278-1589-1
    1500 Series Dual Valve Spring
  • Spring OD: 1.464
  • Spring ID: 0.754
  • Seat Pressure: 250 LBS @ 2.000
  • Open Pressure: 627 LBS @ 1.250
  • Spring Rate: 502
  • Max Coil Bind: 1.160
  • Max Lift: .750
  • 1/pkg
  • $39.78
    Order Today Ships 09/09/14

    278-1589-16
    1500 Series Dual Valve Springs
  • Spring OD: 1.464
  • Spring ID: 0.754
  • Seat Pressure: 250 LBS @ 2.000
  • Open Pressure: 627 LBS @ 1.250
  • Spring Rate: 502
  • Max Coil Bind: 1.160
  • Max Lift: .750
  • 16/pkg
  • $636.48
    Order Today Ships 09/09/14

    278-1590-1
    1500 Series Dual Valve Spring
  • Spring OD: 1.474
  • Spring ID: 0.754
  • Seat Pressure: 250 LBS @ 2.050
  • Open Pressure: 670 LBS @ 1.200
  • Spring Rate: 525
  • Max Coil Bind: 1.195
  • Max Lift: .800
  • 1/pkg
  • $39.78
    Order Today Ships 09/09/14

    278-1590-16
    1500 Series Dual Valve Springs
  • Spring OD: 1.474
  • Spring ID: 0.754
  • Seat Pressure: 250 LBS @ 2.050
  • Open Pressure: 670 LBS @ 1.200
  • Spring Rate: 525
  • Max Coil Bind: 1.195
  • Max Lift: .800
  • 16/pkg
  • $636.48
    Order Today Ships 09/09/14

    16 Products