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PAC-1344-16 PART NUMBER
PAC Circle Track Dual Valve Springs PAC-1344$640.39Dual Spring, 1.570" Outer Diameter, 1.120 ID outer, .780" Inner Diameter, Seat Pressure 190 @ 1.950, Open Pressure 710 @ 1.250, Coil Bind 1.055", Set of 16 Springs
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PAC-1371-16 PART NUMBER
PAC Circle Track Dual Valve Springs PAC-1371$420.26Dual Spring, 1.374" Outer Diameter, 1.000 ID outer, .716" Inner Diameter, Seat Pressure 150 @ 1.950, Open Pressure 455 @ 1.250, Coil Bind 1.175", Set of 16 Springs
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PAC-1940-16 PART NUMBER
PAC Hot Rod Series Valve Springs PAC-1940$386.90Dual Spring, 1.555" Outer Diameter, 1.140" ID outer, 0.747" Inner Diameter, Seat Pressure 194 @ 1.950, Open Pressure 500 @ 1.300, Coil Bind 1.120", Set of 16 Springs
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PAC-1203-16 PART NUMBER
PAC Circle Track Endurance Valve Springs PAC-1203$294.62Dual Spring, 1.260" Outer Diameter, 0.860 ID outer, .624" Inner Diameter, Seat Pressure 145 @ 1.800, Open Pressure 511 @ 1.200, Coil Bind 1.115", Set of 16 Springs
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PAC-1244-16 PART NUMBER
PAC Circle Track Endurance Valve Springs PAC-1244$418.03Dual Spring, 1.570" Outer Diameter, 1.120 ID outer, .780" Inner Diameter, Seat Pressure 190 @ 1.950, Open Pressure 710 @ 1.250, Coil Bind 1.055", Set of 16 Springs
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PAC-1255X-16 PART NUMBER
PAC RPM Beehive Series Valve Springs PAC-1255X$408.04Beehive Spring, 1.186" Bottom 1.445" Top Outer Diameter, 0.731" Bottom 0.990" Top Inner Diameter, Seat Pressure 175 @ 1.950, Open Pressure 440 @ 1.300, Coil Bind 1.220, Set of 16
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