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PAC-1294-16 PART NUMBER
PAC Circle Track Endurance Valve Springs PAC-1294$444.72Dual Spring, 1.545" Outer Diameter, 1.131 ID outer, .757" Inner Diameter, Seat Pressure 175 @ 1.900, Open Pressure 442 @ 1.275, Coil Bind 1.185", Set of 16 Springs
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PAC-1918-16 PART NUMBER
PAC Hot Rod Series Valve Springs PAC-1918$425.82Dual Spring, 1.545" Outer Diameter, 1.130" ID outer, 0.737" Inner Diameter, Seat Pressure 140 @ 1.800, Open Pressure 457 @ 1.175, Coil Bind 1.130", Set of 16 Springs
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