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MAN-221454P-16 PART NUMBER
Manley 221454P-16 Polished NexTek Drag Race Valve Springs$672.35Double Spring without Damper, Pro Stock, Fuel, Alcohol, 1.650" Outer Diameter, .855" Inner Diameter, Seat Pressure 290 @ 2.000, Open Pressure 825 @ 1.150, Coil Bind 1.105", Set of 16
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PAC-1394-16 PART NUMBER
PAC Circle Track Dual Valve Springs PAC-1394$697.10Dual Spring, 1.510" Outer Diameter, 1.086 ID outer, .762" Inner Diameter, Seat Pressure 180 @ 1.980, Open Pressure 685 @ 1.180, Coil Bind 1.105", Set of 16 Springs
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