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PAC-1224-16 PART NUMBER
PAC 1200 Series Drag Race Valve Springs PAC-1224$418.03Dual Spring, 1.625" Outer Diameter, 1.175" ID of outer spring, 0.851" ID of inner spring, Seat Pressure 275 @ 2.000, Open Pressure 810 @ 1.150, Coil Bind 1.100", Set of 16 Springs
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PAC-1228-16 PART NUMBER
PAC 1200 Series Drag Race Valve Springs PAC-1228$418.03Dual Spring, 1.6250" Outer Diameter, 1.175" ID of outer spring, 0.788" ID of inner spring, Seat Pressure 280 @ 2.100, Open Pressure 847 @ 1.150, Coil Bind 1.100", Set of 16 Springs
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PAC-1324-16 PART NUMBER
PAC 1300 Series Drag Race Valve Springs PAC-1324$506.98Dual Spring, 1.625" Outer Diameter, 1.175" ID of outer spring, 0.851" ID of inner spring, Seat Pressure 275@ 2.000, Open Pressure 810 @ 1.150, Coil Bind 1.100", Set of 16 Springs
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PAC-1328-16 PART NUMBER
PAC 1300 Series Drag Race Valve Springs PAC-1328$506.98Dual Spring, 1.625" Outer Diameter, 1.175" ID of outer spring, 0.851" ID of inner spring, Seat Pressure 280 @ 2.100, Open Pressure 847 @ 1.150, Coil Bind 1.100", Set of 16 Springs
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