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PAC-1357-16 PART NUMBER
PAC 1300 Series Drag Race Valve Springs PAC-1357$640.39Dual Spring, 1.500" Outer Diameter, 1.050" ID of outer spring, 0.726" ID of inner spring, Seat Pressure 375 @ 2.150, Open Pressure 1116 @ 1.200, Coil Bind 1.130", Set of 16 Springs
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PAC-1347-16 PART NUMBER
PAC 1300 Series Drag Race Valve Springs PAC-1347$600.37Triple Spring, 1.645" Outer Diameter, 1.195" ID of outer spring, 0.871" ID of middle, 0.635" ID of inner spring, Seat Pressure 290 @ 2.070, Open Pressure 835 @ 1.270, Coil Bind 1.130", Set of 16 Springs
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PAC-1348-16 PART NUMBER
PAC 1300 Series Drag Race Valve Springs PAC-1348$600.37Triple Spring, 1.645" Outer Diameter, 1.195" ID of outer spring, 0.871" ID of middle, 0.635" ID of inner spring, Seat Pressure 332 @ 2.100, Open Pressure 950 @ 1.200, Coil Bind 1.130", Set of 16 Springs
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PAC-1349-16 PART NUMBER
PAC 1300 Series Drag Race Valve Springs PAC-1349$600.37Triple Spring, 1.645" Outer Diameter, 1.195" ID of outer spring, 0.871" ID of middle, 0.635" ID of inner spring, Seat Pressure 375 @ 2.200, Open Pressure 1064 @ 1.200, Coil Bind 1.130", Set of 16 Springs
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PAC-1350-16 PART NUMBER
PAC 1300 Series Drag Race Valve Springs PAC-1350$600.37Triple Spring, 1.645" Outer Diameter, 1.195" ID of outer spring, 0.871" ID of middle, 0.635" ID of inner spring, Seat Pressure 440 @ 2.200, Open Pressure 1129 @ 1.200, Coil Bind 1.130", Set of 16 Springs
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PAC-1901-16 PART NUMBER
PAC Hot Rod Series Valve Springs PAC-1901$255.72Dual Spring, 1.540" Outer Diameter, 1.140" ID outer, 0.745" Inner Diameter, Seat Pressure 145 @ 1.900, Open Pressure 465 @ 1.250, Coil Bind 1.130", Set of 16 Springs
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PAC-1250-16 PART NUMBER
PAC-1250 1200 Series Drag Race Valve Springs PAC$495.86Triple Spring, 1.645" Outer Diameter, 1.195" ID of outer spring, 0.871" ID of middle spring, 0.635" ID of inner spring, Seat Pressure 440 @ 2.200, Open Pressure 1129 @ 1.200, Coil Bind 1.130", Set of 16 Springs
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PAC-1355H-16 PART NUMBER
PAC 1300 Series Drag Race Valve Springs PAC-1355H$640.39Dual Spring, 1.500" Outer Diameter, 1.050" ID of outer spring, 0.726" ID of inner spring, Seat Pressure 440 @ 2.200, Open Pressure 1220 @ 1.200, Coil Bind 1.130", 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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