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PAC-1331-16 PART NUMBER
PAC 1300 Series Drag Race Valve Springs PAC-1331$640.39Dual Spring, 1.514" Outer Diameter, 1.050" ID of outer spring, 0.726" ID of inner spring, Seat Pressure 425 @ 2.200, Open Pressure 1288 @ 1.200, Coil Bind 1.160", Set of 16 Springs
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PAC-1332-16 PART NUMBER
PAC 1300 Series Drag Race Valve Springs PAC-1332$640.39Dual Spring, 1.514" Outer Diameter, 1.050" ID of outer spring, 0.726" ID of inner spring, Seat Pressure 350 @ 2.100, Open Pressure 1127 @ 1.200, Coil Bind 1.160", Set of 16 Springs
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PAC-1351-16 PART NUMBER
PAC 1300 Series Drag Race Valve Springs PAC-1351$667.08Triple Spring, 1.667" Outer Diameter, 1.195" ID of outer spring, 0.871" ID of middle, 0.635" ID of inner spring, Seat Pressure 450 @ 2.300, Open Pressure 1240 @ 1.250, Coil Bind 1.160", Set of 16 Springs
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PAC-1351H-16 PART NUMBER
PAC 1300 Series Drag Race Valve Springs PAC-1351H$667.08Triple Spring, 1.667" Outer Diameter, 1.195" ID of outer spring, 0.871" ID of middle, 0.635" ID of inner spring, Seat Pressure 525 @ 2.300, Open Pressure 1315 @ 1.250, Coil Bind 1.160", Set of 16 Springs
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PAC-1351L-16 PART NUMBER
PAC 1300 Series Drag Race Valve Springs PAC-1351L$667.08Triple Spring, 1.667" Outer Diameter, 1.195" ID of outer spring, 0.871" ID of middle, 0.635" ID of inner spring, Seat Pressure 412 @ 2.300, Open Pressure 732 @ 1.250, Coil Bind 1.160", Set of 16 Springs
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PAC-1333-16 PART NUMBER
PAC 1300 Series Drag Race Valve Springs PAC-1333$640.39Dual Spring, 1.274" Outer Diameter, 0.900" ID of outer spring, 0.616" ID of inner spring, Seat Pressure 245 @ 1.800, Open Pressure 750 @ 1.050, Coil Bind 1.160", Set of 16 Springs
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