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PAC-1359-16 PART NUMBER
PAC 1300 Series Drag Race Valve Springs PAC-1359$640.39Dual Spring, 1.522" Outer Diameter, 1.050" ID of outer spring, 0.726" ID of inner spring, Seat Pressure 375 @ 2.200, Open Pressure 1200 @ 1.300, Coil Bind 1.190", Set of 16 Springs
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PAC-1360-16 PART NUMBER
PAC 1300 Series Drag Race Valve Springs PAC-1360$640.39Dual Spring, 1.522" Outer Diameter, 1.050" ID of outer spring, 0.726" ID of inner spring, Seat Pressure 400 @ 2.250, Open Pressure 1252 @ 1.300, Coil Bind 1.190", Set of 16 Springs
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