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PAC-1201X-16 PART NUMBER
PAC Circle Track Endurance Valve Springs PAC-1201X$421.37Dual Spring, 1.260" Outer Diameter, 0.860 ID outer, .770" Inner Diameter, Seat Pressure 150 @ 1.750, Open Pressure 460 @ 1.200, Coil Bind 1.115", Set of 16 Springs
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PAC-1218X-16 PART NUMBER
PAC RPM Beehive Series Valve Springs PAC-1218X$327.98Beehive Spring, 1.055" Bottom 1.290" Top Outer Diameter, 0.650" Bottom 0.885" Top Inner Diameter, Seat Pressure 140 @ 1.800, Open Pressure 328 @ 1.200, Coil Bind 1.115, Set of 16
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PAC-1219X-16 PART NUMBER
PAC RPM Beehive Series Valve Springs PAC-1219X$327.98Beehive Spring, 1.072" Bottom 1.307" Top Outer Diameter, 0.650" Bottom 0.885" Top Inner Diameter, Seat Pressure 145 @ 1.800, Open Pressure 358 @ 1.175, Coil Bind 1.115, Set of 16
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PAC-1950-16 PART NUMBER
PAC Hot Rod Series Valve Springs PAC-1950$386.90Dual Spring, 1.645" Outer Diameter, 1.195" ID outer, 0.871" Inner Diameter, Seat Pressure 207 @ 2.050, Open Pressure 671 @ 1.250, Coil Bind 1.115", Set of 16 Springs
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