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PAC-KS50 PART NUMBER
PAC RPM Series Dual Valve Spring Kit PAC-KS50$961.70.700" Max Lift, 1222X Dual Valve Springs, R455 Tool Steel Retainers, L8161 Valve Locks, S141 Spring Seats
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PAC-1344-16 PART NUMBER
PAC Circle Track Dual Valve Springs PAC-1344$640.39Dual Spring, 1.570" Outer Diameter, 1.120 ID outer, .780" Inner Diameter, Seat Pressure 190 @ 1.950, Open Pressure 710 @ 1.250, Coil Bind 1.055", Set of 16 Springs
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PAC-1222X-16 PART NUMBER
PAC RPM Series Valve Springs PAC-1222X$425.82Dual Spring, 1.280" Outer Diameter, 0.925" ID outer, .655" Inner Diameter, Seat Pressure 180 @ 1.800, Open Pressure 480 @ 1.100, Coil Bind 1.055", Set of 16 Springs
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PAC-1244-16 PART NUMBER
PAC Circle Track Endurance Valve Springs PAC-1244$418.03Dual Spring, 1.570" Outer Diameter, 1.120 ID outer, .780" Inner Diameter, Seat Pressure 190 @ 1.950, Open Pressure 710 @ 1.250, Coil Bind 1.055", Set of 16 Springs
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