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MAN-221442-16 PART NUMBER
Manley 221442-16 Nextek Oval Track Series Valve Springs$598.27Circle Track Roller, Double Spring without Damper, 1.560" Outer Diameter, .812" Inner Diameter, Seat Pressure 260 @ 2.000, Open Pressure 660 @ 1.250, Coil Bind 1.200", Set of 16 Learn More -
ISK-9975 PART NUMBER
Isky 9975 1.560" Dual Tool Room Valve Springs$487.95Dual Spring, 1.560" Outer Diameter, .740" Inner Diameter, Seat Pressure 245 @ 1.970, Open Pressure 585 @ 1.290, Coil Bind 1.190", Set of 16 Learn More