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PAC-1221X-16 PART NUMBER
PAC RPM Series Valve Springs PAC-1221X$240.14Dual Spring, 1.300" Outer Diameter, 0.895" ID outer, .650" Inner Diameter, Seat Pressure 160 @ 1.800, Open Pressure 424 @ 1.150, Coil Bind 1.080", Set of 16 Springs
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PAC-1334-16 PART NUMBER
PAC 1300 Series Drag Race Valve Springs PAC-1334$640.39Dual Spring, 1.300" Outer Diameter, 0.900" ID of outer spring, 0.630" ID of inner spring, Seat Pressure 255 @ 1.800, Open Pressure 810 @ 1.050, Coil Bind 0.973", Set of 16 Springs
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CNC-Motorsports offers the best crate engines and race engines you can buy. We specialize in domesti...
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CNC-Motorsports offers the best brands in aftermarket performance auto parts. We specialize in perfo...
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