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PAC-1337-16 PART NUMBER
PAC 1300 Series Drag Race Valve Springs PAC-1337$733.79Dual Spring, 1.561" Outer Diameter, 1.075" ID of outer spring, 0.735" ID of inner spring, Seat Pressure 600 @ 2.300, Open Pressure 1500 @ 1.300, Coil Bind 1.230", Set of 16 Springs
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