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PAC-1237X-16 PART NUMBER
PAC RPM Series Valve Springs PAC-1237X$525.88Dual Spring, 1.274" Outer Diameter, 0.900" ID outer, .630" Inner Diameter, Seat Pressure 200 @ 1.800, Open Pressure 585 @ 1.100, Coil Bind 1.045", Set of 16 Springs
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PAC-1901-16 PART NUMBER
PAC Hot Rod Series Valve Springs PAC-1901$255.72Dual Spring, 1.540" Outer Diameter, 1.140" ID outer, 0.745" Inner Diameter, Seat Pressure 145 @ 1.900, Open Pressure 465 @ 1.250, Coil Bind 1.130", Set of 16 Springs
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PAC-1903-16 PART NUMBER
PAC Hot Rod Series Valve Springs PAC-1903$181.22Dual Spring, 1.459" Outer Diameter, 1.075" ID outer, 0.794" Inner Diameter, Seat Pressure 120 @ 1.875, Open Pressure 394 @ 1.175, Coil Bind 1.060", Set of 16 Springs
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PAC-1904-16 PART NUMBER
PAC Hot Rod Series Valve Springs PAC-1904$233.48Dual Spring, 1.290" Outer Diameter, 0.950" ID outer, 0.694" Inner Diameter, Seat Pressure 150 @ 1.800, Open Pressure 400 @ 1.125, Coil Bind 1.010", Set of 16 Springs
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PAC-1905-16 PART NUMBER
PAC Hot Rod Series Valve Springs PAC-1905$250.15Dual Spring, 1.304" Outer Diameter, 0.950" ID outer, 0.694" Inner Diameter, Seat Pressure 160 @ 1.800, Open Pressure 425 @ 1.125, Coil Bind 1.020", Set of 16 Springs
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PAC-1908-16 PART NUMBER
PAC Hot Rod Series Valve Springs PAC-1908$183.44Dual Spring, 1.465" Outer Diameter, 1.090" ID outer, 0.807" Inner Diameter, Seat Pressure 106 @ 1.688, Open Pressure 306 @ 1.208, Coil Bind 0.910", Set of 16 Springs
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PAC-1914-16 PART NUMBER
PAC Hot Rod Series Valve Springs PAC-1914$173.90Dual Spring, 1.490" Outer Diameter, 1.105" ID outer, 0.810" Inner Diameter, Seat Pressure 165 @ 1.800, Open Pressure 385 @ 1.200, Coil Bind 1.100", Set of 16 Springs
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PAC-1916-16 PART NUMBER
PAC Hot Rod Series Valve Springs PAC-1916$172.33Dual Spring, 1.538" Outer Diameter, 1.140" ID outer, 0.752" Inner Diameter, Seat Pressure 157 @ 1.850, Open Pressure 440 @ 1.200, Coil Bind 1.135", Set of 16 Springs
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PAC-1924-16 PART NUMBER
PAC Hot Rod Series Valve Springs PAC-1924$273.50Dual Spring, 1.540" Outer Diameter, 1.140" ID outer, 0.754" Inner Diameter, Seat Pressure 144 @ 1.900, Open Pressure 403 @ 1.300, Coil Bind 1.125", Set of 16 Springs
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PAC-1940-16 PART NUMBER
PAC Hot Rod Series Valve Springs PAC-1940$386.90Dual Spring, 1.555" Outer Diameter, 1.140" ID outer, 0.747" Inner Diameter, Seat Pressure 194 @ 1.950, Open Pressure 500 @ 1.300, Coil Bind 1.120", Set of 16 Springs
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