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CRW-68157-16 PART NUMBER
Crower 68157-16 Performance Valve Springs, Dual Spring, OD 1.290$198.49
Dual Spring, OD 1.290 ID .950 Spring Diameter, Lowest Pressure 128 @ 1.850, Highest Pressure 415 @ 1.100, .172/.134 Wire Diameter, Coil Bind 1.040" with .050" step, Set of 16 Learn More -
CRW-68878-16 PART NUMBER
Crower 68878-16 Performance Valve Springs, Single Spring, OD 1.050$374.85
Single Spring, OD 1.050 ID .650 at top OD 1.290 ID .885 at bottom Spring Diameter, Lowest Pressure 132 @ 1.800, Highest Pressure 336 @ 1.150, .168/.200 Wire Diameter, Coil Bind 1.080", Set of 16 Learn More -
PAC-1204X-16 PART NUMBER
PAC RPM Series Valve Springs PAC-1204X$420.26Dual Spring, 1.290" Outer Diameter, 0.950" ID outer, .694" Inner Diameter, Seat Pressure 145 @ 1.800, Open Pressure 385 @ 1.150, Coil Bind 1.000", Set of 16 Springs
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PAC-1206X-16 PART NUMBER
PAC RPM Series Valve Springs PAC-1206X$420.26Dual Spring, 1.290" Outer Diameter, 0.950" ID outer, .680" Inner Diameter, Seat Pressure 145 @ 1.800, Open Pressure 411 @ 1.150, Coil Bind 1.000", 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-1218X-16 PART NUMBER
PAC RPM Beehive Series Valve Springs PAC-1218X$327.98Beehive Spring, 1.055" Bottom 1.290" Top Outer Diameter, 0.650" Bottom 0.885" Top Inner Diameter, Seat Pressure 140 @ 1.800, Open Pressure 328 @ 1.200, Coil Bind 1.115, Set of 16
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