Availability
Valve Springs, PAC Racing, Dual, 1.550 in. Outside Diameter, 525 lbs./in. Rate, 1.190 in. Coil Bind, Set of 16
Part Number: TFS-16955-16
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve Springs, PAC Racing, Dual, 1.324 in. Outside Diameter, 460 lbs./in. Rate, 1.000 in. Coil Bind, Set of 16
Part Number: TFS-16208-16
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve Springs, PAC Racing, Dual, 1.465 in. Outside Diameter, 417 lbs./in. Rate, .916 in. Coil Bind, Set of 16
Part Number: TFS-16838-16
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Cylinder Head, PowerPort® A460 340, Fast As Cast®, Assy, 83cc, 2.35" Int., Ti Ret, 18-Bolt, Ford 429/460, Each
Part Number: TFS-5451T802-M83
Not Yet Reviewed
Estimated Ship Date: Tomorrow
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Cylinder Head, DHC™ 200, CNC Street Ported, Assembled, 1.47 in. Springs, No Accessory Holes, Small Chevy, Each
Part Number: TFS-30210002-C00
Not Yet Reviewed
Estimated Ship Date: Tomorrow
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Valve Springs, PAC Racing, Dual, 1.539 in. Outside Diameter, 500 lbs./in. Rate, 1.125 in. Coil Bind, Set of 16
Part Number: TFS-16097-16
Not Yet Reviewed
Estimated Ship Date: Tomorrow
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Cylinder Head, High Port® 192, Fast As Cast®, Bare, 64cc CNC Chambers, Small Ford, Each
Part Number: TFS-5171B001-M64
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve Springs, PAC Racing, Dual, 1.645 in. Outside Diameter, 580 lbs./in. Rate, 1.130 in. Coil Bind, Set of 16
Part Number: TFS-16959-16
Not Yet Reviewed
Estimated Ship Date: Tomorrow
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Valve Spring, PAC Racing, Dual, 1.275 in. Outside Diameter, 450 lbs./in. Rate, 1.080 in. Coil Bind, Each
Part Number: TFS-16306-1
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve Spring, PAC Racing, Dual, 1.100 in. Outside Diameter, 233 lbs./in. Rate, .850 in. Coil Bind, Each
Part Number: TFS-16521-1
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve Springs, PAC Racing, Dual, 1.540 in. Outside Diameter, 492 lbs./in. Rate, 1.130 in. Coil Bind, Pair
Part Number: TFS-16896-2
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve Springs, PAC Racing, Dual, 1.560 in. Outside Diameter, 500 lbs./in. Rate, 1.100 in. Coil Bind, Each
Part Number: TFS-16318-1
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve Springs, PAC Racing, Dual, 1.550 in. Outside Diameter, 550 lbs./in. Rate, 1.068 in. Coil Bind, Pair
Part Number: TFS-16943-2
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve Spring, PAC Racing, Dual, 1.295 in. Outside Diameter, 377 lbs./in. Rate, 1.100 in. Coil Bind, Each
Part Number: TFS-30600414-1
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Cylinder Head, Twisted Wedge® 11R 205, CNC Competition Ported, Assembled, 66cc CNC Chambers, Small Ford, Each
Part Number: TFS-52616601-C03
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Cylinder Head, Ultra 18®, CNC Competition Ported, 56cc CNC Chambers, Ti Retainers, Small Chevy, Each
Part Number: TFS-3181T001-C01
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Cylinder Head, High Port 240, Assembled, 67cc CNC Chambers, Ford, 289, 302, 351W, Each
Part Number: TFS-5171T016-C02
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Cylinder Head, GenX® 220, Fast As Cast®, Assembled, 64cc CNC Chambers, Titanium Retainers, GM LS1, Each
Part Number: TFS-3061T001
Not Yet Reviewed
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Estimated Ship Date: Tomorrow
Cylinder Head, PowerPort® 290, Fast As Cast®, Assembled, 74cc Chambers, 120 Lb. Springs, CNC Combustion Chamber, Ford 429/460, Each
Part Number: TFS-53410001-M74
Not Yet Reviewed
Estimated Ship Date: Dec 10, 2025 if ordered today
Estimated Ship Date: Dec 10, 2025 if ordered today
Cylinder Head, High Port® 240, CNC Competition Ported, Bare, 67cc CNC Chambers, Small Ford, Each
Part Number: TFS-5171B016-C02
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Cylinder Head, High Port® 225, CNC Comp Port, Assy, 70cc CNC Chambers, 1.55" Spr, Ti Retain, Small Ford, Each
Part Number: TFS-5171T013-C01
Not Yet Reviewed
Estimated Ship Date: Tomorrow
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Cylinder Head, PowerPort® 320, Aluminum, Assembled, 122cc Chamber, 320cc Intake, Chevy, Big Block, Each
Part Number: TFS-41410001-M22
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Cylinder Head, PowerPort® 325, CNC Comp Ported, Assy, 78cc CNC Chambers, 1.64" Spr, Ti Ret, Ford 429/460, Each
Part Number: TFS-5341T010-C01
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Cylinder Head, Twisted Wedge® 11R 170, CNC Street Ported, Assembled, 63cc CNC Chambers, Small Ford, Each
Part Number: TFS-52516301-C00
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Cylinder Head, Twisted Wedge® 11R 190, CNC Street Ported, Assembled, 66cc CNC Chambers, Small Ford, Each
Part Number: TFS-52516601-C01
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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