Availability
Cylinder Head, DHC™ 175, Fast As Cast®, Assembled, 1.470 in. Springs, Accessory Bolt Holes, Small Chevy, Each
Part Number: TFS-30210006
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Cylinder Head, PowerPort® 365, CNC Comp Port, Assy, 119cc CNC, 2.35" Int, 1.645" Spr, Ti Ret, Big Chevy, Each
Part Number: TFS-4141T804-C02
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Cylinder Head, DHC™ 175, Fast As Cast®, Assembled, 1.460 in. Springs, Accessory Bolt Holes, Small Chevy, Each
Part Number: TFS-30210007
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Cylinder Head, GenX® 255, CNC Comp Port, Assembled, 69cc CNC Chamber, 450 Lb. Springs, Ti Retain, GM LSX, Each
Part Number: TFS-3261T002-C01
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Cylinder Head, GenX® 255, CNC Comp Port, Assy, 69cc CNC Chamber, 450 lbs. Springs, Ti Retain, 6-Bolt, GM LSX, Each
Part Number: TFS-3261T004-C01
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Cylinder Head, GenX® 280 HIP, CNC Competition Ported, Assembled, 280cc Ports, Titanium Retainers, 6-Bolt Pattern, GM LS3, LSX, Each
Part Number: TFS-3261T04-HC01
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Cylinder Head, GenX® 220, Fast As Cast®, Assembled, 64cc CNC Chambers, Titanium Retainers, GM LS1, Each
Part Number: TFS-3061T001
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Cylinder Head, DHC™ 175, Fast As Cast®, Assembled, 1.470 in. Springs, No Accessory Bolt Holes, Small Chevy, Each
Part Number: TFS-30210002
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Cylinder Head, GenX® 225, CNC Competition Ported, Assembled, 65cc CNC Chambers, Ti Retainers, GM LS2, Each
Part Number: TFS-3061T001-C02
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Cylinder Head, GenX® 220, Fast As Cast®, Assembled, 64cc CNC Chambers, GM LS1, Each
Part Number: TFS-30610001
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Cylinder Head, DHC™ 200, CNC Street Ported, Assembled, 1.46 in. Springs, With Accessory Holes, Chevy, Each
Part Number: TFS-30210007-C00
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Cylinder Head, DHC™ 200, CNC Street Ported, Assembled, 1.47 in. Springs, With Accessory Holes, Chevy, Each
Part Number: TFS-30210006-C00
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Cylinder Head, GenX® 220, Fast As Cast®, Assembled, 65cc CNC Chambers, Titanium Retainers, GM LS2, Each
Part Number: TFS-3061T002
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Cylinder Head, GenX® 255, CNC Competition Ported, Assembled, 69cc CNC Chambers, 370 Lb. Springs, GM LSX, Each
Part Number: TFS-32610001-C01
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
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: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Cylinder Head, GenX® 255, CNC Competition Ported, Assembled, 69cc CNC Chambers, 450 Lb. Springs, GM LSX, Each
Part Number: TFS-32610002-C01
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Cylinder Head, Super 23® 215, Fast As Cast®, Assembled, 67cc Chambers, 420 Lb. Springs, Small Chevy, Each
Part Number: TFS-32410006
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Cylinder Head, GenX® 205, Competition Ported, Assembled, 58cc CNC Chambers, GM LS Vortec, Each
Part Number: TFS-30510001-C00
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Cylinder Head Bolt Kit, Hex Head, Chromoly Steel, Black Oxide Finish, Chevrolet, Small Block, Each
Part Number: TFS-92000
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Cylinder Head Bolt Kit, Hex Head, Chromoly, Black Oxide, for Aluminum Heads, Chevrolet 396-454, Each
Part Number: TFS-92002
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Cylinder Head Bolt Kit, Hex Head, Chromoly, Black Oxide, Torque-to-Yield, Pre-2004 Long Style, GM LS, Each
Part Number: TFS-92010
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Valve Guides, Bronze, Chevy, Small Block, LS1, Set of 16
Part Number: TFS-30600251
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Cylinder Head Bolt Kit, Hex Head, Chromoly, Black Oxide, Torque-to-Yield, 2004+ Short Style, GM LS, Each
Part Number: TFS-92011
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Cylinder Head, DHC™ 175, Fast As Cast®, Assembled, 1.460 in. Springs, No Accessory Bolt Holes, Small Chevy, Each
Part Number: TFS-30210003
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Cylinder Head, DHC™ 200, CNC Street Ported, Assembled, 1.46 in. Springs, No Accessory Holes, Small Chevy, Each
Part Number: TFS-30210003-C00
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
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