Availability
Valve Spring Kit, Dual Valve Springs, Chromoly Retainers, Locks, Seals, Chevy, LS, Kit
Part Number: TFS-2500286P
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, 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, 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, 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, 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, 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® 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, 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, 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® 260, CNC Competition Ported, Assembled, 70cc CNC Chambers, 450 Lb. Springs, GM LSX, Each
Part Number: TFS-32710002-C01
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
Lifters, Hydraulic, Retro-Fit Roller-Style, with Verticle Link Bars, Chevy 262-400 and 348/409, Set of 16
Part Number: TFS-21400003
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Engine Steam Line Fitting, Male Connector Type, -4 AN Size, Aluminum, Black, Chevy, Small Block LS, Each
Part Number: TFS-30600611
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® 260, CNC Comp Port, Assembled, 70cc CNC Chamber, 450 Lb. Springs, Ti Retain, GM LSX, Each
Part Number: TFS-3271T002-C01
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
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
Lifter, Hydraulic Roller, Chevy, Each
Part Number: TFS-21400002
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Nano-Peened Dual Valve springs, Titanium retainers, 160 lbs. seat pressure. 425 lbs. open at .670 lift. LS1, LS6, LS2, LS3, LQ4, LQ9, L92, Kit
Part Number: TFS-2500287P
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® 320, Aluminum, Assembled, 122cc Chamber, 320cc Intake, Chevy, Big Block, Each
Part Number: TFS-41410001-M22
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Variable Valve Timing Delete Combo, 3-bolt, Cam Sprocket, Timing Cover, Chevy, LS, Kit
Part Number: TFS-30678505
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Camshaft, Hydraulic Roller, Advertised Duration 283/286, Lift .585/.585, Lobe Sep. 112, GM LS, Each
Part Number: TFS-30602003
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Camshaft, Hydraulic Roller, Advertised Duration 292/296, Lift .528/.539, Lobe Sep. 110, Small Chevy, Each
Part Number: TFS-31402001
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, 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
Engine Steam Line Plumbing Kit, Four Corner, Aluminum, Black Anodized, Chevy, Small Block LS, Kit
Part Number: TFS-306SB601
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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