Cylinder Heads

Head Combo, GenX® Top-End, 580hp, 520 ft-lbs. Torque, GM, LS3, Square Port, Kit

Part Number: TFS-K326-580-520

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Engine Steam Line Plumbing Kit, 4-Corner, Stainless Steel, Natural, Chevy, Small Block LS, Kit

Part Number: TFS-3060062P

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Valve Guides, Powdered Metal, Intake, Ford, 4.6L, 5.4L, 185 Twisted Wedge®, Set of 4

Part Number: TFS-51900251

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A/C Compressor Eliminator, Ford, Kit

Part Number: TFS-51500600

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Cylinder Head, PowerPort® 320, Aluminum, Assembled, 122cc Chamber, 320cc Intake, Chevy, Big Block, Each

Part Number: TFS-4141T803-M22

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EFI Intake Manifold Heat Spacer Kit, Phenolic, 3/8 in., Factory-Style Intakes, Ford 5.0L Truck, Each

Part Number: TFS-51520003

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Fitting, Hose End, Straight, -8 AN Hose to Female -8 AN, Aluminum, Black Anodized, Each

Part Number: TFS-22008

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Cylinder Head, Ultra 18® 250, Aluminum, Bare, 56cc CNC Chamber, Chevy, Small Block, Each

Part Number: TFS-3181B001-C01

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Studs, Replacement, 1/4-20 in. Top & Bottom Threads, 2.25 in. Length, Valve Cover Adapter, Set of 8

Part Number: TFS-31500811-SS

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Valve Springs, PAC Racing, Beehive, 1.295 in./1.460 in. O.D., 455 lb./in. Rate, 1.050 in. Coil Bind, Set of 16

Part Number: TFS-16841-16

Estimated Ship Date: Today

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Valve Seats, Ductile Iron, Intake, 2.300 in. Outside Diameter, Ford, Big Block, Set of 8

Part Number: TFS-53400271

Estimated Ship Date: Today

Cylinder Head Bolt Kit, Hex Head, Chromoly, Black Oxide, Torque-to-Yield, 2004+ Short Style, GM LS, Each

Part Number: TFS-92011

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Guideplates, Flat, 3/8 in. Pushrod Size, Ford, 302, 351W, High Port®, Set of 8

Part Number: TFS-51700624

Estimated Ship Date: Today

Camshaft, Hydraulic Roller, Advertised Duration 278/286, Lift .625/.625, Lobe Sep. 113, GM LS, Each

Part Number: TFS-32603001

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Rocker Arms, 1.72 Ratio, 3/8 in. Stud, Full Roller Design, Aluminum, Small Ford and 351W, Set of 16

Part Number: TFS-51400511

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Cylinder Head, Super 23® 195, Fast As Cast®, Assembled, 64cc CNC Chambers, 1.250" Springs, Small Chevy, Each

Part Number: TFS-30410001-M64

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Valve Locks, Stamped, Hardened Steel, 7 Degree, 1-Groove, 8mm Valve Stem, Set of 16

Part Number: TFS-30600444

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Valve Guide, Exhaust, Bronze, Ford, 351C, 351M, 400, Set of 8

Part Number: TFS-51600252

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Cylinder Head, Super 23® 175, Aluminum, Fast As Cast®, 56cc CNC Chambers, 1.47" Single Spring, Perimeter Bolt, Emissions, Assembled, Small Chevy, Each

Part Number: TFS-30310002

Estimated Ship Date: Today

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Valve Seats, Ductile Iron, Exhaust, 1.680 in. Outside Diameter, Chevy, Small Block, LS1, Set of 8

Part Number: TFS-30600274

Estimated Ship Date: Today

Throttle Return Springs, Natural Finish, Pair

Part Number: TFS-20000-RSP

Estimated Ship Date: Today

Cylinder Head, Super 23® 175, Aluminum, Fast As Cast®, 56cc CNC Chambers, 1.250" Single Springs, Center Bolt, Emissions, Assembled, Small Chevy, Each

Part Number: TFS-30310005

Estimated Ship Date: Today

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Valve Springs, PAC Racing, Dual, 1.550 in. Outside Diameter, 460 lbs./in. Rate, 1.100 in. Coil Bind, Set of 16

Part Number: TFS-16324-16

Estimated Ship Date: Today

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Valves, Exhaust, Stainless Steel, 1.575 in. Diameter, 8.0mm Stem, 124.8mm Length, GenX®, GM LS, Set of 8

Part Number: TFS-30600212

Estimated Ship Date: Today

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Underdrive Harmonic Damper, 25% Underdrive, SFI 18.1, Chevrolet/Pontiac 5.7L LS1/6.0L LS2, Medium Spacing, Each

Part Number: TFS-18004

Estimated Ship Date: Today

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