Cylinder Heads

TFX™ Cold Air Intake Kit, Black Tube, Chevrolet/GMC 5.7L Trucks/SUVs, Each

Part Number: TFS-23054

Estimated Ship Date: Today

• Free Shipping

Pushrod, 3/8 in. Diameter, 9.150 in. Long, 4130 Chromoly, 0.080 in. Wall, For Guideplates, Each

Part Number: TFS-21419150-1

Estimated Ship Date: Today

Head Gasket, Multi-Layer Steel, MLS, 3.910 in. Bore, .051 in. Compressed Thickness, GM 5.7L S1, LS6, Each

Part Number: TFS-30694030-051

Estimated Ship Date: Today

Load Studs, Replacement, Steel, with Jam Nuts, GM, 7.5/7.625 in., Pair

Part Number: TFS-8510104

Estimated Ship Date: Today

Valve Spring Retainer, Titanium, 7 Degree, 1.300 in. Outside Diameter, .675 in. Inside Diameter, Each

Part Number: TFS-214T0415-1

Estimated Ship Date: Today

Valve Seat, Ductile Iron, Exhaust, 1.657 in. Outside Diameter, Chevy, Small Block, 23 Degree Heads, Each

Part Number: TFS-30300272

Estimated Ship Date: Today

Valve Guide, Bronze, Chevy, Small Block, LS1, Each

Part Number: TFS-30600251-1

Estimated Ship Date: Today

Valve Seat, Ductile Iron, Exhaust, 1.625 in. Outside Diameter, Chevy, Small Block, LS1, Each

Part Number: TFS-30600272-1

Estimated Ship Date: Today

Pushrod, 5/16 in. Diameter, 7.300 in. Long, 4130 Chromoly, 0.080 in. Wall, For Guideplates, Each

Part Number: TFS-21407300-1

Estimated Ship Date: Apr 29, 2026 if ordered today

• Special Order

Valve Seat, Ductile Iron, Intake, 2.200 in. Outside Diameter, Ford, Cleveland, Each

Part Number: TFS-51600271-1

Estimated Ship Date: Today

Valve Spring Locator, Inside, Steel, .050 in. Thick, 1.300 in. Spring O.D., Each

Part Number: TFS-21400443-1

Estimated Ship Date: Today

Guideplates, Flat, 5/16 in. Pushrod Size, Ford, 302, 351W, High Port®, Set of 4

Part Number: TFS-51700623-4

Estimated Ship Date: Today

Height Gauge, Valve Spring, 1.80 in. Height, Each

Part Number: TFS-70000900

Estimated Ship Date: Today

Pushrod, 5/16 in. Diameter, 6.800 in. Long, 4130 Chromoly, 0.080 in. Wall, For Guideplates, Each

Part Number: TFS-21406800-1

Estimated Ship Date: Today

Pushrod, 5/16 in. Diameter, 7.525 in. Long, 4130 Chromoly, 0.080 in. Wall, For Guideplates, Each

Part Number: TFS-21407525-1

Estimated Ship Date: May 11, 2026 if ordered today

Valve Cover Spacers, Aluminum, Natural, Height is 0.500 in., Gaskets, Longer Bolts, Chevy, LS1, Pair

Part Number: TFS-3060800

Estimated Ship Date: Today

• Free Shipping

Pushrod, 3/8 in. Diameter, 8.350 in. Long, 4130 Chromoly, 0.080 in. Wall, For Guideplates, Each

Part Number: TFS-21418350-1

Estimated Ship Date: Today

Valve Spring Locator, Inside, Steel, .050 in. Thick, 1.300 in. O.D., Each

Part Number: TFS-21400442-1

Estimated Ship Date: Today

EFI Intake Manifold Heat Spacer Kit, Phenolic, 3/8 in., Factory-Style Intakes, 1986-93 Ford 5.0L H.O., Each

Part Number: TFS-51520001

Estimated Ship Date: Today

Bung, Aluminum, Weld-In, -10 AN Male Thread, 1.085 in. Outside Diameter, Each

Part Number: TFS-51400815

Estimated Ship Date: Today

Valve Seat, Ductile Iron, Exhaust, 1.800 in. Outside Diameter, Ford, Big Block, Each

Part Number: TFS-53400272-1

Estimated Ship Date: Today

Valve Guide, Replacement, Intake, Bronze, 5/16 in., Ford, Each

Part Number: TFS-54500252-1

Estimated Ship Date: Today

Valve Spring Retainer, Titanium, 10 Degree, 1.500 in. Outside Diameter, .635 in. Inside Diameter, Each

Part Number: TFS-214T0630-1

Estimated Ship Date: Today

Pushrod, 3/8 in. Diameter, 8.850 in. Long, 4130 Chromoly, 0.080 in. Wall, For Guideplates, Each

Part Number: TFS-21418850-1

Estimated Ship Date: Today

Automatic Transmission Pan Bolts, Replacement, Hex Head, Steel, Chrome, Ford, C-4, Set

Part Number: TFS-1006-HK

Estimated Ship Date: Today