Cylinder Heads, Valve Seats, Head Bolts, Top End Kits & More

Valve Seat, Ductile Iron, Intake, 2.087 in. Outside Diameter, Ford, Small Block, Set of 8

Part Number: TFS-51400271-8

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Cylinder Heads, Maxx Series, Assembled, Aluminum, 183cc Intake Runner, D-port, Chevy, 302, 327, 350, 400, Pair

Part Number: PMX-9183

4.5 out of 5 stars ( 8 )

Estimated Ship Date: Jan 5, 2026 if ordered today

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Cylinder Head, S/R, Cast Iron, Bare, 58cc Chamber, 170cc Intake Runner, Chevy, 305, Each

Part Number: WRL-042650

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Cylinder Head, S/R, Cast Iron, Bare, 67cc Chamber, 171cc Intake Runner, Chevy, Small Block, Each

Part Number: WRL-043610

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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Cylinder Head, Performer RPM Pontiac CNC, Aluminum, Bare, 87cc Chamber, 215cc Intake Runner, Pontiac, 455, Each

Part Number: EDL-60609

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Valve Seat Inserts, Intake, Ductile Iron, 1.720 in. I.D., 2.132 in. O.D., Chevrolet, Ford, Each

Part Number: AFR-9059

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Cylinder Heads, Project X, Aluminum, Assembled, 56cc Chamber, 210cc Intake Runner, Ford, Small Block, Pair

Part Number: PMX-9208

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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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Cylinder Heads, Aluminum, Assembled, 72cc Chamber, 200cc Intake Runner, Ford, FE, Pair

Part Number: PMX-9231

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Cylinder Heads, Aluminum, Assembled, 72cc Chamber, 200cc Intake Runner, Ford, FE, Pair

Part Number: PMX-9234

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Cylinder Heads, Aluminum, Assembled, 65cc Chamber, 171cc Intake Runner, Chrysler, Dodge, Plymouth, Small Block, Pair

Part Number: PMX-93625

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 5, 2026 if ordered today

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Cylinder Heads, Aluminum, Assembled, 84cc Chamber, 240cc Intake Runner, Chrysler, Dodge, Plymouth, Big Block, Pair

Part Number: PMX-9241

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 5, 2026 if ordered today

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Valve Seat Insert, Intake, Ductile Iron, 2.000 in. i.d., 1.570 in. o.d., 0.375 in. Thick, Chevy, Small Block

Part Number: AFR-9064

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Valve Seats, Ductile Iron, Intake, 2.450 in. Outside Diameter, Chevy, Big Block, Set of 8

Part Number: TFS-41400271-8

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

Part Number: TFS-51900253

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Cylinder Heads, Aluminum, Bare, 119cc Chamber, 317cc Intake Runner, Chevy, Big Block, Pair

Part Number: PMX-9317

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Estimated Ship Date: Dec 2, 2025 if ordered today

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Cylinder Head, BBC 360cc Bare 360cc Intake Port Volume / 133cc Combustion Chamber 600 Super Flow Bench @.600 Lift Intake 317 CFM and Exhaust 233 CFM

Part Number: FLK-408-500

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Valve Seat, Ductile Iron, Intake, Ford, 4.6, 5.4L, Set of 4

Part Number: TFS-51900271

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Estimated Ship Date: Today

Valve Seats, Ductile Iron, Intake, 2.450 in. Outside Diameter, Chevy, Big Block, Each

Part Number: TFS-41400271

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: TFS-51600271-1

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Valve Guide, Intake/Exhaust, Bronze, Ford, Small Block, High Port® Heads, Each

Part Number: TFS-51700252-1

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Valve Seat, Ductile Iron, Intake, 2.160 in. Outside Diameter, Ford, Small Block, Each

Part Number: TFS-52400271

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Valve Guide, Intake, Bronze, Chevy, Big Block, Each

Part Number: AFR-9045-1

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Cylinder Heads, Maxx Series Small Block Ford Heads, Bare, Aluminum, 60cc Chamber, 175cc Intake, Ford, Small Block, Pair

Part Number: PMX-9176

1.0 out of 5 stars ( 1 )

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

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today