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

Big Block Chevy Cylinder head, Aluminum, 335cc Rectangle Intake Runner, 122cc Chamber, 2.250 Intake Valve 1.880 Exhaust Valve, Max .725 Lift Ea.

Part Number: SUM-162BBCREC335

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Cylinder Head, Twisted Wedge® 11R 170, CNC Street Ported, Assembled, 53cc CNC Chambers, Small Ford, Each

Part Number: TFS-52515301-C00

5.0 out of 5 stars ( 7 )

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Chevy LS Cylinder head, 210cc Cathedral port Intake Runner, 64cc Chamber, 2.02 Intake Valve 1.6 Exhaust Valve, 3.898+ bore sizes, Max .660 Lift, Each

Part Number: SUM-162LS210CATH

3.0 out of 5 stars ( 4 )

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Cylinder Head, DHC™ 200, CNC Street Ported, Assembled, 1.46 in. Springs, No Accessory Holes, Small Chevy, Each

Part Number: TFS-30210003-C00

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Chevy LS Cylinder head, 255cc Rectangle port Intake Runner, 67cc Chamber, 2.16 Intake Valve 1.6 Exhaust Valve, 4.000 + bore sizes, Max .600 Lift, Each

Part Number: SUM-162LS3255REC

3.0 out of 5 stars ( 1 )

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LS Cylinder Head, 5.3L Specific, 60cc Chamber, 2.000 Int. Valve, Permanent Mold A-356, Manganese Guides, Ductile Seats, PAC Springs, 21 4N Stainless

Part Number: SUM-LS210CATH60

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Cylinder Head, 195cc Precision Cast, Aluminum, Assembled, 65cc Chamber, 2.020 in./1.600 exh. Valve, Chevy, For Small Block with Flat Tappet Cam, Each

Part Number: SUM-162SBCSTRFT

3.0 out of 5 stars ( 2 )

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LS Cylinder Head, 5.3L Specific, 64cc Chamber, 2.000 Int. Valve, Permanent Mold A-356, Manganese Guides, Ductile Seats, PAC Springs, 21 4N Stainless

Part Number: SUM-LS210CATH64

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Cylinder Heads, LSX Mongoose, Aluminum, Assembled, 65cc Combustion Chamber, 230cc Intake, Chevy, Pair

Part Number: AFR-1660

5.0 out of 5 stars ( 1 )

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Cylinder Head, Twisted Wedge® 11R 227, CNC Competition Ported, Assembled, 56cc CNC Chambers, Titanium Retainers, Small Ford, Each

Part Number: TFS-5261T561-C04

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Chevy SB, 195 cc Intake Runner, 65cc Angle-Plug Chamber, 2.02 Intake Valve, 1.6 Exhaust Valve, Hydraulic Roller Cam Max .600 Lift, Ea.

Part Number: SUM-162SBCANGHR

5.0 out of 5 stars ( 1 )

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Chevy SB, 195 cc Intake Runner, 65cc Straight-Plug Chamber, 2.02 Intake Valve, 1.6 Exhaust Valve, Hydraulic Roller Cam Max .600 Lift, Ea.

Part Number: SUM-162SBCSTRHR

4.8 out of 5 stars ( 5 )

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Cylinder Head, DHC™ 200, CNC Street Ported, Assembled, 1.47 in. Springs, With Accessory Holes, Chevy, Each

Part Number: TFS-30210006-C00

5.0 out of 5 stars ( 1 )

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Chevy SB, 195 cc Intake Runner, 65cc Angle-Plug Chamber, 2.02 Intake Valve, 1.6 Exhaust Valve, Flat Tappet Cam Max .550 Lift, Ea.

Part Number: SUM-162SBCANGFT

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Cylinder Head, Super 23® 215, CNC Competition Ported, Assembled, 67cc CNC-Profiled Combustion Chambers, 1.545" Springs, Small Chevy, 350, 400, Each

Part Number: TFS-32410006-C01

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Cylinder Head Studs, Heavy Duty, Chromoly, 12-Point Nuts, 12mm, Dodge, 5.9L, 6.7L, Cummins Diesel, Kit

Part Number: GFN-HSK5967C

5.0 out of 5 stars ( 1 )

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Cylinder Head Studs, Heavy Duty, Chromoly, 12-Point Nuts, 8mm, 14mm, Ford, 6.0L, Powerstroke Diesel, Kit

Part Number: GFN-HSK60

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Cylinder Head, Twisted Wedge® 11R 190, CNC Street Ported, Assembled, 56cc CNC Chambers, Small Ford, Each

Part Number: TFS-52515601-C01

4.75 out of 5 stars ( 16 )

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

Part Number: BRO-SH545-11-32P

5.0 out of 5 stars ( 1 )

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Cylinder Head Studs, Heavy Duty, Chromoly, 12-Point Nuts, 8mm, 12mm, Ford, 6.7L, Powerstroke Diesel, Kit

Part Number: GFN-HSK67F

5.0 out of 5 stars ( 1 )

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

Part Number: BRO-BH5451132PLI

5.0 out of 5 stars ( 1 )

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Cylinder Head Studs, Heavy Duty, Chromoly, 12-Point Nuts, 12mm, Ford, 7.3L, Powerstroke Diesel, Kit

Part Number: GFN-HSK73

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Estimated Ship Date: Jan 28, 2026 if ordered today

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Valve Guides, Bronze, Chevy, Small Block, LS1, Set of 16

Part Number: TFS-30600251

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Cylinder Head Studs, Heavy Duty, Chromoly, 12-Point Nuts, 8mm, 12mm, Dodge, 5.9L, Cummins Diesel, 12-Valve, Kit

Part Number: GFN-HSK5912

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Estimated Ship Date: Jan 29, 2026 if ordered today

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