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

AFR SBF NHRA Intake Seat 2.131 OD X 1.600 ID X .375"

Part Number: AFR-9180

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Valve Seat, Valve Seat 1.568 X 1.312 X .219

Part Number: KGB-VS0103H1

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Estimated Ship Date: Dec 19, 2025 if ordered today

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SEAT 4140 BLK OXIDE

Part Number: RSC-PAC-S137

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Estimated Ship Date: Oct 28, 2025 if ordered today

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SEAT TOOL STEEL

Part Number: RSC-PAC-S140X

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Estimated Ship Date: Oct 28, 2025 if ordered today

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SEAT CHROME MOLY SPRING

Part Number: RSC-PAC-S141

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Estimated Ship Date: Oct 28, 2025 if ordered today

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SEAT CHROME MOLY SPRING

Part Number: RSC-PAC-S154

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Estimated Ship Date: Oct 28, 2025 if ordered today

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SEAT TOOL STEEL

Part Number: RSC-PAC-S154X

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Estimated Ship Date: Oct 28, 2025 if ordered today

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SEAT TOOL STEEL

Part Number: RSC-PAC-S154X-16

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Estimated Ship Date: Oct 28, 2025 if ordered today

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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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Estimated Ship Date: Today

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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, Bare, Valve Guides and Seats, Cam Caps, Cam Cap Bolt, Kawasaki, Each

Part Number: CLW-CH3001-K01

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Oct 13, 2025 if ordered today

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Cylinder Head, Assembled, 180cc, Hydraulic Flat Tappet, 2.020 in./1.600 in., Straight, Cast Aluminum, Natural, Chevrolet, Small Block Gen I, Each

Part Number: FLK-102-505FT

4.23 out of 5 stars ( 13 )

Estimated Ship Date: Today

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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

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Cylinder Heads, E-Street, Aluminum, Assembled, 64cc Chamber, 185cc Intake Runner, Chevy, Small Block, Pair

Part Number: EDL-5089

4.47 out of 5 stars ( 36 )

Estimated Ship Date: Today

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Cylinder Head, 200cc, Assembled, Non-Vortec Bolt Pattern, for Center or Perimeter Bolt Valve Covers, Aluminum, Natural, Chevy, Small Block, Each

Part Number: FLK-1200HRSB505S

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Cylinder Heads, IK 200, Aluminum, Assembled, 64cc Chamber, 200cc Intake Runner, Chevy, Small Block, Pair

Part Number: BRO-1021001

4.33 out of 5 stars ( 21 )

Estimated Ship Date: Today

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Cylinder Head, PowerPort® 240, CNC Street Ported, Assembled, 1.550" Dual Springs, Big Chrysler, Mopar, Each

Part Number: TFS-61617802-C00

4.85 out of 5 stars ( 13 )

Estimated Ship Date: Today

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Cylinder Head, PowerPort® 175, Street Port, Assy, 70cc Chambers, 1.55 in. Springs, Ford 390, 406, 427, 428, Each

Part Number: TFS-56417002-C00

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Cylinder Head, Performer RPM, Aluminum, Assembled, 72cc Chamber, 170cc Intake Runner, Ford, FE. Each

Part Number: EDL-60069

4.75 out of 5 stars ( 12 )

Estimated Ship Date: Today

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Cylinder Heads, Eliminator Street, Aluminum, Assembled, 65cc Chamber, 195cc Intake, Chevy, Small Block, Pair

Part Number: AFR-1034

5.0 out of 5 stars ( 13 )

Estimated Ship Date: Today

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Cylinder Head, PowerPort® 240, CNC Street Ported, Assembled, 1.460" Dual Springs, Big Chrysler, Mopar, Each

Part Number: TFS-61617801-C00

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Ford Windsor, 185 cc Int. Runner, 64cc Chamber, 2.02 Int./1.6 Exh. Hyd. Roller .600 Lift, 351W 1/2 in. head bolt, reducer sleeve needed for 289/302

Part Number: SUM-162SBF185WIN

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Cylinder Head, 180cc, Assembled, Hydraulic Roller, Straight, Aluminum, Natural, Chevy, Small Block, Each

Part Number: FLK-102-505

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Cylinder Head, Assembled, Aluminum, Natural, Jeep, 4.0, L6, Each

Part Number: EDL-50169

4.2 out of 5 stars ( 10 )

Estimated Ship Date: Today

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Cylinder Head, Performer RPM, Aluminum, Assembled, 63cc Chamber, 171cc Intake Runner, Mopar, 318, 340, 360, Each

Part Number: EDL-60779

3.86 out of 5 stars ( 7 )

Estimated Ship Date: Today

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