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

SEAT CHROME MOLY SPRING

Part Number: RSC-PAC-S141-16

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Estimated Ship Date: Jun 5, 2026 if ordered today

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SEAT TOOL STEEL

Part Number: RSC-PAC-S154X-16

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 3, 2026 if ordered today

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SEAT 4140 BLK OXIDE

Part Number: RSC-PAC-S137

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Estimated Ship Date: Jun 2, 2026 if ordered today

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SEAT TOOL STEEL

Part Number: RSC-PAC-S140X

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Estimated Ship Date: Jun 2, 2026 if ordered today

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SEAT CHROME MOLY SPRING

Part Number: RSC-PAC-S154

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Estimated Ship Date: Jun 5, 2026 if ordered today

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SEAT CHROME MOLY SPRING

Part Number: RSC-PAC-S141

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Estimated Ship Date: Jun 2, 2026 if ordered today

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SEAT TOOL STEEL

Part Number: RSC-PAC-S154X

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Estimated Ship Date: Jun 2, 2026 if ordered today

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Cylinder Head, 335cc Enforcer, Assembled, 2.250 in. Intake Valve, 10 Degree Locks, 1.550 in. Dual Valve Springs, Aluminum, Chevy, Big Block, Each

Part Number: AFR-3001

4.0 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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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

4.86 out of 5 stars ( 14 )

Estimated Ship Date: Tomorrow

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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: Tomorrow

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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: Tomorrow

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Cylinder Head, PowerPort® 190, CNC Street Ported, Assembled, 1.46" Springs, Chromoly Retain, Small Mopar, Each

Part Number: TFS-61417801-C00

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Cylinder Head, PowerPort® 190, CNC Street Ported, Assembled, 1.55 in. Springs, Chromoly Retainers, Dodge, Small Block, Each

Part Number: TFS-61417802-C00

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Cylinder Head, DHC™ 175, Fast As Cast®, Assembled, 1.470 in. Springs, Accessory Bolt Holes, Small Chevy, Each

Part Number: TFS-30210006

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Cylinder Head, PowerPort® 270, Max Wedge, CNC Comp Port, 1.56" Springs, Ti Retain, Big Chrysler, Mopar, Each

Part Number: TFS-6161T784-C01

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Cylinder Head, PowerPort® 270, Max Wedge, CNC Comp Ported, Assembled, 1.55" Springs, Big Chrysler, Mopar, Each

Part Number: TFS-61617802-C01

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Cylinder Head, PowerPort® Cleveland 195, CNC Street Ported, Assy, 62cc Chamber, 1.55" Spring, Ford, Cleveland, Modified, Each

Part Number: TFS-51616204-C00

4.6 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

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Cylinder Head, PowerPort® Cleveland 195, CNC Street Ported, Assy, 72cc Chamber, 1.55" Spring, Ford 351C, Each

Part Number: TFS-51617204-C00

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Cylinder Head, DHC™ 200, CNC Street Ported, Assembled, 1.46 in. Springs, With Accessory Holes, Chevy, Each

Part Number: TFS-30210007-C00

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Estimated Ship Date: Tomorrow

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Cylinder Head, PowerPort® 190, CNC Street Ported, Assembled, 1.56" Springs, Titanium Retain, Small Mopar, Each

Part Number: TFS-6141T784-C00

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Cylinder Head, PowerPort® 270, Max Wedge, CNC Comp Port, 1.55" Springs, Ti Retain, Big Chrysler, Mopar, Each

Part Number: TFS-6161T783-C01

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Cylinder Head, PowerPort® Cleveland 195, CNC Street Ported, Assy, 62cc Chamber, 1.46" Spring, Ford 351C, Each

Part Number: TFS-51616203-C00

4.64 out of 5 stars ( 11 )

Estimated Ship Date: Tomorrow

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Cylinder Head, DHC™ 175, Fast As Cast®, Assembled, 1.460 in. Springs, No Accessory Bolt Holes, Small Chevy, Each

Part Number: TFS-30210003

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Cylinder Head, DHC™ 175, Fast As Cast®, Assembled, 1.470 in. Springs, No Accessory Bolt Holes, Small Chevy, Each

Part Number: TFS-30210002

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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