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

SEAT CHROME MOLY SPRING

Part Number: RSC-PAC-S141-16

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

• Drop Ship
• Special Order

SEAT CHROME MOLY SPRING

Part Number: RSC-PAC-S154-16

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

• Drop Ship
• Special Order

SEAT CHROME MOLY SPRING

Part Number: RSC-PAC-S141

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

• Drop Ship
• Special Order

SEAT CHROME MOLY SPRING

Part Number: RSC-PAC-S154

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

• Drop Ship
• Special Order

SEAT 4140 BLK OXIDE

Part Number: RSC-PAC-S137-16

Not Yet Reviewed

Estimated Ship Date: Dec 3, 2025 if ordered today

• Drop Ship
• Special Order

SEAT 4140 BLK OXIDE

Part Number: RSC-PAC-S137

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

• Drop Ship
• Special Order

SEAT TOOL STEEL

Part Number: RSC-PAC-S140X

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

• Drop Ship
• Special Order

SEAT TOOL STEEL

Part Number: RSC-PAC-S154X

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

• Drop Ship
• Special Order

SEAT TOOL STEEL

Part Number: RSC-PAC-S154X-16

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

• Free Shipping

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

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

• Free Shipping

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

• Free Shipping

Cylinder Head, PowerPort® 175, Street Port, Assy, 70cc Chambers, 1.46 in. Springs, Ford, Big Block FE, Each

Part Number: TFS-56417001-C00

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

Cylinder Head, GenX® 255, CNC Comp Port, Assembled, 69cc CNC Chamber, 450 Lb. Springs, Ti Retain, GM LSX, Each

Part Number: TFS-3261T002-C01

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

• Free Shipping

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: Today

• Free Shipping

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

• Free Shipping

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: Today

• Free Shipping

Cylinder Head, DHC™ 175, Fast As Cast®, Assembled, 1.460 in. Springs, Accessory Bolt Holes, Small Chevy, Each

Part Number: TFS-30210007

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

Cylinder Head, PowerPort® 240, CNC Street Port, Assy, 1.56" Dual Springs, Ti Retain, Big Chrysler, Mopar, Each

Part Number: TFS-6161T784-C00

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Today

• Free Shipping

Cylinder Head, PowerPort® 240, CNC Street Port, Assy, 1.55" Dual Springs, Ti Retain, Big Chrysler, Mopar, Each

Part Number: TFS-6161T783-C00

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

• Free Shipping

Cylinder Head, PowerPort® Cleveland 225, Raised Exhaust Port, Assembled, 60cc Chamber, 1.550 in. Springs, Titanium Retainer, Ford 351C, Each

Part Number: TFS-5161T004-C01

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

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: Today

• Free Shipping

Cylinder Head, GenX® 255, CNC Comp Port, Assy, 69cc CNC Chamber, 450 lbs. Springs, Ti Retain, 6-Bolt, GM LSX, Each

Part Number: TFS-3261T004-C01

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

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

Part Number: TFS-30210007-C00

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping