Cylinder Heads

Valve Seat, Powdered Metal, 11.00mm Thick, 27.00mm I.D., 36.00mm O.D., Each

Part Number: KPM-10-SC360

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Cylinder Head Bolt, Dowel Bolt for Dart Heads, Steel, Black Oxide, Each

Part Number: DRT-66454330

Not Yet Reviewed

Estimated Ship Date: Sep 8, 2025 if ordered today

• Special Order

Valve Seat, Ductile Iron, Exhaust, 1.657 in. Outside Diameter, Ford, Small Block, Each

Part Number: TFS-51400272-1

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Estimated Ship Date: Tomorrow

Valve Seat, Powdered Metal, 11.40mm Thick, 35.00mm I.D., 44.62mm O.D., Each

Part Number: KPM-10-SC446

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Estimated Ship Date: Aug 11, 2025 if ordered today

• Special Order

Valve Seat, Powdered Metal, 11.00mm Thick, 32.00mm I.D., 42.00mm O.D., Each

Part Number: KPM-10-SC420

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Estimated Ship Date: Tomorrow

Valve Guide, Intake, Bronze, Ford, 351C, 351M, 400, Each

Part Number: TFS-51600251-1

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Estimated Ship Date: Tomorrow

Cylinder Head Fasteners, OE Replacement, Bolt Style, 12-point Head, Steel, Natural, Chevrolet, GMC, 6.6L Diesel, Each

Part Number: ADO-11610681

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Estimated Ship Date: Tomorrow

• $20.00 Summit Bucks

Valve Seats - K-10 Seat 30000 Series AOD 1.2559

Part Number: DUR-31105

Not Yet Reviewed

Estimated Ship Date: Aug 20, 2025 if ordered today

• Special Order

ENGINE FASTENER, BTR HEAD BOLT - LS - LARGE

Part Number: BTC-S0367

Not Yet Reviewed

Estimated Ship Date: Aug 18, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: TFS-30400252-1

Not Yet Reviewed

Estimated Ship Date: Tomorrow

BILLET HEAD BOLT KIT

Part Number: JRC-322-4000

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Special Order

Cylinder Head Bolt for 1994-2006 Jeep TJ, YJ, XJ, ZJ, WJ w/ 4.0L Engine

Part Number: CWA-6035515

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

• Drop Ship
• Special Order

Cylinder Head Bolt Sleeve, 0.500 in., 0.014 in. Wall Thickness, 12 in. Long, Each

Part Number: DRT-63300020

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 8, 2025 if ordered today

• Special Order

Valve Seats, Tungsten, Intake, Exhaust, 1.850 in. O.D., 1.417 in. I.D., 0.472 in. Thick, Each

Part Number: DUR-79065

Not Yet Reviewed

Estimated Ship Date: Aug 20, 2025 if ordered today

• Special Order

Valve Seat, Powdered Metal, 9.50mm Thick, 21.00mm I.D., 29.00mm O.D., Each

Part Number: KPM-10-SC290

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Estimated Ship Date: Tomorrow

Valve Seat, Powdered Metal, 9.50mm Thick, 23.00mm I.D., 31.00mm O.D., Each

Part Number: KPM-10-SC310

Not Yet Reviewed

Estimated Ship Date: Aug 13, 2025 if ordered today

• Special Order

Dowel Pin Kit

Part Number: PIO-839004

Not Yet Reviewed

Estimated Ship Date: Aug 21, 2025 if ordered today

• Special Order

Valve Seats - K-10 Seat 30000 Series AOD 2.072

Part Number: DUR-32440

Not Yet Reviewed

Estimated Ship Date: Aug 20, 2025 if ordered today

• Special Order

Valve Seats - K-10 Seat 30000 Series AOD 2.0866

Part Number: DUR-31195

Not Yet Reviewed

Estimated Ship Date: Aug 20, 2025 if ordered today

• Special Order

Valve Seats - K-10 Seat 30000 Series AOD 1.811

Part Number: DUR-39061

Not Yet Reviewed

Estimated Ship Date: Aug 20, 2025 if ordered today

• Special Order

This Grade 8 cylinder head stud fits 134 cubic inch L-head engines. 15 required per engine.

Part Number: OMX-1725804

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

• Special Order

Cylinder Head Bolt Sleeve, 0.656 in., 0.014 in. Wall Thickness, 2.800 in. Long, Each

Part Number: DRT-63300050

Not Yet Reviewed

Estimated Ship Date: Sep 11, 2025 if ordered today

• Special Order

Cylinder Head Dowel Pin, Chevy, Small Block, LS Engines, Each

Part Number: NAL-12570326

4.83 out of 5 stars ( 18 )

Estimated Ship Date: Tomorrow

Cylinder Head Fastener, Head Bolt without Dome, 12-point, 1/2-13 in. Thread, Steel, Black, Dodge, Jeep, Each

Part Number: CWA-6035514

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

Cylinder Head Fastener, Double-ended Head Bolt, 12-point, Steel, Black, Dodge, Jeep, Each

Part Number: CWA-6035516

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow