Cylinder Heads

Performance Coolant Port Plug for GM Gen III-V LS & LT Engines

Part Number: IRP-PLM-M28

Not Yet Reviewed

Estimated Ship Date: Oct 31, 2025 if ordered today

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Valve Guide, Intake, 2.74 in. Length, Jeep, Willys, 2.2L, L-head, Each

Part Number: CWA-119136

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Valve Guide

Part Number: CWA-119137

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Estimated Ship Date: Dec 31, 2025 if ordered today

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Valve Guide, Cast Iron, Exhaust, .310 in. Inside Diameter, + .010 in..Outside Diameter, Harley-Davidson®, Each

Part Number: KPM-20-2139C

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Valve Seats - K-10 Seat 30000 Series AOD 1.65

Part Number: DUR-31979

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Estimated Ship Date: Today

Valve Seats - K-10 Seat 30000 Series AOD 1.945

Part Number: DUR-31898

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Estimated Ship Date: Nov 3, 2025 if ordered today

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

Part Number: CWA-6035515

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Estimated Ship Date: Jan 2, 2026 if ordered today

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

Part Number: KPM-10-SC360

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Estimated Ship Date: Today

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

Part Number: DRT-66454330

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Cylinder Head Fastener, Stud Style, Steel, Black, Jeep, Willys, Each

Part Number: OMX-1725804

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Valve Seats - K-10 Seat 30000 Series AOD 1.811

Part Number: DUR-39061

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Estimated Ship Date: Nov 3, 2025 if ordered today

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

Part Number: TFS-51700272-1

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Estimated Ship Date: Today

SINGLE SBM VALVE GUIDE

Part Number: TFS-52600251-1

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Estimated Ship Date: Oct 31, 2025 if ordered today

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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: Today

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: Oct 13, 2025 if ordered today

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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: Today

Stock Replacement Engine Valve Lifter Guide

Part Number: MEL-MLG104

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Estimated Ship Date: Nov 4, 2025 if ordered today

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Valve Seat, Powdered Metal, 9.50mm Thick, 26.00mm I.D., 34.00mm O.D., Each

Part Number: KPM-10-SC340

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Estimated Ship Date: Today

Valve Guide, Powersports, Cast Iron, Intake, Each

Part Number: KPM-20-2320C

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Valve Guide, Cast Iron, Exhaust, .338 in. Inside Diameter, Stock Outside Diameter, Harley-Davidson®, Each

Part Number: KPM-20-2330C

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Estimated Ship Date: Oct 13, 2025 if ordered today

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

Part Number: TFS-51600251-1

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Estimated Ship Date: Today

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: Today

Valve Seats - K-10 Seat 30000 Series AOD 1.2559

Part Number: DUR-31105

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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ENGINE FASTENER, BTR HEAD BOLT - LS - LARGE

Part Number: BTC-S0367

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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

Part Number: TFS-30400252-1

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Estimated Ship Date: Today