Cylinder Heads

Bolt, LS Engine Coolant Plug Fastener, 6mm x 1.0 Thread, Hex, Steel, Chevrolet, Pontiac, Each

Part Number: NAL-11588714

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Engine Block Coolant Plug, Bolt Style, Hex Head, 1/4 in. NPT Thread, Steel, Natural, Jeep, Each

Part Number: CWA-G444618

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Valve Guide, Intake/Exhaust, Bronze, Ford, Small Block, High Port® Heads, Each

Part Number: TFS-51700252-1

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Cylinder Head Fastener, Bolt, Hex, 3/8-16 in. Thread, Steel, Natural, Jeep, Each

Part Number: CWA-J0733955

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Estimated Ship Date: Nov 10, 2025 if ordered today

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

Part Number: IRP-PLM-M28

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Estimated Ship Date: Sep 11, 2025 if ordered today

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Cylinder Head Fasteners, Cylinder Headbolts, M9 x 1.25 Thread, Steel, Natural, Each

Part Number: ADO-55566811

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• $20.00 Summit Bucks

Valve Seat, Ductile Iron, Exhaust, 2.000 in. Outside Diameter, Ford, Big Block, Each

Part Number: TFS-54400272-1

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Estimated Ship Date: Today

SEAT 4140 BLK OXIDE

Part Number: RSC-PAC-S137

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Estimated Ship Date: Sep 24, 2025 if ordered today

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Cylinder Head Dowel Pins

Part Number: NAL-94200819

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Estimated Ship Date: Nov 26, 2025 if ordered today

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Valve Seats - K-10 Seat 70000 Series AOD 1.2407

Part Number: DUR-71434

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Estimated Ship Date: Today

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: Nov 10, 2025 if ordered today

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

Part Number: OMX-1725805

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Estimated Ship Date: Oct 1, 2025 if ordered today

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LIFTER GUIDE

Part Number: MEL-MLG105

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Estimated Ship Date: Sep 15, 2025 if ordered today

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Valve Guide

Part Number: CWA-119137

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Estimated Ship Date: Nov 10, 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 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

LIFTER GUIDE

Part Number: MEL-MLG104

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Estimated Ship Date: Sep 15, 2025 if ordered today

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

Part Number: KPM-10-SC310

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

Part Number: TFS-51400272-1

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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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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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• $20.00 Summit Bucks

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

Part Number: TFS-51600251-1

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Estimated Ship Date: Today

ENGINE FASTENER, BTR HEAD BOLT - LS - LARGE

Part Number: BTC-S0367

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Estimated Ship Date: Sep 3, 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