Cylinder Heads

Valve Guide, Cast Iron, Exhaust, .338 in. Inside Diameter, + .010 in. Outside Diameter, Harley-Davidson®, Each

Part Number: KPM-20-2339C

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Special Order

Valve Seat, Valve Seat 1.256 X .938 X .188

Part Number: KGB-VS0101H1

Not Yet Reviewed

Estimated Ship Date: Oct 31, 2025 if ordered today

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Valve Seat, Powdered Metal, 9.00mm Thick, 19.00mm I.D., 27.00mm O.D., Each

Part Number: KPM-10-SC270

Not Yet Reviewed

Estimated Ship Date: Sep 2, 2025 if ordered today

• Special Order

SPRING, OIL RELIEF PLUNGER, 1992-2016

Part Number: MOP-MD174687

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

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RETAINERN, 1OZE, 1962-1988

Part Number: MOP-J3163498

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

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SEAT, INTAKE VALVE, 2003-2006

Part Number: MOP-05135830AA

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Special Order

Valve Seats - K-10 Seat 30000 Series AOD 1.3583

Part Number: DUR-39024

Not Yet Reviewed

Estimated Ship Date: Sep 11, 2025 if ordered today

• Special Order

Valve Seats - K-10 Seat 30000 Series AOD 1.4173

Part Number: DUR-39029

Not Yet Reviewed

Estimated Ship Date: Sep 11, 2025 if ordered today

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RING, RETAINING, 2011-2023

Part Number: MOP-68109379AA

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

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ARM, ROCKER ARM, 1992-2003

Part Number: MOP-53008283

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

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HEAD STUD KIT, PONTIAC ALUM. PRO-STOCK HEAD, CASTING #10045427, ALUM. OR CAST IRON BLOCK, 2 HEADS COMPL.

Part Number: STF-32250

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

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SPRING, LOCK, 1995-2016

Part Number: MOP-MD307210

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

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5/16" VITON METAL BODY SEAL W/.530 GUIDE

Part Number: CCA-520-1

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Cylinder Head Fasteners, OE Replacement, Bolt Style, Hex Head, M12 x 1.75 Thread, Steel, Natural, Buick, Cadillac, Chevrolet, GMC, Each

Part Number: ADO-11547020

Not Yet Reviewed

Estimated Ship Date: Sep 24, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

Engine Cylinder Head Bolt, Engine Cylinder Head Bolt, BOLT/SCREW

Part Number: ADO-11610687

Not Yet Reviewed

Estimated Ship Date: Sep 24, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

Engine Cylinder Head Bolt, Engine Cylinder Head Bolt, BOLT/SCREW-CYL HD

Part Number: ADO-55595130

Not Yet Reviewed

Estimated Ship Date: Sep 24, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

HEX HEAD CAP, 1989-2015

Part Number: MOP-4429633

Not Yet Reviewed

Estimated Ship Date: Sep 17, 2025 if ordered today

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BRONZE LINER

Part Number: DRT-63210112

Not Yet Reviewed

Estimated Ship Date: Oct 10, 2025 if ordered today

• Special Order

BRONZE LINER

Part Number: DRT-63210122

Not Yet Reviewed

Estimated Ship Date: Oct 10, 2025 if ordered today

• Special Order

BRONZE LINER

Part Number: DRT-63210132

Not Yet Reviewed

Estimated Ship Date: Oct 10, 2025 if ordered today

• Special Order

BRONZE LINER

Part Number: DRT-63210212

Not Yet Reviewed

Estimated Ship Date: Oct 10, 2025 if ordered today

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Valve Seats - K-10 Seat 30000 Series AOD 1.1933

Part Number: DUR-31099

Not Yet Reviewed

Estimated Ship Date: Sep 9, 2025 if ordered today

• Special Order

SHOE ONLY

Part Number: DRT-66511000

Not Yet Reviewed

Estimated Ship Date: Oct 10, 2025 if ordered today

• Special Order

Cylinder Head Stud, Undercut, 8740 Chromoly, Black Oxide, 1/2 in. Thread Size, Chevy, Big Block, Each

Part Number: DRT-66526000

Not Yet Reviewed

Estimated Ship Date: Oct 10, 2025 if ordered today

• Special Order

Head Stud

Part Number: DRT-66623400

Not Yet Reviewed

Estimated Ship Date: Oct 10, 2025 if ordered today

• Special Order