GM Chevrolet 350 5.7L Vortec V8 Cast Iron Cylinder Head Assembly | 10239906

Used GM Chevrolet 350 CID / 5.7L Vortec V8 cast iron cylinder head assembly, casting number 10239906.

This factory-style GM Vortec cylinder head is suitable for select Chevrolet small-block V8 engines, including compatible MerCruiser, Volvo Penta, and other GM-based marine applications.

The cylinder head includes eight installed valves, valve springs, retainers, and rocker arm studs as pictured. Ideal for engine repair, replacement, or rebuilding after proper machine shop inspection.

Highlights

• GM Chevrolet 350 CID / 5.7L V8

• Vortec Small-Block Cylinder Head

• Casting Number 10239906

• Heavy-Duty Cast Iron Construction

• Four Combustion Chambers

• Eight Installed Valves

• Valve Springs and Retainers Included

• Rocker Arm Studs Included

• Factory-Style Intake and Exhaust Ports

• Suitable for Marine Engine Applications

• MerCruiser / Volvo Penta Compatible Applications

• Ideal for Engine Rebuilding

• Used – Untested

• Sold Exactly as Pictured

Condition

Used condition with significant visible surface rust, oxidation, and discoloration throughout the cylinder head, including the valve spring area, intake and exhaust ports, and combustion chamber surfaces.

The cylinder head has been removed from an engine and has not been cleaned or reconditioned.

Mechanical condition is unknown. The cylinder head has not been pressure tested, magnaflux inspected, or checked for cracks, valve sealing, or deck flatness.

Professional cleaning, inspection, and potential machining or rebuilding are recommended before installation.

Please review all photographs carefully for exact condition and included components.

Specifications

Make: General Motors / Chevrolet

Engine Family: Small-Block V8

Engine Displacement: 5.7L / 350 CID

Cylinder Head Type: Vortec

Casting Number: 10239906

Material: Cast Iron

Combustion Chambers: 4

Valves: 8

Intake Valve Size: 1.94 Inches (Factory Specification)

Exhaust Valve Size: 1.50 Inches (Factory Specification)

Combustion Chamber Volume: Approximately 64cc

Valve Springs: Included

Valve Retainers: Included

Rocker Arm Studs: Included

Rocker Arms: Not Included

Condition: Used – Untested / Rebuildable Core

Fitment

Compatible with select GM Chevrolet 5.7L / 350 CID Vortec small-block V8 engines.

Potential marine applications include:

• MerCruiser 5.7L V8

• Volvo Penta 5.7L V8

• OMC GM-Based 5.7L V8

• Other Compatible GM Vortec 350 Engines

Buyer must verify casting number, cylinder head configuration, and engine compatibility before purchasing.

Not compatible with GM 454 / 7.4L big-block engines.

Shipping

Shipping is available. Buyer must verify whether delivery will be to a residential or business address and whether a forklift is available for unloading if freight delivery is required.

Dealer Sale – Sunset Marine TX LLC

SKU: 11099