GM 350 Iron Cylinder Head Assembly Marine OEM 12558059 Chevy SBC 5 7L V8

Restore peak performance with the GM350 iron cylinder head assembly for your Chevy 5.7L V8, engineered to replace worn or damaged heads and revive your engine's efficiency.

• Fit and compatibility: Designed to replace/repair your GM350 SBC 5.7L V8 in LT Truck Chevrolet applications; OE numbers 12528913 and 12558059 help ensure a precise fit.
• Durable construction and specifications: Cast iron construction with a 64cc combustion chamber, 74cc exhaust runner, and 200cc intake runner for reliable airflow and sealing; standard size (GM350).
• Replacement/repair readiness: New part intended for replacement or repair to bring your engine back to proper performance.
• Warranty: 12-month warranty to support your investment and reliability expectations.