Chevy 4.3L V6 Cylinder Head, Bare Cast Iron - OEM #12557113 - Vortec Design for 1992-2014 Chevy, GMC, and GM Engines

Upgrade or restore your Chevy, GMC, or GM vehicle's 4.3L V6 engine with this high-quality bare cylinder head from Engine Quest. Designed as a direct OEM replacement, it fits Vortec engines from 1992 to 2014, offering precise compatibility with GM casting numbers 12557113 & 1257114. Made from durable cast iron, this cylinder head is engineered to withstand high-pressure environments while improving thermal conductivity and resisting cracking. With its Vortec 8-bolt intake design, this bare head enhances airflow for better engine performance, making it ideal for anyone seeking to restore older vehicles or upgrade their engine's reliability and efficiency. Precision CNC machining of the guides and seats ensures perfect fitment, while the 3-angle valve finish guarantees optimal valve sealing and smoother engine operation. Engine Quest, a trusted name in automotive parts for over 75 years, rigorously tests each cylinder head through a 25-point quality check. Proudly designed in the USA, this product is backed by Engine Quest's industry-leading 1-year warranty on parts and labor, giving you confidence in the quality and longevity of your engine rebuild or repair. Engine Quest produces high-quality OE-style replacement parts. Each part undergoes rigorous testing and inspections to meet EngineQuest’s exact specifications. Designed for precision manufacturing and durability, our products ensure easy installation. With nearly 500 SKUs available, the company specializes in hard-to-find, in-demand parts, including those no longer available from the OEM, difficult to salvage, or with prohibitively high OEM costs.

• OEM Compatible Fit: Direct replacement bare cylinder head for Chevy 4.3L V6 engines, designed to match GM casting numbers 12557113 & 1257114 for 1992-2014 models.
• Durable Cast Iron Construction: Made from high-grade cast iron for superior strength, durability, and resistance to cracking under extreme conditions.
• Vortec Design for Enhanced Performance: Features an 8-bolt intake Vortec design for improved airflow, thermal conductivity, and overall engine performance.
• Precision Engineering: CNC machined guides and seats ensure a perfect fit, with a 3-angle valve finish for optimal sealing and efficient engine operation.
• Trusted Quality by Engine Quest: Backed by over 75 years of experience, with a 25-point quality check for reliability and an industry-leading 1-year warranty on parts and labor.
• EngineQuest: Over 75 Years of U.S. Automotive Expertise – Designed in the USA with Top-Quality Control. Proud IMCA/WISSOTA Supporter. Backed by a 1-Year Parts & Labor Warranty.