Pair of 12558059 Cylinder Heads for GM 305 5.0L Vortec 1996-2002 Complete Cast Iron Head Set with Valves & Springs for Chevy GMC C1500 K1500 Suburban Tahoe Savana Replaces 12552520 12557113

Complete Cylinder Head Pair for GM 305 5.0L VortecReplace your cracked or worn engine components with this brand-new set of two (2) cast iron cylinder heads. These heads are fully assembled and ready for installation, designed specifically FOR the 1996-2002 GM 5.0L V8 small block engine.Key Specifications:Material: High-quality cast iron FOR superior heat resistance.Configuration: 8-bolt intake pattern and center-bolt valve cover.Valvetrain: Includes intake/exhaust valves, springs, keepers, and seals.Application: Compatible FOR Chevrolet/GMC trucks, SUVs, and vans.Marine Use: Direct replacement FOR Mercruiser 5.0L and other marine Vortec engines.Interchange Numbers: Replaces OE# 12558059, 12552520, 12557113.

• SET OF 2 COMPLETE HEADS: Includes a pair of fully assembled cylinder heads designed FOR GM 305 5.0L Vortec V8 engines. Each unit comes with pre-installed valves, high-tension springs, and seals.
• PRECISE ENGINE FITMENT: Engineered specifically FOR 1996-2002 5.0L R-Code engines. Features the signature 8-bolt intake manifold pattern and center-bolt valve cover design.
• DIRECT OE REPLACEMENT: Built to meet original specifications FOR OE numbers 12558059, 12552520, and 12557113. Fits both the driver and passenger sides of the engine block.
• WIDE VEHICLE COMPATIBILITY: Direct fit FOR Chevy/GMC C1500, K1500, Suburban, Tahoe, Yukon, and Express/Savana 1500/2500 series. Also compatible with Cadillac Escalade 1999-2000.
• HEAVY-DUTY CONSTRUCTION: Crafted from high-grade cast iron FOR maximum durability in automotive and marine applications. Ideal FOR Mercruiser 5.0L, Volvo Penta, and OMC engines.