Direct Replacement for Chevrolet, Buick, Hummer & Pontiac 4.8L-5.3L V8 Engines (2002-2011) Compatible with LS1, LS2, LS3, LS4, LS5, LS6 Models – Fits Engine Gasket Sets HS9292PT, HS54331A, HS26191PT Series, CS9284 & More Includes Multi-Layer Steel (MLS) Head Gaskets, Intake & Exhaust Manifold Gaskets, Valve Cover Gaskets, Viton Valve Stem Seals, O-Rings, Timing Cover & Oil Pan Gaskets, Plus 30 High-Quality Head Bolts (ES72173 Gen 1) Engineered with Advanced Manufacturing Technology for Superior Durability and Reliable Operation in Extreme Temperatures Brand New and 100% Factory Tested to Guarantee Quality and Longevity Designed for a Precise Fit and Built to Meet OEM Specifications for Long-Lasting, Reliable Performance You Can Trust Please Confirm Fitment by Checking Your Vehicle’s Year, Make, Model, Engine, and Trim Before Purchase. Your Satisfaction Is Our Top Priority – Contact Us Anytime with Questions or Issues for a Fast, Hassle-Free Resolution Direct Replacement for Chevrolet, Buick, Hummer & Pontiac 4.8L-5.3L V8 Engines (2002-2011) Compatible with LS1, LS2, LS3, LS4, LS5, LS6 Models – Fits Engine Gasket Sets HS9292PT, HS54331A, HS26191PT Series, CS9284 & More Includes Multi-Layer Steel (MLS) Head Gaskets, Intake & Exhaust Manifold Gaskets, Valve Cover Gaskets, Viton Valve Stem Seals, O-Rings, Timing Cover & Oil Pan Gaskets, Plus 30 High-Quality Head Bolts (ES72173 Gen 1)