Performance Head Gasket Kit for Chevrolet Tahoe (2002-2011) 4.8L 5.3L

High-Performance Multi-Layer Steel Head Gasket Kit for 2002-2011 Chevrolet Tahoe (GMT800 / GMT900)

What it Does: The Performance Head Gasket Kit seals combustion pressures and fluid channels on the 2002-2011 Chevrolet Tahoe to stop compression leakage and eliminate oil and coolant cross-contamination.

The Stock Chevrolet Tahoe Thermal Fatigue Problem

Factory gaskets on the GM 4.8L and 5.3L Vortec Small Block architecture suffer from thermal scrub caused by differing thermal expansion rates between the engine block and cylinder heads. Over repetitive heat cycles and demanding towing duty, OEM graphite and early-generation composite fire rings deteriorate around cylinder ports, causing coolant loss, compression blow-by, and severe cylinder head deck pitting.

The Engineering Solution

This full engine overhaul kit utilizes Multi-Layer Steel (MLS) head gaskets formed with temper-rolled stainless spring steel layers and high-temperature polymer micro-coatings. The embossed active sealing beads maintain uniform clamping force under extreme combustion spikes and block deflection. Paired with vulcanized elastomeric valley and oil pan seals, this package provides complete, leak-free containment across the entire engine assembly.

What's Included

• 2 Multi-Layer Steel (MLS) Head Gaskets
• 1 Rear Crankshaft Gasket Seal
• 1 Engine Oil Pan Gasket
• 1 Valley Cover Gasket
• Intake Manifold Gaskets
• Exhaust Manifold Gaskets
• Knock Sensor Grommets
• Damping Plug Heads
• Valve Stem Seals
• Fiber Base Plates
• Assorted O-Rings and Secondary Gaskets

Technical Specifications

Compatibility

• 2002-2006 Chevrolet Tahoe 4.8L V8 (GMT800)
• 2002-2006 Chevrolet Tahoe 5.3L V8 (GMT800)
• 2007-2009 Chevrolet Tahoe 4.8L V8 (GMT900)
• 2007-2011 Chevrolet Tahoe 5.3L V8 (GMT900)

Frequently Asked Questions & Fitment Warnings

Does this fit the GMT800 and GMT900 Tahoe?

Yes, this is a direct fit for the 2002-2011 Chevrolet Tahoe equipped with 4.8L and 5.3L OHV V8 engines. Piston rings are not included in this gasket set.

Can I reuse my existing cylinder head bolts with this kit?

No, GM Vortec Gen III and Gen IV engines use torque-to-yield head bolts that yield upon initial installation and must be replaced with new fasteners.

The Chevrolet Durability Standard

Built to handle the harsh demands of heavy-payload hauling, severe towing duties, and extended idling, this overhaul kit restores proper compression and fluid containment to ensure reliable performance under demanding truck duty cycles.