Cylinder Head Gasket Kit, .051" Compressed Thickness, 4.020" Bore

The GM 12589227 Cylinder Head Gasket Kit is a genuine GM part designed for direct replacement in various GM vehicles. Engineered, designed, and tested to rigorous standards by GM, this gasket ensures reliability and performance comparable to original equipment. It features a compressed thickness of .051" and a bore of 4.020", making it suitable for stock and mildly modified engines. This cylinder head gasket is confirmed to fit a wide range of GM models, including specific Buick Rainier, Cadillac CTS, and Escalade variants. It is also compatible with numerous Chevrolet models such as Avalanche, Corvette, Express, Silverado, Suburban, and Tahoe, as well as GMC Savana, Sierra, and Yukon. The part number 12589227 replaces previous GM part numbers 12575392 and 12569365. It is important to note that this part number includes only one head gasket. Head bolts are not included with this gasket kit. Buyers should consult their vehicle's specific fitment information to ensure compatibility, as the specific engine size and body style (e.g., 1/2 TON, 3/4 TON, 4 DOOR, CONVERTIBLE) are critical for proper application.