GM Performance 12589227 Cylinder Head Gasket - LS2 L76 6.0L

The GM Performance 12589227 is a genuine OEM multi-layer steel (MLS) cylinder head gasket designed specifically for LS2 and L76 6.0L V8 engines. This high-quality gasket provides the same performance, durability, and service life as the original factory equipment installed during production.

Key Specifications:

• Bore Size: 4.020 inches maximum
• Compressed Thickness: 0.051 inches
• Multi-layer steel construction for superior sealing
• Standard LS bolt pattern
• Designed for naturally aspirated LS2 and L76 6.0L engines

Important Note: This gasket is sold individually. Two gaskets are required for a complete engine rebuild. The gasket does not include cylinder head bolts, which must be purchased separately.

This genuine GM part is engineered to meet the rigorous standards set by General Motors and is suitable for a wide range of GM vehicles including Chevrolet Corvette, Silverado, Suburban, Tahoe, GMC Sierra, Yukon, Cadillac CTS and Escalade, Pontiac GTO, Hummer H2, and various other GM truck and performance applications equipped with 6.0L LS-series engines.