Cometic GM LS Series V8 4.040in bore .052 inch MLX Head Gasket - C5505-052

The Cometic GM LS Series V8 4.040in bore .052 inch MLX Head Gasket - C5505-052 is a precision-engineered head gasket with a 4.040" bore and .040" compressed thickness.

The Cometic MLX Multi-Layer Steel (MLS) head gasket is engineered for high-performance and racing applications where OEM gaskets fall short. Featuring MLX Multi-Layer Steel (MLS) construction, this gasket uses multiple embossed steel layers for superior sealing under extreme cylinder pressures and temperatures. Precision CNC-machined to exacting tolerances, this gasket seals combustion, water jackets, and oil passages simultaneously — eliminating the need for multiple gaskets or sealing compounds.

• Material: MLX Multi-Layer Steel (MLS)
• Bore Size: 4.040"
• Thickness: .040" compressed
• Part Number: C5505-052

Verified fitment: Buick LaCrosse (2008–2009); Buick Rainier (2004–2007); Cadillac CTS (2004–2007); Cadillac Escalade (2002–2005); Chevrolet Avalanche (2007–2013); Chevrolet Avalanche 1500 (2002–2006); Chevrolet Camaro (1998–2002); Chevrolet Caprice (2011–2017); and 34 more.