Cometic GM LS1 (w/M.I.D. Sleeves) 4.165 inch Bore .060 inch MLS-5 Head Gasket - C5790-060

The Cometic GM LS1 (w/M.I.D. Sleeves) 4.165 inch Bore .060 inch MLS-5 Head Gasket - C5790-060 is a precision-engineered head gasket with a 4.165 bore and .165" compressed thickness.

The Cometic 5-Layer Multi-Layer Steel (MLS) head gasket is engineered for high-performance and racing applications where OEM gaskets fall short. Featuring 5-Layer Multi-Layer Steel (MLS) construction, this gasket uses five embossed steel layers delivering exceptional clamping load distribution for high-output applications. 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: 5-Layer Multi-Layer Steel (MLS)
• Bore Size: 4.165
• Thickness: .165" compressed
• Part Number: C5790-060

Verified fitment: Cadillac CTS (2004–2007); Chevrolet Camaro (1998–2002, 2010–2015); Chevrolet Corvette (1997–2013); Chevrolet SS (2014–2017); Chevrolet SSR (2005–2006); Chevrolet Trailblazer (2006–2009); Pontiac Firebird (1998–2002); Pontiac G8 (2009); and 1 more.