Cometic 92-96 GM LT1 Small Block 4.100 inch Bore .066 inch MLS-5 Head Gasket (w/Valve Pockets) - C5646-066

The Cometic 92-96 GM LT1 Small Block 4.100 inch Bore .066 inch MLS-5 Head Gasket (w/Valve Pockets) - C5646-066 is a precision-engineered head gasket with a 4.100" bore and .100" 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: 4.100"
• Thickness: .100" compressed
• Part Number: C5646-066

Verified fitment: Buick Commercial Chassis (1994–1996); Buick Roadmaster (1994–1996); Chevrolet Camaro (1993–1996); Chevrolet Caprice (1994–1996); Chevrolet Corvette (1992–1996); Chevrolet Impala (1994–1996); Pontiac Firebird (1993–1996).