Cometic Harley-Davidson 99-Up 4 1/8in Twin Cam .036in H/G.020inBase T/E Kit - C9976-036

The Cometic Harley-Davidson 99-Up 4 1/8in Twin Cam .036in H/G.020inBase T/E Kit - C9976-036 is a precision-engineered head gasket with a compressed thickness of .036".

The Cometic premium head gasket is engineered for high-performance and racing applications where OEM gaskets fall short. Built with Cometic's premium materials, this gasket meets or exceeds OEM specifications for durability and sealing performance. 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.

• Thickness: .036" compressed
• Part Number: C9976-036