Gasket for right crankcase cover and cylinder fits multiple motorcycle models.This gasket set is designed for use with specific engine components to proper sealing.Compatible models include: CM400C 1981 CM400E 1980–1981 CM400T 1979–1981 CB400T 1978–1981 CM450C 1982 CM450E 1982–1983 CM450A 1982–1983 CB450SC 1982–1986 CB450T 1982 CM400A 1979–1981 CB400A 1978 The set includes gaskets for the cylinder and right crankcase cover, compatibility with the specified models across the listed years.Each gasket is manufactured to match specifications for fit and function.Compatibility Disclaimer: This is an aftermarket replacement part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.