This genuine McCormick 6530166M1 cylinder head gasket is designed for optimal sealing in Perkins 3.152, 4.212, 4.236, and 4.248 engines. It ensures a reliable seal between the cylinder head and engine block, preventing leaks and maintaining engine compression. Compatible with various Massey Ferguson tractor models including the 100, 200, 500, 600, 3000, and 6000 series, as well as McCormick CX series tractors (CX50, CX60, CX70, CX80, CX90, CX100). Features a thickness of 1.27 mm and a bore of 91.44 mm.