Alfa 33/Alfasud/Sprint/145/146 intake plenum/exhaust manifold stud. These are the studs that are found on the exhaust ports of the cylinder head and the intake plenum. Their role is to secure the intake plenum to the intake manifold and the exhaust manifold to the head. Usually these studs rust and their removal usually results in breaking them.
Specifications: M8 X 1.25 X 46 mm. Longer threaded part length: 23 mm, shorter part length: 15 mm and bald part 8.5 mm.
Sold per item with OEM part number reference 210008066/60502996.
Suitable for the entire range of Boxer engines 1972-1996