Aluminum 60 mm trumpet for Dellorto PHBH carburetors.
Milled from a solid piece of aluminum with a crimped-on gauze.
M42 x 1.25 threaded connection.
The gauze adds some 15 mm to the length of the trumpet bringing the overall length to some 45 mm.
The diameter at the gauze end is some 75 mm.
Required quantity per carburettor: 1