Description
A stepped mounting rubber to either convert a Dellorto PHBL carburettor to fit a PHBH manifold, or to convert a PHBH carburettor to use a PHBL manifold.
31 to 36mm, or 36 to 31mm.
Both ends have 1 raised locating bead.
Avoids the need to repalce the inlet manifold when changing carburettor size
