'Albro' The Albro was a forged-aluminum flywheel that was developed along with a new bonded-bronze clutch facing. Around 1956, with the ***istance of Bud Bragdon, Schiefer Manufacturing started m***-producing clutches that were guaranteed to be explosion proof. As word of the indestructible nature of Schiefer's components spread, they quickly became the products of choice for ******** drag racers.
It's a very early Schieffer flywheel -- forged ALuminum with a BROnze friction surface, hence (probably) Albro. More info: http://www.sema.org/main/semaorghome.aspx?ID=52602