Our 3” drives are made out of 356-T6 aluminum, all
pulleys are cast in our own foundry and completely machined in house.
Our ongoing quality control ensures that every pulley will be exact in
every aspect, as our customers have come to expect. These drives are
supplied with our “Competitor Clutch” and spring pressure plate. Kit’s
fits 1955-1984 Shovelhead/Panhead spline engine shaft.