Prop center to crank center 7.687 inches

Case depth of 5.5 inches

Case width 13.25 inches

Overall height of drive 15.00 inches

Overall width of boss 6.75 inches

Mounting flange width 23.00 inches, can cut off if not needed

Width prop governor to outside of oil pump 16.00 inches

Firewall to priop flange 10.25 inches