Delco 17 1/4 inches overall length. 10461008, 10461089, 10461280 plus many others.
Ground wire on left, some are internally grounded. S terminal on right. Some have OCP (over crank protection)
Some have ground post on back, some are internally grounded. 12 teeth on bendix, some have 10.
Approx. 3 inch length on back plate.