For Mercruiser 120, 140, 165, 225, 228, 233, 250, 260, 470, 485, 888, 898, Bravo One, Two, Three and R/MR/Alpha One Sterndrive gimbal housing assemblies.
Anode O.D.: 1-1/4″
Length: 1-1/8″
Thread Size: 1/2″-13
Bolt Length: 4-3/4″
Bolt thread (both ends): 1/2″-13.
EMP Aluminum anodes conform to Mil-Spec A-24779(SH)

also crosses with:
Canada Metals CM55989KITA
Performance Metals 10108A
GLM 12723