Detroit Diesel Series 60 14L, 12.7L Rocker Shaft 23539928. IF YOU HAVE ANY ISSUES REGARDING AN ORDER, PLEASE MESSAGE ME BEFORE OPENING A CASE. I usually answer emails MONDAY through FRIDAY. I take photos of the exact item that you will receive, unless stated otherwise. Please look at ALL of the pictures before purchasing an order. I try to match CURRENT cheaper price (I don’t match past prices). Location: 18M 225 SOM 5202.