Detroit Series 60, Engine Brakes, (GOOD USED) Detroit 60SER 12.7L Jake Brake Model 765 For Sale, Jake Brake Part # 017537, (12 VDC), Detroit OEM Part # P23507824, Pulled off a Detroit Series 60 12.7L, Serial # EM516211, Stock # 8706 **COMES AS SEEN IN PHOTOS, REFER TO PHOTOS***
