18 0 Jacobsen 797 Engine Brake for Detroit Series 60 $800 USD (GOOD USED) Detroit Series 60 Engine Jacobs 797 Rear and Front Jake Brakes, for sale!!!!!, (FRONT AND REAR), P/N: 1031323, 1031322, Lash Setting: .020, Stock #: JB1003 For more... ConditionUsedPart Number1031323Stock NumberJB1003 MLS Number10159052CategoryEngine Brakes / Jake Brakes Last Updated4/6/2020 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info