- These are the Factory OEM, Made In USA, Bolts Used to Hold the main timing chain gear to the cam shaft. They changed from styles around 1998/1999 So make sure you know which one you would need. NOT China Quality Parts
- Cam Bolt WITH Spring Button -1987-1998 4.0 - 3/4 Head - 1/2-20 Threads 1 1/4 Long of Threads - Has Pin & Spring and Two Inch Large Washer
- Cam Bolt - Attached Washer - NO Spring -1999-2006 Jeep 4.0L - 5/8 Head - 7/16 -14 Threads - 1 inch Long #2236
- Cam Thrust Plate Used in 1999-2006 Jeep 4.0s With The Bolt With NO Spring. Comes with Two T-40 Torx 5/16-18 Bolts to attach it to the block. Earlier Models Thrust was applied to the timing chain gear, per the bigger 1/2 -20 bolt used, The Later models used an actual thrust plate bolting to the block. #
- I have not yet tried, but I believe this Thrust Plate could be retro fitted to an older block. Just center up and drill and tap holes
