Brute Force Devices For Rugged Applications, Best Value For Greatly Increased Traction, Complete Replacement Of Diff. Case Not Installation, Ring And Pinion Setup Not Altered, Installs Easily In Front/Rear Or Both, Proven In Most Demanding Applications
Some adjustment to your driving style is needed. You have to be careful accelerating in curves when its wet, the directions warn you of this and they are right! Awesome traction and has never let me down. Installed in one hour, of course my rear diff was ready to go back together since I already removed the damaged parts and had it cleaned up and ready to go. Awesome piece.
By Jack of all Trades Master of none
from Arlington, TN
Hello Bo, your 99 tahoe is most likely an 8.6. If you have the 5.3 motor it is the new body style and it comes with the 8.6. If you have the older 5.7 engine you would have the 8.5 rear end. Thank you for your inquiry.