I think 73 - up G.M. 4X4's have 6 lug.

LK



00 GMC Ex-Cab
Billet Grille
03 Tails
Escalade Handles
Powertrax
Lowered 2 / 4
Eagle 219's & 255/55/18's
500 watt amp & 2 - 12's in ProBox
Cowl hood
Rear C-notch & air shocks.
Formerly known as alwhite95