<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: bigsixman</div><div class="ubbcode-body">I am not sure, but I am under the belief that there may have been a change in the bolt pattern on the newer trucks. I do not know when the change occurred. </div></div>
Dave
67 Nova Boy
http://www.wheelsupport.com/chevrolet-gmc-bolt-pattern/