2 2001gmc New member Joined Apr 23, 2011 Messages 31 Reaction score 0 Points 0 Aug 31, 2014 #1 Are these the correct plugs for my 2001GMC 5.3L Z71 Ex Cab. Are they any good or do you guys have any other recommendations?
Are these the correct plugs for my 2001GMC 5.3L Z71 Ex Cab. Are they any good or do you guys have any other recommendations?
2 2001gmc New member Joined Apr 23, 2011 Messages 31 Reaction score 0 Points 0 Sep 18, 2014 #2 790 views and nobody has any input?
