1989 c2500 8lug 350ci/400/411
1995 c1500 burb 350ci
1999 k1500 burb 350ci
1991 c1500 stepside 305ci.
I just got the stepside so the only pic I have is when a tree fell on it 2 weeks ago lol
I had to do this on my 89 3/4 ton. What I found is after three attempts with the auto parts store kits, they are the wrong size. Went to the dealership and got the gm kit and hasn't been a problem since. Its been 4 years now and hasn't leaked a drop