[truckdog62563]

Okay, this is straight forward. You now have six 81T 1015s, so they give you a set. They are 4.33” wide (old 6”) and have 4.5” of offset. The Kelsey Hayes number is 21900.

The BB 1015D is an older wheel. 20” x 3.75” (old 5”) having the Firestone RH design rim/ring. It has 3 7/8” offset. Kelsey Hayes number is 19447.

The Budd 42920 is a 20” x 5” (current measurement system). It has the Firestone RH rim/ring and has 5” of offset.

The Budd 60030 is a 20” x 6” (current measurement system). It has the Goodyear LBW rim/ring design and has 5.50” of offset. Stu