1420 - 60T Live Axle Sprocket for #35 chain, 6 bolt pattern measuring 5 1/4", center hole is 4 9/16", outer diameter is 7 3/8". 2998 - 72T Live Axle Sprocket for #35 chain, 6 bolt pattern measuring 5 1/4", center hole is 4 9/16", outer diameter is...