With those cylinders up front, it would make the old deuce stop on a dime ! Or flip over !!! HaHaHa !!!So besides the standard 1-3/8" bore wheel cylinders, and the larger 1.5" diameter wheel cylinders used on the front axle of the M35a3 trucks, there is also a 1.75"diameter wheel cylinder that may fit (it may be a little too fat though and possibly rub against the shoe return spring. I'm not suggesting to use this as most 6x6 deuce brake systems may not have enough fluid capacity, but for Bobbed trucks and those with the skill and knowledge of their brake system who like to try different things here it goes: The DORMAN W1012 is the big daddy to the other 2 sizes as described in post 3.