My Dodge had a 182? tooth ring gear.

The 11" and the 12" pressure plates have the same bolt pattern. I removed the 11" and installed the 12" with no hassle at all. The pressure plates are exactly the same as Chevy truck pressure plates. The input splines if 10 spline are 1 1/8" diameter, exactly the same as a chevy. So a 12" Chevy pressure plate and disk should be a bolt-on.

I figured I wasn't going to be speed shifting my truck 4 speed so went 12" for durability.

I figured I wasn't going to be speed shifting my truck 4 speed so went 12" for durability.
The only question is whether the truck really has the smaller 143T flywheel and if it does, will the 12" pressure plate fit inside.

Now if it's a 10.95" clutch on the 10.5" bolt pattern pressure plate then everything I said doesn't apply.

R.