833 Strength
Ronnie Sox was not running an OEM 23 spline. Built crash box 18 spline that was being freshened often mabe. With a true 700-800 HP this is a race car so why not go with a Lenco. Check out Steve Clueky's duster on youtube. That is a 700 HP small block and he couldnt even keep an 18 spline in it.