426 or 440 kits??

[416exbadasrider]

i have a 416 kit in my ex now and i am goin to do a winter rebuild and put a 426 or a 440 kit in it does anyone no where i can get a good kit thanks

[Silverfox@C&DRacing]

I would stick with the 426 piston kit, you don't have to sleeve it but we would recommend it, a piston kit sleeve and gaskets are $245. That is a je or ross piston.