Smallblock Pistons: 1 question.....KB's -or- Sealed Power(SpeedPro hypers)???

He actually said that his kids shouldn't hope for an 11sec. street machine... so yes stock or hyper would be fine.
As long as he stays out of detonation.

Edit: NM9 has it all covered.

One thing I'll correct is the part about balance and stock weight pistons. You dont want factory balance, nope... especially if you have the chance to correct it.