OK so some were in the near future i will be rebuilding my engine and wanting to make it the bad @$$ machine. i am looking at theses two set ups for my rotating assembly. but want to know which one to get? i need the dished pistons because i will be running a supercharger.

http://store.summitracing.com/egnsea...115+4294854580

 

One is a 1 piece rear main seal, the other is a two piece rear main seal. I hope you're using a Dart block too.