I can get you any rb you want, let me know. since your in springfield you can come check out my rb swapped car anytime. If you have the coin , I can get brand new crate rb26 n1 blocks and cranks also. Or if you want to go big boy you can rb30 /26 or 25 head. I know guys over 600whp on stock rb25 bottoms ends, There are guys in the states running mid 9's on stock rb bottom ends, stock they are not powerful but with the right combo they are amazing. If you go the rb route let me know.