Originally posted by JETSPD1477
nahh.. you dont want to do that. US B18C1/GSR pistons have less dome than B17A1 pistons.
really?? i didnt know that... when i compared a P72 piston to the P70 (i think thats what the B17 was) piston, the P72 seemed more domed...

i do know the B17 is flat topped.