if i put a 0.60 over piston in my 400 ex what would that make it........ sorry for the stupid questions
if i put a 0.60 over piston in my 400 ex what would that make it........ sorry for the stupid questions
'02 400ex
UNI*w/ big gunn s/o
*main 165 42pilot out 1.5 turn, needle 4th spot from top
*stage 2 hot cam
*bored to a 407 with high comp piston
*+2 full flight a-arms
*450r front shocks