correction

[speedracer400]

these questions are for a 450r misprint on ogrinal thread.

[brandonpeake]

do a search, it works, but i would go cam piston pipe for more power with some port work, mine is real strong now, colby from C&D Built mine call them he will set u up right, i went with a 13-1 je piston thermal coated with hotcams 2 and porting i run half 93 half 110, it will run on 93 and its alot faster than stock