Pistons 900 / Engine Tech Category_Default Category/SLED/Polaris/AXYS 850 You will need to cut

You will need to cut the cross section part of the clutch housing duct to clear the adjustment nut on the secondary clutch to run this secondary

Educational Guide: Learn more about how clutch weights work HERE

bolt-on installation that truly makes a difference

2mm stroke

and sound excellent

Pistons 900 / Engine Tech Category_Default Category/SLED/Polaris/AXYS 850 You will need to cutHaving trouble finding pistons for your ET 900 motor? We have your answer! We went out of our way to make pistons for this motor so you aren't left in the dark. Pistons are made . 020" oversize to compensate for motors that need boring. Made by Wossner pistons of Germany, expect exceptional quality!