Big Bore 900 Piston / Patriot 850

Product Info

Wiseco 900 Big Bore Piston and Factory 9R Piston 

Direct replacement for our 900 Patriot Big Bore

Choose between forged or Cast Piston 

If you are refreshing your top end select QTY 2

IF YOU HAVE OUR BIG BORE PLEASE SELECT THE SAME PISTON THAT WAS IN YOUR KIT ORGINALY. THEY ARE DIFFERENT SIZES AND YOU CAN NOT SWAP BETWEEN THE TWO TYPES. WISECO AND FACTORY 9R