Constructed of stainless steel and 6061 T-6 billet aluminum, unlike the stock pumps, which are made from weaker cast aluminum, plastic and brass These performance pumps are a direct replacement for the inefficient OEM aluminum 6-vane stator section 148mm stator is an upgrade intended for freestyle riders; requires use of YRS Series Concorde impeller Includes 12-vane stainless pump, pump cone and dual cowling with brass fittings Use OEM Yamaha bearings and seals. STATOR YAMAHA 148MM
