Description & Size Guide
Cast Piston KitProX piston designs are usually similar to the OEM/stock configurations, although sometimes these designs are adjusted whenever the ProX engineers discover an opportunity for increased performance ProX cast pistons are very stable ProX cast pistons are made through gravity casting using aluminum alloy with apProXimately 18 percent silicon content Silicon plays a vital role in ProX’s cast piston manufacturing, as it decreases thermal expansion ProX two-stroke pistons are manufactured for both cast iron cylinder bores and Nikasil cylinder bores Regarding Nikasil cylinder bores, ProX offers a variety in oversizes graded in A/B/C/D sizing, each going up 0.01mm in diameter Yamaha RD 350 1973-1975 Yamaha RD 350 LC 1980-1991 Yamaha RD 350 LC R 1992 Yamaha YFZ 350 1987-2006 Yamaha YFZ 350 LE 2003-2004 Yamaha YFZ 350 MNH 1991-1997 Yamaha YFZ 350 SE 2005-2006 Yamaha YFZ 350 SP 2006
This item fits to following bikes.
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