1KT 2MA Yamaha TZR250 piston & rings +0.5 oversize

1KT 2MA Yamaha TZR250 / TDR250 and R1-Z piston & rings set (x2). This is a set to refresh and engine, both cyslinders, in +0.5 oversize. These original Yamaha 2nd oversize piston & ring option is quite hard to find, having been discontinued for some years. 2YK-11636-04 pistons x2 2MA-11610-20 or 47X-11610-20 rings x2