Piston Kit for 4-StrokeKit includes piston, rings, wrist pin and circlipsPrecision machined on state of the art CNC equipmentMade with low expansion, low friction alloy12.2:1 compression ratio for '13 FE250.
12.8:1 compression ratio for '06-'12 250 SX-F and '07-'11 250 EXC-F.
13.2:1 compression ratio for '12-'13 250 EXC-F.