Fits 2015 Yamaha FC1800A WaveRunner FX Cruiser SVHO Piston Kit Competitively priced forged pistons coated with MOS2 for high performance and heat absorption, ported to match RAD Powersports Banshee liners, four piston categories: standard, big bore, 5mm long rod, and big bore with 5mm long rod, the piston pin is 5mm higher on the long rod pistons to accommodate the long rod, made in Germany Yamaha 1800 Super Charged .5mm Over Piston Kit Competitively priced forged pistons coated with MOS2 for high performance and heat absorption, ported to match RAD Powersports Banshee liners, four piston categories: standard, big bore, 5mm long rod, and big bore with 5mm long rod Piston pin on 5mm higher on long rod pistons to accommodate long rod, made in Germany