PROX 0910-0891 01.2020.250 Piston Kit for 2-Stroke Piston Kit - 66.50 mm - Yamaha RD350/RD350 LC/Banshee 350 Koso North America patented process reduces surface temperatures

patented process reduces surface temperatures by as much as 25°F for a cooler seat

Made from thicker gauge steel to eliminate breaking

Type Oil Pump Riding Style Street Units Kit Product Name Gasket Kit

Rotor Diameter 13" Style Bolt-On Material Billet Aluminum Color/Finish Chrome Disc Single Mounting Position Front Product Name Brake Caliper Riding Style Street Units Each

PROX 0910-0891 01.2020.250 Piston Kit for 2-Stroke Piston Kit - 66.50 mm - Yamaha RD350/RD350 LC/Banshee 350 Koso North America patented process reduces surface temperaturesFeatures Oversized piston follows manufacturer piston to cylinder wall clearances Precision machined on state of the art CNC equipment Made with low expansion, low friction alloy Kit includes piston, rings, circlips and wrist pin Specs Piston Material Cast Product Name Piston Kit Riding Style Street Units Kit Engine Type 2 Stroke Piston Material Aluminum Alloy Riding Style ATV Bore Oversize +2. 50 mm Bore Size 66. 50 mm Compression Ratio Standard Bore