VERTEX PISTON KIT CAST 66.34/STD YAM HIGHWAY 21 Double stitched in high-stress areas

Double stitched in high-stress areas

Maximized ventilation and high levels of heat transfer exchange thanks to ten inlets and seven exhaust ports

Stronger inner sleeve to help minimize grip movement

Product Name Side Plate Type Helmet Fits Model Airflite™ Graphic Solid

2016 - 450 EXC-R 4-Stroke

VERTEX PISTON KIT CAST 66.34/STD YAM HIGHWAY 21 Double stitched in high-stress areasFeatures: All piston skirts are coated with a hi tech Molybdenum Disulphite coating for faster break in time and increased piston life Cast Replica piston kits are gravity cast aluminum alloy (not forged) with 18% silicone content, which produces an extremely light but very strong piston Forged Replica pistons are forged from 2618 aluminum for superior strength and durability Forged High Compression pistons improve power and torque across entire rpm