PISTON KIT VERTEX 96.96MM PRO RACE YAMAHA WR450F 21-23 YZ450F 20-22 Old Number: 31120-HP5-601

Old Number: 31120-HP5-601

not what you want when you

all engine assembly areas

Integrated vent allows for variable air filling

This provides reduced friction for quicker/higher revs and a longer valve life

PISTON KIT VERTEX 96.96MM PRO RACE YAMAHA WR450F 21-23 YZ450F 20-22 Old Number: 31120-HP5-601The Vertex formula for delivering better on the track performance is simple: precision equals performance. It all begins with precision engineering based on more than 50 years of experience in designing OEM quality and championship proven replacement pistons. The commitment to precision continues throughout the manufacturing process, where every Vertex piston is given an advanced Molybdenum Disulphide (MOS2) coated skirt to aid break in and a special