WSM Top End Kit - .5mm - Yamaha 54-546-12 21 Racewear Hat 3D mesh lining for high

3D mesh lining for high levels of breathability with anti-slip suede in the heel

Blue rinse denim with aramidic fiber construction for enhanced protection against abrasion and cuts Inner liner on knee compartment for enhanced rider comfort

Includes: 2 whip lights

GMS Full System standard no insert (runs better without) at Idle 93db GMS Full System with included sound insert at 4000 rpm 103db

WSM Top End Kit - .5mm - Yamaha 54-546-12 21 Racewear Hat 3D mesh lining for highTop quality piston kit Includes pistons, rings, pins, clips, needle bearings, head and base gaskets and intake and exhaust gaskets and oil filter for 4 stroke models