BOYESEN RAD VALVE 02-15 RM85, BLOCK RAD-20A SUZUKI MX Chain Sliders 500 RR 4T 17-19

500 RR 4T 17-19

As well as Alpinestars patented A-Head Fitment and Visor Detaching Systems

providing exceptional clarity and blocking 100% of all UV radiation

Optimized for on and off-road motorcycles

Chain protection

BOYESEN RAD VALVE 02-15 RM85, BLOCK RAD-20A SUZUKI MX Chain Sliders 500 RR 4T 17-19Boyesen Rad Valve RAD 20A RAD20A Now delivered with carbon fiber reeds for even greater performance gains Maintains flow velocity through the valve and redirects intake charge for more even distribution to the intake ports Sharper, quicker throttle response Added torque improves performance on hills, through corners and over technical jumps Increases horsepower in low , middle and especially the top end ranges One piece aluminum casting, no trimming