BOYESEN RAD VALVE 02-15 RM85, BLOCK RAD-20A SUZUKI MX Chain Sliders Even the least weathered versions

Even the least weathered versions showcase enough of the vintage effect to stand out

Each model is unique and dedicated to maximizing the engine’s performance

allowing smoother operation and protecting it from debris and sand

Optimized for on and off-road motorcycles

providing exceptional clarity and blocking 100% of all UV radiation

BOYESEN RAD VALVE 02-15 RM85, BLOCK RAD-20A SUZUKI MX Chain Sliders Even the least weathered versionsBoyesen 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