BOYESEN 1999 YZ250 BOY.RAD VALVE RAD-34E Underwear - Riding SCAR Racing part number: STIMENG450SXF

SCAR Racing part number: STIMENG450SXF

Face Foam - Three-layer Face Foam for sweat collection

YFM 350 Big Bear (1999)

Adjustable brass spray nozzle

- SHERCO 300 SEF-R 2020 2021 2022 2023

BOYESEN 1999 YZ250 BOY.RAD VALVE RAD-34E Underwear - Riding SCAR Racing part number: STIMENG450SXFBoyesen Rad Valve RAD 34E RAD34E 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