BOYESEN RAD VALVE 02-18 YZ85, BLOCK RAD-30C Chain Adjusters/Axle Blocks ST 80 04-13

ST 80 04-13

CHAMP 87-91

this hat is a must-have addition to your collection

contaminated oil conditions

BOYESEN RAD VALVE 02-18 YZ85, BLOCK RAD-30C Chain Adjusters/Axle Blocks ST 80 04-13Boyesen Rad Valve RAD 30C RAD30C 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