Boyesen PSR-181 Replacement Pro Series Reeds for Rad Valve drive-primary-drive-hardware Installs under your rim lock

Installs under your rim lock

2017-2018 Ski-Doo MX Z TNT 4-TEC 1200

1968-1974 Honda CB450K

1986-1988 Harley Davidson FXRS-SP Low Rider Sport

1996-2003 KTM 250 EXC

Boyesen PSR-181 Replacement Pro Series Reeds for Rad Valve drive-primary-drive-hardware Installs under your rim lockNOTE: When ordering replacement reeds be advised that Rad Valves with part number stamped on side of valve require replacement reeds listed Pro Series and replacement reeds for the Rad Valves without part number stamped on side of valve require replacement reeds listed Unstamped Valves. 3 stage reed design:. Low tension top reeds insure instant throttle response. Intermediate reeds increase mid range responsiveness and pull. High tension base reed