Boyesen PSR-181 Replacement Pro Series Reeds for Rad Valve fuel-air-carburetors-accessories double-density rubber outer sole is

double-density rubber outer sole is removable and replaceable

1976-1979 Yamaha RD400

2003 Suzuki LT-F500F Vinson 500 4x4

2006-2024 Harley Davidson FLHX Street Glide

Boyesen PSR-181 Replacement Pro Series Reeds for Rad Valve fuel-air-carburetors-accessories double-density rubber outer sole isNOTE: 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