Boyesen PSR-173 Replacement Pro Series Reeds for Rad Valve tires-wheels-tires-front-rear-tires Display engine temperature up to

Display engine temperature up to 575 deg

2017-2024 Harley Davidson FLHXSE CVO Street Glide

2012-2025 KTM 350 XC-F

The frequency and location of the perforation patterns in the high-flo cores creates significant sound scattering in the mid frequencies

Boyesen PSR-173 Replacement Pro Series Reeds for Rad Valve tires-wheels-tires-front-rear-tires Display engine temperature up toNOTE: 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