BOYESEN PRO-21 BOYESEN REED PSR, Boyesen Pro Series Reeds - PRO, PSR-21 kids This compound delivers super-enhanced wet

This compound delivers super-enhanced wet grip and durability

Suitable for Yamaha YZ 450 F applications

CCRC Technology: Our Compound Chipping and Chunking Resistant (CCRC) technology is a compound design philosophy aimed at minimizing chipping and chunking

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BOYESEN PRO-21 BOYESEN REED PSR, Boyesen Pro Series Reeds - PRO, PSR-21 kids This compound delivers super-enhanced wetBoyesen Pro Series Reeds for RL Rad Valves PSR 21 Direct replacement reed for Rad Valve To determine if you have an RL or RR Rad Valve, look for an RL stamp in the casting; the RR Rad Valve does not have a stamp Yamaha 1996 Yamaha YZ250 Part No. 05 P21 (oro2u. com)