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Pro Circuit Muffler
Head Shell
15mm swing arm bush variant is to suit to suit stock KX500
Domes are sold singular
This Kit Fits our TSR 1989-2001 CR500 Billet Cases & our 2021- 2024 CR500 Billet Direct Drop in Kit
Boyesen Power Reeds 333R Yamaha Pro Circuit MufflerDual stage reeds work in unison to perform efficiently throughout the entire powerband. The difference in stiffness between the top reed and the bottom reed allow the reeds to respond quickly and accurately to changes in engine pressure. This translates into quicker acceleration, crisper throttle response and increased horsepower throughout the powerband. Important Note: Complete Set 3 Cylinder Engine. Racing reeds for engines running over 7,000 7,500
