1989 KTM 500 LC4 Reed Valve Systems
- Boyesen®Power ReedsKTM 500 LC4 1989, Power Reeds by Boyesen®. Boyesen Power Reeds use a patented dual-stage fiberglass design for more airflow, more air velocity and more overall power. This top-grade product is expertly made in compliance with stringent...Dual stage reedsMinor change gives major H.P. improvements$41.84