BOYESEN BALANCE TUBE BOOT (RB-19) EXHAUST REPACK KITS Double Row of Balls

Double Row of Balls

Housing Sleeve Length: 855mm / 33-34''

Needle bearing shafts are made with 52100 bearing steel that has been hardened and precision ground

ROCK HARD FULL-METAL BRAKE PAD

BOYESEN BALANCE TUBE BOOT (RB-19) EXHAUST REPACK KITS Double Row of BallsBOYESEN BALANCE TUBE BOOT One reed petal is NOT enough! The reed petals in all 2 stroke engines take an incredible amount of abuse! At peak RPM, reed petals are opening and closing hundreds of times per second. Over time, a single reed loses its ability to regulate flow rates in proper proportions. This causes a loss of reed petal reaction and reduces the consistency of peak horsepower. Boyesen's revolutionary dual stage reed design delivers more