SKI-DOO HYVO BOTTOM NARROW SPROCKETS FOR 2021-2025 SKI-DOO HYVO CONVERSIONS

Ski-doo HYVO CONVERSION bottom NARROW sprockets for 2021 & UP REV GEN4 & GEN5 ! THESE DO NOT FIT OEM SKI-DOO CHAIN AND SPROCKETS (except some 850 turbo models) . HYVO chain and sprockets have less friction and rolling resistance with more strength for you performance nutz! THIS IS FOR 2021-2025 SKIDOO'S WITH THE NARROW BOTTOM GEARS- THESE DO NOT FIT PRE 2021 DRIVESHAFTS. example : to convert a 2022 Ski-doo mxz renegade from 25-45 stock gears to HYVO- order a HYVO 25 t top, NARROW HYVO 45t bottom, and 108 HYVO chain. For a 2020 or earlier, order a HYVO 25 T TOP, standard width HYVO 45T BOTTOM, and HYVO 108 CHAIN.