This is Original Primary with the Halo Ring. Updated Primary is now made with out the Halo Ring and has Stronger Cam Plate and Bushings. Now on most 2021 and Up models. (see part # 21300-004-1000). $215 vs $260
This is the Updated Secondary Clutch for the HiSun 400. The older model 400 had the Rivets on the Back Plate fail and came loose which can destroy the Primary Clutch and Belt. Please install the Spread bolt to separate the plates to inspect properly.
WHEN FACING TENSIONER, THE TENSIONER IS ON THE RIGHT SIDE OF THE CYLINDER
FACING THE TENSIONER, THE TENSIONER IS ON THE LEFT SIDE OF THE CYLINDER
