HD Kit includes a 15.5" (394mm) b-7 Axle in ceramic coat with Center spherical bearing, two SRB Riptide Bushings, two 5/8-18 bushing adjusting nuts, two HD billet aluminum collar assemblies, wheel spacers, and two 3/8-24 nyloc wheel nuts.
wheel spindle area 10mm x 70mm ( 2.75")
allows Motor Plate Spread of 212mm
Requires the 5/8-18 HD Motor Plate set for motor mounting
(12mm spindle option does not include wheel spacers and Zinc coated b-7)