The Trail 9 Caliper Mount Kit is a bolt on kit that’s easy to install. It allows you to mount Wilwood Dynalite Calipers MFR# 120-4993 on the Trail-Gear Unit Bearing Pockets.  Fits Spidertrax: 5 & 6 Lug Hat, and Spidertrax:  14” Rotor.  (Min 17” wheel required.)

Rock Assault™ Trail Nine Brake Caliper Mount Kit, 144094-KIT, $59