KC Instant 5% off select KC Hilite products. Excludes Gravity series and Pro series (6 and 7). Hypertech Instant $25 off Max Energy Programmers. (32500, 32501, 42500, 42501, 52500, 52501, 52502, 52503, 62001) ARB Receive a FREE ARB differential cover with the purchase of a qualifying ARB Air Locker. ARB Air Lockers include Dana 30, Dana 35, Dana