This is a replacement HPI 43 Tooth Spiral Differential Gear. This gear is the stock replacement for the HPI Trophy Truggy, but can also be used with the Trophy Buggy as an optional accessory, but must be combined with the HPI101191 in Trophy Buggy applications...
This is a replacement Arrma Kraton EXB 43T Spiral Cut Main Diff Gear. This is a replacement for the Kraton 6S EXB model, but can be used with the standard 6S BLX Kraton, Mojave, Notorious, Outcast, and Talion kits as an optional upgrade.NOTE: Must be used with ARA310979 - MAIN INPUT GEAR 1..