CNC Machined Brass Outer Portal Drive Housing, Black, for Traxxas TRX-4, (1 pair)SPTST8251BR

CNC Machined Brass Outer Portal Drive Housing, Black, for Traxxas TRX-4, (1 pair) CNC Machined Brass Portal Drive Outer Housing, (1 pair) front or rear for Traxxas TRX. The outer protal Drive housing provides more precision for the portal drive transmission gears and adds more low weight to the truck to improve the crawling performance of your TRX-4