The GPM 40Cr carbon steel 55T center differential spur gear UDR055TS is supplied as a direct-swap upgrade to enhance power transmission within the diff case. Its hardened black finish increases resistance to wear and the laser-etched tooth count helps confirm correct fitment, replacing factory part numbers #8573, #8574, and #8575.
Copyright © 2008-2025 rcjaz.com.au All rights reserved