Half shafts, long (heavy duty) (external-splined (2) &
internal-splined (2))/ metal u-joints (4) Use Traxxas stock and hop-up
replacement parts to get the most out of your Traxxas RTR vehicles. This
product is made from high quality materials and designed for
long-lasting performance. This is replacement hardware for use on
Traxxas vehicles; consult your user's manual for exact parts listings.