Xray NT1 Lightweight Diff outdrive adapters
Xray now offers lightweight CNC-machined diff outdrive adapters, made from tough Hudy Spring Steel, for serious racers who are conscious of weight savings. Available for both the front and rear differentials, the shafts are precision ground and polished for smooth operation, and have been strategically machined to be lighter than the standard versions, a weight saving of 25% on the front and 20% on the rear.
Source: Xray [teamxray.com]