Super-tiny, lightweight CVD universal drive shaft (138mm) for XT8 produced from world-renown HUDY Spring Steel happens to be strategically machined for toughness and light-weight without compromising energy. All drive shafts are made of world-renowned HUDY Spring Steel, leading to a number of the worlds thinnest yet most durable drive shafts used in off-road vehicles. All drive shafts & outdrives are hardened with a proprietary solidifying procedure to deliver unsurpassed lifespan & reliability.