Thor converters are above the industry standard of the diesel world. Your high performance diesel build is incomplete without a Thor! Youâ€™ve built a bulletproof truck, your torque converter shouldnâ€™t be any different. As a standard, our diesel units include high performance parts such as billet covers, heavy duty bearings, even the bolts are made to last an eternity. These units are crafted in house and are custom manufactured to fit the specifications of each individual application. Thor converters are available with a lifetime warranty, because these converters are made to last a lifetime! When it comes to high performance diesel torque converters, there isnâ€™t anyone that can go toe to toe with Thor converters.