Litens Automotive is the original equipment (O.E.) supplier of this tensioner for Dodge Viper applications. The Litens replacement part meets all form, fit, and performance characteristics of the original equipment part. This part is manufactured in Canada by Litens to the same exacting specifications as the O.E. part. The tensioner maintains the O.E. round spring technology as well as the internal damping design specified for this application. The tensioner comes equipped a built in "belt stretch" indicator. Litens is the world's largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.