1999-2010 GM HD Idler Support (KR175)Engineered exclusively for the extreme demands of the heavy duty GM truck. Built with pride in the USA to work with stock or modified suspension. Using superior components and engineering, our Kryptonite Idler Support Bracket easily outperforms the competition. The idler pivot assembly tends to wear out, bend, and even break under stress with as little as 35 tires. The idler pivot assembly is what the idler arm is mounted to, and pivots on. This