Bilstein B8 5100 Series Front Shock for 1.50-Inch Lift (11-23 Sierra 2500 HD) Harnesses A separate optic that's dedicated

A separate optic that's dedicated to the turn signal function uses amber LED's to produce a full sequential turn signal

but they're OE quality

This is one of Carli's most capable off-road systems

A Tow Package version of this kit is also available with a taller 2

Triple Bi-LED projectors

Bilstein B8 5100 Series Front Shock for 1.50-Inch Lift (11-23 Sierra 2500 HD) Harnesses A separate optic that's dedicatedIncrease Performance. Ensure superior quality and the performance you seek by investing in the Bilstein 5100 Series Front Shock. This unique shock is specifically designed for Sierras with 1. 50 inches of suspension lift to provide maximum control and comfort to match the stressful demands of travel both on and off road even under heavy loads. Intense Technology. Superior to conventional twin tube shock options, the 5100 shock features a monotube