Bilstein B8 5160 Series Shock Absorber 1999 Chevrolet Silverado 2500 Front For 2-2.5in Lift Programmers & Chips>Oxygen Sensors It contains our Polyphonic Harmonizer

It contains our Polyphonic Harmonizer and SwitchFire® technology

our hot-side piping is designed specifically to direct airflow to the front PTU cooler that would be blocked by a traditional piping design

This Mach FORCE Xp exhaust system is constructed of 5" mandrel-bent stainless steel tubing for maximum flow

Compatible with Walbro "450" style pumps

Bilstein B8 5160 Series Shock Absorber 1999 Chevrolet Silverado 2500 Front For 2-2.5in Lift Programmers & Chips>Oxygen Sensors It contains our Polyphonic HarmonizerBilstein B8 5160 remote reservoir shock absorbers are designed as a direct fit solution for lifted trucks and SUVs. The remote reservoir will offer increased cooling capacity and wheel travel to optimize overall performance compared to a traditional shock absorber. These shock absorbers feature a monotube design for consistent fade free performance and utilize velocity sensitive digressive valve settings which are tuned for each specific application.