Belltech driveline alignment kit for 2014+ GM 1500 Crew Cab longbed trucks with a two-piece driveshaft helps address driveline angle changes caused by lowering. The kit includes carrier bearing spacers, transmission spacers, pinion shims, grade 8 hardware, and vehicle-specific installation instructions to reduce or eliminate unwanted vibrations under acceleration when a two-piece driveshaft is present.
Belltech DRIVE LINE KIT 14+ GM 1500 CrewCab Longbed W/ 2 pc Driveshaft