Zone Offroad 2" Torsion Key Leveling Kit 11-19 GM 2500HD / 3500 SYN-8555-30-HD Includes a 1/8 NPT sending

Includes a 1/8 NPT sending unit

you will need a different gearbox

anyone can install their own onboard air system that features a Model 230 Beast triple train horn

surpassing the capabilities of conventional steel body shocks

Zone Offroad 2" Torsion Key Leveling Kit 11-19 GM 2500HD / 3500 SYN-8555-30-HD Includes a 1/8 NPT sendingLevel the front end of your 2011 2019 GM Duramax with the Zone off road 2" leveling kit with 2" rear block kit. This kit gives you the ability to fit up to a 34" tall tire all while retaining the tail high look. This kit features castings that are resonance frequency tested to ensure they are defect free and ready to withstand any abuse.