2020-2023 Duramax 2.0" Leveling Kit (66-3020)

Fits

ReadyLIFT now offers an HD adjustable leveling kit for the GMC/ Chevrolet HD trucks that also includes the AT4 package and is made to accommodate the long-standing torsion bar suspension and is designed to function & install properly for a comfortable ride.

Part Number: 66-3020

• 2" adjustable leveling kit
• Maintains factory ride & handling
• Up to 35" tires
• Ensures correct CV angles & driveline geometry
• Compatible with factory skid plate

Includes: 

• Two forged Torsion keys
• Four Front shock spacers
• Four CNC machined Billet aluminum differential spacers
• Four HD differential laser-cut washers
• Four skid plate spacers
• Four replacement shock flange nuts
• Four extended skid plate mounting bolts
• Four extended differential mounting bolts
• Four HD skid plate washers

Tire Fitment:

• 20" by 9" +18 OR +0 offset - 35" by 12.50" tire
  

• Estimated Installation Time: 3.5 Hours +/- 0.5 Hours (not including alignment and wheel & tire assembly)
• Please take into account tire and wheel choice, this will generally have a meaningful impact on the ride & handling experience.
• GMC 1500 trucks have narrower fender well openings than Chevrolet
• 66-3020 works with trucks equipped with either the OE #84461807 or OE #84634344 factory torsion keys and requires ReadyLIFT torsion key unloading tool 66-7822B or similar for installation.

• Any ReadyLIFT products containing missing or defective components will be covered under warranty by ReadyLIFT. ReadyLIFT leveling kit, block kits, and lift kit products are NOT intended for off-road abuse. Any abuse or damage as a result of off-road use voids the warranty. See the ReadyLIFT website for exceptions.
•  Warranty does not apply to discontinued, clearance, or outlet products.
  
• Wearable components including, but not limited to, shocks, ball joints, Heim joints, bushings, and steering extensions, are covered for up to 1-year.
• Free 5 Year/ 60,000 Mile Powertrain Warranty with qualifying suspensions.