2020-2021 GM HD Contact Helper Spring Kit - 2 Additional Leaves (HWG9703) auto-powerstroke-3-0l-2018-2021-fuel-system Models equipped with Duramax diesel

Models equipped with Duramax diesel engines will have front lift height range of 1

SAE-compliant lighting with a seamless OEM appearance

Limited lifetime warranty on PPE 304 Stainless Steel Exhaust Systems

25 inches of front leveling lift

2020-2021 GM HD Contact Helper Spring Kit - 2 Additional Leaves (HWG9703) auto-powerstroke-3-0l-2018-2021-fuel-system Models equipped with Duramax dieselLevel out your load and ride with confidence using the 2020 2021 GM HD Contact Helper Spring Kit 2 Additional Leaves from Hellwig. Designed to support heavy payloads and towing, this helper spring system keeps your rear end from sagging under weight maintaining proper ride height, headlight aim, and steering geometry. Features Maintains proper ride height under heavy loads Improves towing stability and load leveling Manufacturer Description Add