Part #: 991
Overview
Help keep a loaded truck level with adjustable Hellwig helper springs. The stated support capacity does not increase the truck’s GVWR, payload or towing rating.
Key Features
- Up to 2,000 lb level-load support
- Adjustable side-to-side support
- Mounting hardware included
Construction & Design
Heat-treated spring steel with protective finish.
Installation & Fitment
1997–2003 Ford F-150 2WD/4WD excluding SuperCrew; 2004 fits Heritage only. Does not fit the new-body 2004–2008 F-150. Match spring width and chassis before ordering.
What's Included
Rear helper springs and application-specific mounting hardware. Factory leaf springs are retained.