UMI 6429 bracket mounts rear fuel tank kit on 1973–87 C10 leaf spring trucksThe UMI Performance 6429 Bracket Add On makes our industry leading rear fuel tank conversion accessible for all 1973 1987 C10 and GMC squarebody trucks, regardless of rear suspension setup. If your truck still runs factory leaf springs these precisely engineered brackets, templates, and hardware allow you to securely mount the 6428 kit using factory frame railsno 4 link required.

Supplied is (4) 9/16" American Grade 8 bolts

Kit includes 5/8” grade 8 bolts and lock nuts

This item is built using only the best American products on the market

resists thermal breakdown

Includes Vorshlag Camber Plates

Sold as Quarts

ensuring durability and longevity

Note: Bump steer adjustment tools and theory can be found HERE

ZF Lifeguard 6 and 6 Plus Shell M1375

Koni and factory struts

Upgraded polyurethane sway bar end links offer superior durability and responsiveness compared to traditional rubber bushings

SAE Viscosity Grade (Motor Oil) 0W30