SKU: UMI4055
MPN: 4055
The 64-72 GM A-Body Frame Repair Kit from UMI Performance is a targeted solution for owners and mechanics restoring or modifying classic Chevelle, Cutlass, and Tempest platforms. Frame rot, collision damage, and rust perforation plague second-generation A-bodies, and welding in quality steel patches is the only durable fix. This 14-piece kit provides pre-cut, natural steel components that address common repair zones, eliminating the need for custom fabrication and reducing downtime on full restorations or frame-off builds.
Each repair panel is stamped from solid steel stock and finished in natural (uncoated) form, allowing you to match existing weld patterns and surface prep without fighting paint adhesion issues. The 14-piece composition targets structural zones that typically fail: floor pans, rear frame rails, front subframe mounts, and crossmember areas. Natural steel also allows for proper measurement and fitment verification before commitment—critical when working with vintage chassis that may have sagged or been previously modified. UMI's OEM-dimensioned approach ensures panels nest correctly without shimming or rework.
Restorers tackling 1964–1972 GM A-Body muscle cars will appreciate the engineering that saves hours of layout and cutting. Whether you're performing a frame-off restoration, repairing collision damage, or reinforcing a street/strip car, this kit eliminates guesswork and ensures longitudinal and lateral rigidity. Welders should account for material thickness and proper joint preparation; TIG or MIG processes work equally well. The compact 1.19 lb shipping weight makes this kit easy to transport to your shop or fabricator, and the natural finish accepts primer and paint identically to factory repair procedures.
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