Goodmark GMK403372570S 1-Piece Steel Trunk Floor Assembly with Braces

The Goodmark GMK403372570S is a complete, one-piece replacement trunk floor assembly designed for classic GM A-body restoration. This full trunk pan includes integrated floor braces and tail trim support, delivering a ready-to-install solution for restorers dealing with rust damage or deteriorated trunk sheet metal.

Manufactured from stamped steel with a corrosion-resistant EDP (Electro-Deposition Primer) coating, this trunk floor pan is built to replicate the factory appearance and structural integrity of the original panel. The one-piece design simplifies installation compared to multi-piece alternatives and ensures proper fit across the full width of the trunk cavity.

Key Features:

• One-piece trunk floor assembly with integrated braces and tail trim support
• Stamped steel construction for OE-matching strength and durability
• EDP-coated finish for corrosion resistance during storage and after installation
• Full-coverage design replicates factory shapes, contours, and stampings
• Replacement trunk pan for 1970 Chevrolet Chevelle and El Camino (other A-body models)

Goodmark part number GMK403372570S is the direct replacement trunk floor for restoring the structural foundation of your classic GM muscle car or utility vehicle.