73-87 Chevy GMC Truck Set of Clamshell Motormounts 2 Wheel Drive

Up for sale is a complete, factory-original matching pair of 2-wheel drive (2WD) clamshell engine mount brackets. These heavy-duty stamped steel brackets are a mandatory component for dropping a small block Chevy V8 into your classic 1973 to 1987 GM squarebody truck, Blazer, Suburban, or crew cab.

Unlike thin aftermarket replacements, these authentic OEM GM brackets offer perfect factory geometry and structural strength that ensures your engine sits exactly where it belongs on the 2WD crossmember. Ready to be wiped down, dropped into your project, or fitted with your choice of stock rubber or upgraded polyurethane inserts.

• Vehicle Platform: 1973–1987 Chevy C10, C20, C30 / GMC C1500, C2500, C3500 (2WD Trucks, Blazers, Suburbans, and 1988–1991 R/V series crew cabs/utilities).

• Drivetrain Layout: 2-Wheel Drive (2WD) Only — Will not fit 4x4 K-series crossmembers.

• Engine Compatibility: Small Block Chevy (SBC) V8 configurations including 267, 305, 350, and 400 cubic inch displacements.

🔍 Condition Report

These brackets are in excellent, structurally sound condition. The metal is thick, solid, and completely free of structural rust, hairline cracks, or warping. The factory mounting bolt holes and pass-through channels are clean and fully intact, meaning you won't have to fight stripped threads or rounded-out holes during your engine install.