Transmission Crossmember – 63-87 GMC Chevy Truck

Universal Transmission Crossmember for 1963-1987 Chevy/GMC C10 Trucks — Fits TH350, TH400, 700R4, 4L60E

Upgrade your classic GM truck with this heavy-duty transmission crossmember, engineered for strength, clearance, and versatility. Precision laser-cut from durable 3/16" mild steel, it's the ideal solution for mounting popular transmissions like the TH350, TH400, 700R4, and 4L60E into your 1963-1987 Chevy or GMC C10 truck.

Designed with performance and practicality in mind, this crossmember lets you run up to a 4" exhaust pipe underneath while maintaining a high-clearance profile above the bottom of the frame — perfect for lowered or performance-driven builds.

Key Features:

• ✅ Compatible with TH350, TH400, 700R4, and 4L60E transmissions
• ✅ Laser-cut from 3/16" thick mild steel for superior strength
• ✅ Transmission mount height: 5" from top of crossmember to trans mount
• ✅ Comes with mounting hardware for easy installation
• ✅ Uncoated finish — ready for paint, powder coat, or other custom finishes
• ✅ Requires Energy Suspension mount #3.1108G (can be added via dropdown)

While specifically designed for 1963-1987 GM truck frames, this crossmember may fit other applications — please refer to measurements for custom setups or swaps.

Built to handle the torque of your upgraded drivetrain while maximizing ground and exhaust clearance, this crossmember is a must-have for your C10 transmission swap project.