The SST Crossmember XMG-03820 is engineered to provide superior transmission support for 1973–1987 GM K10 trucks and compatible models like the K5 Blazer, GMC Jimmy, and Suburban equipped with TREMEC TR-4050 transmissions. Designed in-house by Silver Sport Transmissions’ expert engineering team, this crossmember is crafted from heavy-duty, box-welded steel for maximum strength and durability.

Built to be as strong or stronger than the original OE crossmember, it ensures proper driveline alignment and reduces drivetrain stress for smooth, reliable performance. The bolt-in design makes installation quick and easy, requiring no cutting or welding, so you can get your classic GM truck on the road faster.

Whether you’re restoring or upgrading, the SST Crossmember XMG-03820 offers rugged construction, precise fitment, and long-lasting reliability for your transmission swap or rebuild.

Key Features:

* Fits 1973–1987 GM K10, K5 Blazer, GMC Jimmy, and Suburban
* Designed for TREMEC TR-4050 5-speed transmissions
* Engineered in-house by Silver Sport Transmissions
* Heavy-duty box-welded steel construction
* Equal or superior strength to OE crossmember
* Bolt-in installation—no modifications needed
* Maintains proper driveline geometry and clearance

Choose the SST Crossmember XMG-03820 for a durable, precision-built solution that supports your GM truck’s transmission upgrade with confidence and ease.