The SST Crossmember (XMG-18100) is engineered in-house by Silver Sport Transmissions to provide a perfect fit for TREMEC T56 Magnum transmissions in 1975-1981 GM F-Body vehicles. Crafted from durable box-welded steel, this crossmember matches or exceeds the strength of the original equipment, ensuring reliable support for your drivetrain. Designed specifically for Chevrolet Camaro and Pontiac Firebird/Trans Am models, it offers a seamless installation and superior performance for your T56 Magnum swap or upgrade. Built tough for long-lasting durability and enhanced driving confidence.