The SST Crossmember (XMG-20080) is expertly engineered in-house by Silver Sport Transmissions to provide a perfect fit for TREMEC T56 Magnum transmissions in 1964-1972 Chevelle Hardtop. Made from heavy-duty, box-welded steel, this crossmember offers superior strength and durability, matching or exceeding OEM standards. Designed to fit the Chevrolet Chevelle, it ensures a secure, hassle-free installation for your T56 Magnum swap or performance upgrade. Built tough to deliver long-lasting reliability and enhanced driving performance.