Upgrade your 1967-1976 Mopar A-Body with the SST Crossmember (XMM-00400), engineered in-house by Silver Sport Transmissions for TREMEC TKO and TKX 5-speed transmissions. Built from heavy-duty box-welded steel, this crossmember provides OE-level strength and durability with a precise fit and maximum clearance. Designed to fit classic Mopar models including Dart, Valiant, Barracuda, Duster, and Scamp, it simplifies manual transmission conversions and performance upgrades. Whether you're restoring or enhancing your Mopar A-Body, trust SST for high-quality, reliable components engineered for long-lasting performance and easy installation.