Steel Crossmember - Buick/Oldsmobile/Pontiac 1964-1972 BOP A-Body Hardtop with a TREMEC Magnum 6-Speed
The SST Crossmember (XMG-20180) is precision-engineered in-house by Silver Sport Transmissions for a perfect fit with the TREMEC T56 Magnum transmission in 1964-1972 BOP A-Body Hardtops. Constructed from heavy-duty, box-welded steel, it offers exceptional strength and durability, meeting or exceeding OEM standards. Designed to fit popular models like the Cutlass, Skylark, GS, 442, GTO, Tempest, and LeMans, this crossmember ensures a secure, reliable mount for your T56 Magnum swap or performance upgrade. Built tough for lasting performance and easy installation.
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