Advance Adapters’ 1.5″ TH350/700R to Atlas adapter (P/N AS‑6800) is a robust solution for integrating your GM TH350 or 700R automatic transmission with an Atlas 2‑ or 4‑speed transfer case. Machined from premium aluminum and designed to maintain proper output-shaft engagement (with a 7/8″ stickout), this adapter ensures seamless mating and optimal drivetrain alignment. Included in the kit are all necessary hardware—bolts, GM O‑ring, and adapter housing—to simplify installation. Note: When using with a 4WD 700R4, you’ll need part number AS‑0404. Priced competitively at $223.90, it’s built to handle the rigors of off-road and high-torque use while providing the precise fit and reliability Advance Adapters is known for