Automatic Transmission Design on Instagram: "New TH400 Valvebody information as debuted at the 2025 PRI Show in Indy. The all new redesigned Reverse Manual Valvebody for Turbo 400 now supports transmissions that want to keep engine braking, or those that want to eliminate it, all in one kit. #ATD #TH400 #dragracing #offroadracing #PRI2025 #PRIShow"
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