There's no denying that automatic transmissions are popular with classic truck aficionados. The contemporary overdrive variety provides great gear ratio spreads and most can be built to handle huge ...

Hot-shot and other “heavy hauler” drivers who are facing the hot summer always have a fear their older truck’s factory transmission cooler isn’t going to be enough to keep temps in check. BD ...

Overheating the aluminum G56 five- and six-speed manual transmission is a concern for many ’05½-and-newer heavy-duty Ram owners who use their rigs for severe-duty tasks (hot-shot and excessive-weight ...

BD’s Xtruded Transmission Oil Coolers use high efficiency Micro Extruded bar technology that provides 22% more cooling over other designs. The 200 Micro Extruded passages provide a large surface area ...

Your transmission cooler works quietly in the background, but it has a direct say in how long your gearbox lives. By controlling heat, it protects fluid, seals, and internal parts so your car can ...