The BD Diesel 68RFE Big Stack Overdrive Shaft is a highly durable product that is made from the highest grade materials to produce a product that is extremely efficient and long-lasting. This shaft is designed to have sixteen incredible overdrive friction exteriors that contribute to the vehicles torque hold capability increase by 33%. The vehicle will definitely be at its best with the additional 33% of steel mass that is responsible for improved absorption of heat. This product also features a billet QT100 Reaction Plates, and it needs Raybestos clutches B29308L/B29309L to be installed properly.

Since 1972, BD Diesel has provided exceptional engineered excellence when it comes to transmission rebuilders, turbocharger, and other for-diesel products exclusively to the diesel industry. BD is strategically situated in Canada, operated by a father and son tandem, together with their more than 100 employees who also have families working in the 65,000 square feet upscale facilities. BD Diesel Performance is recognized to be the leading brand for extremely durable products designed for diesel engines for North American Diesel vehicles. BD is a world-class manufacturer and distributor, and they have uniquely efficient designs that captivate the world of diesel technology.