Easily installed by Coast Diesel mechanics. Cummins 5.9 6BTA 12 valve '91 thru '98 and ISB 24 valve engines working with BOSCH technology Easily installed by Coast Diesel mechanics. These new injectors are designed for the engines combustion chamber. They have a higher flow rate and can atomize the fuel more efficiently than the stock equipped injector nozzles. Easily installed by Coast Diesel mechanics. This exact calibrated increase in fuel results in 30-40 hp more and 100-130 lbs of torque. Included with the kit is a metered orifice that increases your turbo boost for the exact air fuel ratio. Easily installed by Coast Diesel mechanics. A fairly easy at home installation that results in calibrated power increases that won't exceed the power train design. Easily installed by Coast Diesel mechanics. 90HP xxx pulse BD injectors are also now available!