These nozzles are an easy, direct bolt-in replacement for the standard equipment in the 24v ISB motors.
Our testers report a nice 40 hp and 100 ft-lb gain, LOWER EGT than stock, better FUEL ECONOMY.
They will outlast and outperform OEM in every regard. The unparalelled Fratelli Bosio precision manufacturing tolerances means that injectors with these nozzles will not usually require any shimming - the pop tests typically show the pressures will fall within a couple percent after new Bosio nozzles are installed.
See the review on page 118 of issue 46 of the Turbo Diesel Register magazine.