nozzle holder set with 4 injection nozzles Four injection nozzles (Nos. 1173 to 1176) mounted on one model board. Also a dismantled nozzle holder along with various nozzles, and an uncut nozzle holder. description ordernumber 1177 see also: exhaust turbocharger with charging-pressure control nozzle holder with two-spring injection nozzle and needle-displacement sensor vane-type camshaft adjuster SCR catalytic converter with AdBlue injection