1659 and 1309 dictates they have 5 holes in the nozzles for 04.5-07 motors
1058 are for 2003/2004 555 motors
555 motor: 143* injector spray impacts annular region of 113* piston bowl, concentrating combustion towards the piston dome.
600-series: 124* injector spray impacts central region of 140* piston dome, propagating combustion towards the cylinder wall.