These were installed in my 84 533 when i first bought it in 2017, and it wasn't until a few years later that I realized they were not the correct fuel injectors for that engine. So i've just had them sitting around since then. Good candidate for a cleaning/rebuild service like here https://www.fiveomotorsport.com/services/
Learn more about them here: https://www.injectorplanet.com/products ... 3641703819
According to that link they are 22 lb / hr at 3 bar. 14.4 ohm resistance.
Part Numbers are 13641703819 and 0280150440
$70 shipped