I replaced my most likely stock Bosch nozzles with the Bosio ones that Diesel giant sells. I have about 800-1000 miles on them so far and no problems. I think the motor starts a lot better with these vs. the Bosch but that is likely because they were original. At this point I would deffinatly buy them again. I will post if anything goes wrong. (doubtful)

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1981 300 SD 213k miles "Stock for now"
1999 Super Duty 7.3L 113k miles
1981 300 SD 180k miles "Heavily modified" SOLD