Unless you can get Ken's injectors which he calls stage 1s, all the others are about equal. The thing to remember is that new injectors will usually last longer than remans, remans are only as good as the remanufacturer, and any set, new, used or remanned, should be matched. Each manufacturer has a letter code for their injectors "A" "B" etc... In reality, a lot of people get in a pincha nd just replace one ruined injector and have a mix/match set which is not ideal. For example I have a set of "D" injectors from stanadyne and one remanned 'BB" from NAPA originally a Lucas branded injector. That having been said, its been in there going on 2 years, but then Ido have some rough idling and funky sounds. It doesn't seem to be hurting anything though so laziness prevails. Again, the correct way is a matched set and they will pretty much all perform alike with very slight differences. The only real noticeable difference would be to get a high altitude pump which would dereate your power, an IH application pump, which would decrease your redline, or a custom pump which might give you better power or a higher redline. If you want to get a hold of Ken, he's not too easy to reach, but the word is he does good work. I had him rebuild a turbo and it took some time for him to get around to it...but it looks like it was well done, we'll have to see when it gets bolted on. Some of these guys worship the ground he walks on, while others, especially on the other site treat him like a criminal and seem to be on a personal jihad to take him down. I have an intermediate position, I think he does good work for an economical price, especially on IDI stuff.... but don't expect a lot of easy communication...you gotta keep calling...9-11 am Michigan time is best, and most of the folks there don't know half of what he's got going. On the other hand, he's a diesel guy, small outfit who's doing what he loves.... which one of us wouldn't like to do that? With that disclaimer... if you still want Stage 1s call Ken @DPS
(269) 367-4171 For best results don't be in a hurry to have it happen and if youi can get him some cores ahead of time that's probably even better.