I bought these injectors when I was putting a whipple on my 01 Z71. Ended up buying a kit that had injectors pcm and blower all together, and sold my truck now so left over stuff.

12580681 31#ers 26k miles 85 shipped to lower 48

12587269 40#ers 36k miles flex fuel 100 shipped all prices OBO

text me @ 772-828-6084 for pics