What Injectors is Needed
99-2007 5.3 6.0 8.1 uses a mini Delphi plug. And a 48mm injector Except for flex fuel trucks which use a uscar plug commonly called ev6
08 up trucks all use the uscar plug and a 48mm injector
04 GTO uses mini timer plug and a 60mm injector
05-06 GTO use uscar 48mm injector
All trailblazer Ss use uscar 48mm injector
05 up corvette all use uscar. Ls2 is 48mm, ls3,7,9 is 38mm..
Lsa caddy is same as ls9, early ls1 cts uses 60mm mini timer plug same as f body
All 2010 camaro to present use uscar
Pontiac g8 uses uscar
Hope that helps

