Ok this is kind of what I figured. The thing that was throwing me of was that one cylinder was 3/8 inlet and the other was 7/16 inlet but upon further research I see that these will in fact get the job done. Thanks for your help.
1965 Chevrolet C-60 292 Flatbed 2008 GMC Sierra SLE Z71 Crew Cab 1992 Chevrolet C1500 Cheyenne 5 Speed 2001 Harley Davidson FLHT Electra Glide Standard