Post by joeq66 on May 3, 2014 16:10:35 GMT -5
I had some jets drilled by prosytem and they marked them as 132.I also have some holley 103 jets and I don't remember how prosytem measured the jets.I thin they do them by orifice size so basically which is bigger the holley 103s or the prosytem 132..thanks in advance
