Quote:

Does anyone know the thread size on holley jets?? Looks like i can drill and tap the fitting at the head and there is enough room inside for a jet and more??
Thanks again




Im almost 100% sure they are 1/4 x 32 thread


[color:"red"]65 Hemi Belvedere coming soon [/color]
[color:"#00FF00"]557" Indy engine 1.07 60ft 144mph in the 8th 2100 lbs package [/color]