The_Six
Active Member
- Joined
 - Feb 28, 2009
 
- Messages
 - 1,309
 
Hey guys Im ordering all the AN fittings for my hydro boost a nd need to order the fitting for the return line. Im using the Buick booster and the return line is ether 8mm or 5/16 both seam to work on it does any one know what the thread size should be?