View Full Version : ironhead rocker arms modify sporty

04-01-2016, 5:47 PM
I been looking at the exhaust rocker arms and wanted to know if anyone enlargened the small oil hole its 30t now

04-01-2016, 10:15 PM
You won't get more flow by enlarging those particular holes as the oil has already been meetered at the rocker feed.
Plus the exhaust sit in the lowest part of the head/rocker anyway, plenty of oil over there.

04-02-2016, 3:55 AM
thx for the reply been through 15 sportsters past 46 yrs just always thinking ways to improve these dinosours