Difference between NA and ET Head

Joined: March 26th, 2016, 3:52 am

August 14th, 2016, 7:17 am #1

Hi Guys

What is the difference between a NA head and ET.

I know the exhaust studs are bigger on the ET but is there anything else different.

Any info would be really appreciated
Quote
Like
Share

Teejay
Teejay

October 21st, 2016, 2:37 am #2

Cam gears are 7 degrees different in the timing also but afaik cams are the same.
Quote
Share