27-06-2012, 06:59 PM
It's a very slight grit. I would compare it to 800 grit sandpaper. The idea is your trying to get a cross hatch effec (will try and get close up photos when we take the head off my old one) to control oil.
Team Eaton
1999 China Blue 306 GTi6 - Eaton Supercharged - 214.5bhp 181lbft
1999 China Blue 306 GTi6 - Eaton Supercharged - 214.5bhp 181lbft