Welcome to North American Motoring, the North American MINI Community of owners and enthusiasts!
You are currently viewing our boards as a guest which gives you limited access to view most discussions, articles and photo galleries. By joining our free community you will have access to post topics, communicate privately with other MINI enthusiasts (PM), respond to polls, upload your own photo gallery and access many other special features. Registration is fast, simple and absolutely free so please, join our community today!
If you have any problems with the registration process or your account login, please contact our support team.
You are currently viewing our forum as a guest, which gives you limited access to view most discussions and access our other features. By joining our community, at no cost, you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. Registration is free, fast and simple, so please join our community today!
The Intake valve has a +0.5mm oversize head made from high nickel alloy 21-4n material, deep stem undercut for higher flow rate, fully machined, swirl polished, close tolerance stem, QPQ black nitride finish provides higher surface harness with low friction for improved stem wear. Valve seat surface is harder with the nitride layer, resisting corrosion buildup and lasting longer with lead free fuels, alcohols, nitro or other "explosive" mixes. Backcut for improved flow. On Sale now!
On Sale now!
Threaded Mode