Well I came up with the The number of turns head thread Test.
Basically there is a seat in the head for the wider portion of the plugs just above the threads to stop on. This seat, notch, ledge, whatever... read more

Mustang FeedsWAR at 304 was a true grassroots no-prep battle for the ages. Check out all the action from 304 Motorsports Park right here.
More...
The 22-year old son of Top Fuel champ Doug Kalitta will make his Top Alcohol Dragster debut at Brainerd with Randy Meyer Racing.
More...
Leah Pruett and Matt Hagan are fighting for top positions in the Countdown. The duo heads into Brainerd with plenty to race for.
More...
The RPM Group is ready to bring racing back to South Florida. Tim Moceri and his team have big plans for a new facility.
More...
Ron Capps is ready to grow his points lead this weekend at Brainerd. Maddi Gordon wants to pick up more experience this weekend.
More...
Recent Technical Articles
Elite Motorsports Goes All-In On New Jerry Haas Pro Stock Cars At Brainerd
Elite Motorsports is bringing a fleet of new Jerry Haas Pro Stockers to Brainerd. The team hopes these new rides will help a late season push.
NewsSource Today, 11:57 AM