Dutchiez

Those are the ones. although when put side to side with the stock nissan ones the titan studs protruded a bit longer on the side that threaded into the head (unthreaded bit at the end). I didn;t want to drill any further into the head to put these on because i am unsure about how much material is there in the head so i chopped this extra bit off the studs. also of note to anyone doing this, the thread on the end going into the head is 10 x 1.5, and the thread that takes the out of round nut is 10 x 1.25. You will need a couple 10 x 1.25 nuts to torque these studs down as you dont want to use the locking nut for that. I am tempted to do all the studs with these, but I think doing the ends and the middle stud (was a little stripped on mine) would be fine to sure things up better. These studs can also be tightened up a bit more like the M10 intake studs on top.

I have the exact same issue with my 6-1 MSA header. After shoehorning the header into the engine bay to check out the fit etc I noticed it either hitting or about 1 mm away from that little ear on the tranny housing. Hard to say how much contact as I have not bolted it up yet. I have the stock 4 speed tranny on my 280 which i believe has the same bellhousing as the stock 5speed. I am planning to do the exact same thing as Hardway and grind some of this away. Maybe it should fit better in this area from the supplier but I would rather grind this away than deal with returning the header and going through all that crap. Living in Canada, it is hard enough to get this hardware in a timely manner to begin with. I'm also planning to put in a flexpipe between the end of the header and the rest of the system to reduce the stress on the header flange. I'm putting in larger studs from a Nissan Titan as well to avoid any issues with the studs on the ends of the header. Doing things right because I sure as heck do not want to do this again. Good advice on the eyewear. I had a clip from a brakejob fly into my eye once. Thankfully no perm damage. Protect your hands too. I almost sliced through my wrist getting the heat shield off the intake. It has some darn sharp edges.

Cam guy...I know old post, but new Z owner looking for some rims and rubber to replace my black stock 14" steel robocop rims . ..I really like your setup, its one of the best I've seen for a z. I am about to pull the trigger on those rims, but I noticed your tire selection. They seem to fit nice on that rim in the pictures, but I think a 205/50/16 is reccomended for a max of 7.5" rim on tirerack etc. I am guessing that is nothing to be concerned about because a lot of newer cars are stretching the boundaries of rims (corvette etc). Anyway, any issues mounting those on your 8" rotas? Love this site. Looking forward to contributing over the years to come. Richard