Just thought I would let everyone know that I let Supertech borrow one of my spare heads over the summer and they developed some +1 (intake & exhaust) valves for us along with complimenting valve train components. I thought I few of you would like to know this since I could not find a sole on this planet that made aftermarket valves for the R that was not a custom order, and the thought of larger ones was a laughing matter. Now we can get them off the shelf if we want, and +1mm!