taco eater :
Heath Anderson from Sioux falls, SD United States
I bought these for screamin rpm's and they delivered but longevity sucks. If your gonna tear your crap down after a race then ok, but that wasn't on my list of things to do. I only got 650 miles outa them and that's it. The ceramic started to break down. Evidence shows in the cylinder walls and piston, luckily I can still run my kit but if I were you dude, go with the steels for those long all out hauls.
No bueno 
