JE Pistons can make it happen. That's probably why more engine builders choose JE. Their success is due to many factors - Their high-tech CNC-based manufacturing facility produces thousands of pistons, each identical to the first. JE is also the first and only manufacturer to use Ultra-Crown 3-D technology. Previously considered an industry standard among the racing elite, this technology allows you to take advantage of one of racing's most guarded secrets. Check related products link for recommended piston rings.