AD Piston Ring is the premier manufacturer of stainless steel piston rings and seals, for use in high stress, high output applications. Stainless steel piston rings and seals resist corrosion, and are durable for high rpm needs, with excellent sealing ability. Whether it be turbochargers or die cast plunger uses, we manufacture the highest in quality. Ranging in size from ¾” to 7”, we produce rings in 420, 416 and 17-7 PH grades.
Stainless steel piston rings and seals are custom manufactured, and as a result, can be made to customers’ specifications, including MM sizes, with either Butt or Step joint configurations.
Our most popular sizes of stainless steel piston rings and seals are stocked for immediate delivery!