For almost 100 years, United Engine and Machine has manufactured everything from basic stock-replacement pistons to top-of-the-line forged racing pistons, and everything in between — including diesel pistons. UEM makes a piston to fit almost any application of the past century and tries to keep as much work in-house as possible, even building their own machinery to create their custom pistons.
You might also like
Inside Cosworth’s Wild F1-Inpired, 16,000-RPM 3-Cylinder Engine
Cosworth's crazy little F1-inspired three cylinder not only powered Aprilia's MotoGP effort, but helped develop projects for decades.