PAI debuts new piston pins

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Updated Oct 4, 2018

HP Piston PinPAI Industries says its new HP Piston Pins have been specially treated with a Isotropic Superfinish (ISF) to combat parasitic loss.

PAI says ISF process is a two-stage chemically enhanced vibratory finishing process. First the parts are subjected to a proprietary chemical that temporarily harden the surface. During this stage, PAI says the vibrating action of the media removes marks which smooths the surface to a mirror like state. The hardened chemical is then removed for further polishing to take place.

The resulting low friction surface allows the drivetrain to run smoother; freeing up power and improving fuel economy. In fact, the surface is so smooth you can visually see the difference, the company says.

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