SEMA 2016: King Engine Bearings’ pMaxKote Nano Composite Coating

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While perhaps an afterthought at times to anyone that’s not an engine builder, an engine won’t go far without quality, properly clearanced bearings from top to bottom. As most any gearhead can acknowledge, not all bearings are created equal and a key part of that is the coatings used on said bearings.

King Engine Bearings, based out of New Jersey, is keenly aware of this, and they’ve devised a brand new in-house coating product known as pMaxKote, a factory-applied nano composite polymer coating, that brings several great advantages to the table, which they’re unveiling here at SEMA.

The all-new pMaxKote outer coating, which is being launched at SEMA for SBC and LS engines, with other makes and model of engine to follow.

The all-new pMaxKote outer coating, which is being launched at SEMA for SBC and LS engines, with other makes and models of engines to follow.

King Engine Bearings has already been producing an overlay known as pMax Black on their XP bearings, and they found a need for a new coating, leading to the creation of the pMaxKote. This specially formulated coating is designed to be applied over the pMax Black overlay, and the main feature, as Kings’ Ron Sledge shares, is its wear resistance. The non-composite polymer formula contains a ceramic element that’s been proven through extensive testing to reduce wear. Impressively, the coating doesn’t add to the thickness of the bearing — King Bearing accomplishes this by incorporating the pMaxKote as a top layer, with the end result being a bearing that’s the same thickness as a fully uncoated bearing. The advantage to this is that you won’t run into any clearance issues, making things more predictable for the engine builder.

King's pMax Black overlay Ford EcoBoost bearings.

Sledge also points to superior seizure resistance and resistance to cavitation as primary advantages to the pMaxKote, as well.

King is launching the new coating on some of the more popular applications, including small-block Chevrolet and LS engines, which share the same road bearings, and small-block Chrysler and Ford engines will follow, among others.

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About the author

Andrew Wolf

Andrew has been involved in motorsports from a very young age. Over the years, he has photographed several major auto racing events, sports, news journalism, portraiture, and everything in between. After working with the Power Automedia staff for some time on a freelance basis, Andrew joined the team in 2010.
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