United Engine & Machine has been manufacturing aftermarket pistons for automotive, light truck, popular import and heavy-duty applications since 1922. We offer over 485 OE replacement pistons.

Our Silv-O-Lite pistons are engineered to offer the best bang for your hard-earned bucks. Each Silv-O-Lite piston is manufactured from cast aluminum and then machined to produce a unique diamond finish, all to exacting skirt tolerances. It is then heat-treated and machined for strength and durability, tighter piston-to-cylinder wall clearances, and longer piston life.

Look at our catalog and find the right Silv-O-Lite piston for your application.

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Product Features

  • Reinforced top lands
  • Coated skirts (on part numbers ending with a C)
  • Floating wrist pins where applicable
  • Application specific aluminum alloys
  • Diamond finished skirts
  • Pin hole accurate to +/- .0001
  • Suffix “C” denotes Ultra Therm 42 dry film lubricant on skirts
  • Suffx “H” denotes 390 Hyperutectic alloy

Catalog Downloads

Below is a list of links where you can download a PDF version of our catalog.

Frequently Asked Questions

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