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Est. 1957
S&S Cycle

S&S Cycle 66-99 BT 3-5/8in Piston Ring Set - .030in

$55.53

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S&S Cycle Big Twin piston ring set, .030in oversize. For 66-99 Big Twin engines.

Key Features

  • Fits 1966-1999 Big Twin engines.
  • Piston ring set measures 3-5/8 inches in diameter.
  • These rings are .030 inches oversize.
  • Designed for engine rebuilds and custom applications.
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About this part

Product Details

These S&S Cycle piston rings are precisely sized at 3-5/8 inches and are .030 inches oversize, meaning they're built to fit pistons that have been bored out to that specific dimension. They're intended for use in 1966-1999 Big Twin Harley-Davidson engines, a popular range for custom builds and engine rebuilds where precise component matching is key.

When you're rebuilding the top end of your engine, the piston rings are critical for sealing the combustion chamber and controlling oil. These rings from S&S Cycle are well-built to ensure a good seal, helping your engine run efficiently and preventing blow-by. The .030 inch oversize is a common size for engines that have been honed to correct wear or to increase displacement slightly.

Specifications

Brand
S&S Cycle
Manufacturer Part #
94-1223X
UPC
94-1223X

Frequently Asked Questions

S&S Cycle 66-99 BT 3-5/8in Piston Ring Set - .030in

$55.53