Piston Rings - 3" to 4"

High quality 3-3/4” x 3/16” piston ring suitable for vintage engines with a 3.750” (95.25mm) standard bore. These compression rings have a radial wall thickness of approximately 0.125”, please check your piston ring grove for suitability before ordering.

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High quality 3-3/4” x 7/32” piston ring suitable for vintage engines with a 3.750” (95.25mm) standard bore. These compression rings have a radial wall thickness of approximately 0.145”, please check your piston ring grove for suitability before ordering.

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High quality 3-3/4” x 7/32” piston ring suitable for vintage engines with a 3.750” (95.25mm) standard bore. These oil control/scraper rings have a radial wall thickness of approximately 0.145”, please check your piston ring grove for suitability before ordering.

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High quality 3” x 1/8” piston ring suitable for vintage engines with a 3” standard bore. These compression rings have a radial wall thickness of 0.125”, please check your piston ring grove for suitability before ordering.

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High quality 3” x 1/8” piston ring suitable for vintage engines with a 3” standard bore. These oil control/scraper rings have a radial depth of 0.125”, please check your piston ring grove for suitability before ordering.

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High quality 3” x 5/32” piston ring suitable for vintage engines with a 3” (76.2) standard bore. These oil control/scraper rings have a radial wall thickness of 0.130”, please check your piston ring grove for suitability before ordering.

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High quality 3” x 3/16” piston ring suitable for vintage engines with a 3” standard bore. These compression rings have a radial wall thickness of 0.125”, please check your piston ring grove for suitability before ordering.

Sold Individually.

High quality 3” x 3/16” piston ring suitable for vintage engines with a 3” standard bore. These oil scraper rings (oil control ring) have a radial wall thickness of 0.125”, please check your piston ring grove for suitability before ordering.

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High quality 3-1/8” x 1/8” piston ring suitable for vintage engines with a 3.125” (79.375mm) standard bore. These compression rings have a radial wall thickness of approximately 0.135”, please check your piston ring grove for suitability before ordering.

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High quality 3-1/8” x 1/4” piston ring suitable for vintage engines with a 3.125” (79.375mm) standard bore. These oil control/scraper rings have a radial wall thickness of 0.135”, please check your piston ring grove for suitability before ordering.

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High quality 3-1/4” x 1/8” piston ring suitable for vintage engines with a 3.25” (82.55) standard bore. These compression rings have a radial wall thickness of 0.130”, please check your piston ring grove for suitability before ordering.

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High quality 3-1/4” x 5/32” piston ring suitable for vintage engines with a 3.25” (82.55) standard bore. These oil control/scraper rings have a radial wall thickness of 0.135”, please check your piston ring grove for suitability before ordering.

Sold Individually.

High quality 3-1/4” x 3/16” piston ring suitable for vintage engines with a 3.25” (82.55mm) standard bore. These compression rings have a radial wall thickness of approximately 0.135”, please check your piston ring grove for suitability before ordering.

Sold Individually.

High quality 3-1/4” x 3/16” piston ring suitable for vintage engines with a 3.25” (82.55) standard bore. These oil control/scraper rings have a radial wall thickness of 0.130”, please check your piston ring grove for suitability before ordering.

Sold Individually.

High quality 3-1/4” x 1/4” piston ring suitable for vintage engines with a 3.25” (82.55mm) standard bore. These compression rings have a radial wall thickness of approximately 0.130”, please check your piston ring grove for suitability before ordering.

Sold Individually.

High quality 3-3/8” x 1/8” piston ring suitable for vintage engines with a 3.375” (85.725mm) standard bore. These compression rings have a radial wall thickness of approximately 0.145”, please check your piston ring grove for suitability before ordering.

Sold Individually.

High quality 3-3/8” x 5/32” piston ring suitable for vintage engines with a 3.375” (85.725mm) standard bore. These oil control/scraper rings have a radial wall thickness of 0.145”, please check your piston ring grove for suitability before ordering.

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High quality 3-1/2” x 1/8” piston ring suitable for vintage engines with a 3-1/2” standard bore. These compression rings have a radial wall thickness of 0.145”, please check your piston ring grove for suitability before ordering.

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High quality 3-1/2” x 3/16” piston ring suitable for vintage engines with a 3.50” (88.9mm) standard bore. These compression rings have a radial wall thickness of 0.140”, please check your piston ring grove for suitability before ordering.

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High quality 3-1/2” x 3/16” piston ring suitable for vintage engines with a 3-1/2” standard bore. These oil control/scraper rings have a radial wall thickness of 0.145”, please check your piston ring grove for suitability before ordering.

Sold Individually.

High quality 3-1/2” x 1/4” piston ring suitable for vintage engines with a 3-1/2” standard bore. These compression rings have a radial wall thickness of 0.145”, please check your piston ring grove for suitability before ordering.

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High quality 3-1/2” x 1/4” piston ring suitable for vintage engines with a 3.500” (86.36mm) standard bore. These oil control/scraper rings have a radial wall thickness of approximately 0.145”, please check your piston ring grove for suitability before ordering.

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High quality 3-5/8” x 3/16” piston ring suitable for vintage engines with a 3.625” (92.075mm) standard bore. These compression rings have a radial wall thickness of approximately 0.125”, please check your piston ring grove for suitability before ordering.

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High quality 3-3/4” x 1/8” piston ring suitable for vintage engines with a 3.75” (95.25) standard bore. These compression rings have a radial wall thickness of 0.145”, please check your piston ring grove for suitability before ordering.

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High quality 3-3/4” x 3/16” piston ring suitable for vintage engines with a 3.75” (95.25) standard bore. These oil control/scraper rings have a radial wall thickness of 0.145”, please check your piston ring grove for suitability before ordering.

Sold Individually.

High quality 3-3/4” x 1/4” piston ring suitable for vintage engines with a 3-3/4” (3.750”) standard bore. These compression rings have a radial wall thickness of 0.140”, please check your piston ring grove for suitability before ordering.

Sold Individually.