Piston Rings - 5" to 6"

High quality 5” x 7/32” piston ring suitable for vintage engines with a 5” standard bore. These compression rings have a radial wall thickness of 0.150”, please check your piston ring grove for suitability before ordering.

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High quality 5” x 1/4” piston ring suitable for vintage engines with a 5” (127mm) standard bore. These compression rings have a radial wall thickness of approximately 0.180”, please check your piston ring grove for suitability before ordering.

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High quality 5” x 3/8” piston ring suitable for vintage engines with a 5.00” (127mm) standard bore. These compression rings have a radial wall thickness of approximately 0.200”, please check your piston ring grove for suitability before ordering.

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High quality 5-1/4” x 1/4” piston ring suitable for vintage engines with a 5.250” (133.35mm) standard bore. These compression rings have a radial wall thickness of approximately 0.180”, please check your piston ring grove for suitability before ordering.

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High quality 5-1/4” x 5/16” piston ring suitable for vintage engines with a 5.250” (133.35mm) standard bore. These compression rings have a radial wall thickness of approximately 0.180”, please check your piston ring grove for suitability before ordering.

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High quality 5-1/4” x 3/8” piston ring suitable for vintage engines with a 5.250” (133.35mm) standard bore. These compression rings have a radial wall thickness of approximately 0.200”, please check your piston ring grove for suitability before ordering.

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High quality 5-1/4” x 7/16” piston ring suitable for vintage engines with a 5.250” (133.35mm) standard bore. These compression rings have a radial wall thickness of approximately 0.200”, please check your piston ring grove for suitability before ordering.

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High quality 5-1/4” x 1/2” piston ring suitable for vintage engines with a 5.250” (133.35mm) standard bore. These compression rings have a radial wall thickness of approximately 0.200”, please check your piston ring grove for suitability before ordering.

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High quality 5.5” x 1/4” piston ring suitable for vintage engines with a 5.5” standard bore. These compression rings have a radial wall thickness of 0.180”, please check your piston ring grove for suitability before ordering.

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High quality 5.5” +0.010” oversize x 1/4” piston ring suitable for vintage engines with a 5.510” (139.95mm) oversize bore. These oversized compression rings may also be suitable for a worn STD size bore when correctly gapped to suit.

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High quality 5.5” x 1/4” piston ring suitable for vintage engines with a 5.5” standard bore. These oil scraper/control rings have a radial wall thickness of 0.180”, please check your piston ring grove for suitability before ordering.

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High quality 5.5” +0.010” oversize x 1/4” piston ring suitable for vintage engines with a 5.510” (139.95mm) oversize bore. These oversized oil scraper rings may also be suitable for a worn STD size bore when correctly gapped to suit.

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High quality 5.5” x 1/2” piston ring suitable for vintage engines with a 5.5” (139.7mm) standard bore. These compression rings have a radial wall thickness of approximately 0.200”, please check your piston ring grove for suitability before ordering.

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