High quality 4” x 1/8” piston ring suitable for vintage engines with a 4” (101.6mm) standard bore. These compression rings are available with a radial wall thickness of 0.140” & 0.155” (Select required thickness from dropdown menu when ordering), please check your piston ring grove for suitability before ordering.
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High quality 4” x 3/16” piston ring suitable for vintage engines with a 4” standard bore. These oil control/scraper 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 4” x 7/32” piston ring suitable for vintage engines with a 4” 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 4” x 1/4” piston ring suitable for vintage engines with a 4.00” (101.6mm) standard bore. These compression rings have a radial wall thickness of approximately 0.180”, please check your piston ring grove for suitability before ordering.
Sold Individually.
High quality 4” x 1/4” piston ring suitable for vintage engines with a 4” (101.6mm) standard bore. These oil control/scraper rings have a radial wall thickness of 0.155”, please check your piston ring grove for suitability before ordering.
Sold Individually.
High quality 4” x 3/8” piston ring suitable for vintage engines with a 4.00” (101.6mm) standard bore. These compression rings have a radial wall thickness of approximately 0.180”, please check your piston ring grove for suitability before ordering.
Sold Individually.
High quality 4-1/8” x 3/16” piston ring suitable for vintage engines with a 4.125” (104.77mm) standard bore. These compression rings have a radial wall thickness of 0.156”, please check your piston ring grove for suitability before ordering.
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High quality 4-1/8” x 3/16” piston ring suitable for vintage engines with a 4.125” (104.77) standard bore. These oil control/scraper rings have a radial wall thickness of 0.156”, please check your piston ring grove for suitability before ordering.
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High quality 4-1/8” x 1/4” piston ring suitable for vintage engines with a 4-1/8” (4.125”) standard bore. These compression rings have a radial wall thickness of 0.170”, please check your piston ring grove for suitability before ordering.
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High quality 4-1/4” x 1/8” piston ring suitable for vintage engines with a 4.250” (107.95mm) standard bore. These compression rings have a radial wall thickness of approximately 0.160”, please check your piston ring grove for suitability before ordering.
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High quality 4-1/4” x 3/16” piston ring suitable for vintage engines with a 4.250” (107.95mm) standard bore. These compression rings have a radial wall thickness of 0.156”, please check your piston ring grove for suitability before ordering.
Sold Individually.
High quality 4-1/4” x 3/16” piston ring suitable for vintage engines with a 4.250” (107.95mm) standard bore. These oil control/scraper rings have a radial wall thickness of 0.156”, please check your piston ring grove for suitability before ordering.
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High quality 4-1/4” x 1/4” piston ring suitable for vintage engines with a 4-1/4” (4.250”) standard bore. These compression rings have a radial wall thickness of 0.165”, please check your piston ring grove for suitability before ordering.
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High quality 4-1/4” +0.010” oversize x 1/4” piston ring suitable for vintage engines with a 4.260” (108.20mm) oversize bore. These oversized rings may also be suitable for a worn STD size bore when correctly gapped to suit.
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High quality 4-1/4” x 1/4” piston ring suitable for vintage engines with a 4-1/4” (4.250”) standard bore. These oil scraper rings (oil control ring) have a radial wall thickness of 0.155”, please check your piston ring grove for suitability before ordering.
Sold Individually.
High quality 4-1/4” +0.010” oversize x 1/4” piston ring suitable for vintage engines with a 4.260” (108.20mm) oversize bore. These oversized oil scraper rings may also be suitable for a worn STD size bore when correctly gapped to suit.
Sold Individually.
High quality 4-1/4” x 3/8” piston ring suitable for vintage engines with a 4.250” (107.95mm) standard bore. These compression rings have a radial wall thickness of approximately 0.180”, please check your piston ring grove for suitability before ordering.
Sold Individually.
High quality 4-1/2” x 1/8” piston ring suitable for vintage engines with a 4-1/2” (114.3mm) standard bore. These oil control/scraper rings have a radial wall thickness of 0.156”, please check your piston ring grove for suitability before ordering.
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High quality 4-1/2” x 5/32” piston ring suitable for vintage engines with a 4.500” (114.3mm) standard bore. These compression rings have a radial wall thickness of approximately 0.170”, please check your piston ring grove for suitability before ordering.
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High quality 4-1/2” x 5/32” piston ring suitable for vintage engines with a 4.500” (114.00mm) standard bore. These oil control/scraper rings have a radial wall thickness of approximately 0.170”, please check your piston ring grove for suitability before ordering.
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High quality 4-1/2” x 3/16” piston ring suitable for vintage engines with a 4-1/2” 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 4-1/2” x 3/16” piston ring suitable for vintage engines with a 4-1/2” standard bore. These oil scraper/control rings have a radial wall thickness of 0.150”, please check your piston ring grove for suitability before ordering.
Sold Individually.
High quality 4-1/2” x 1/4” piston ring suitable for vintage engines with a 4.500” (114.3mm) standard bore. These compression rings are available with a radial wall thickness of 0.145” or 0.170” (Select required thickness from dropdown menu when ordering), please check your piston ring grove for suitability before ordering.
Sold Individually.
High quality 4-1/2” x 1/4” piston ring suitable for vintage engines with a 4.500” (114.00mm) standard bore. These oil control/scraper rings have a radial wall thickness of approximately 0.170”, please check your piston ring grove for suitability before ordering.
Sold Individually.
High quality 4-3/4” x 3/8” piston ring suitable for vintage engines with a 4.750” (120.65mm) standard bore. These compression rings have a radial wall thickness of approximately 0.185”, please check your piston ring grove for suitability before ordering.
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