Piston Rings - 4" to 5"

        • 4” x 1/8” Piston Ring - Compression (STD)

          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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          • $12.70
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              • 4” x 3/16” Piston Ring - Oil

                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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                • $17.00
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                    • 4” x 7/32” Piston Ring - Compression

                      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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                      • $15.40
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                            4” x 1/4” Piston Ring - Compression (STD)

                            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.

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                            • $18.15
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                                • 4” x 1/4” Piston Ring - Oil (STD)

                                  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.

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                                  • $17.60
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                                        4” x 3/8” Piston Ring - Compression (STD)

                                        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.

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                                        • $19.25
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                                            • 4-1/8” x 3/16” Piston Ring - Compression (STD)

                                              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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                                              • $15.95
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                                                  • 4-1/8” x 3/16” Piston Ring - Oil (STD)

                                                    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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                                                    • $18.70
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                                                        • 4-1/8” x 1/4” Piston Ring - Compression

                                                          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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                                                                4-1/4” x 1/8” Piston Ring - Compression (STD)

                                                                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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                                                                • $15.95
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                                                                Sorry, we only have 191 of that item available
                                                                    • 4-1/4” x 3/16” Piston Ring - Compression (STD)

                                                                      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.

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                                                                      • $16.50
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                                                                      Sorry, we only have 91 of that item available
                                                                          • 4-1/4” x 3/16” Piston Ring - Oil (STD)

                                                                            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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                                                                            • $19.25
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                                                                            Sorry, we only have 48 of that item available
                                                                                • 4-1/4" x 1/4" Piston Ring - Compression (STD)

                                                                                  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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                                                                                  • $18.15
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                                                                                      • 4-1/4” x 1/4” Piston Ring – Compression (+0.010” Oversize)

                                                                                        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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                                                                                        • $18.15
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                                                                                            • 4-1/4" x 1/4" Piston Ring - Oil (STD)

                                                                                              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.

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                                                                                              • $22.00
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                                                                                                  • 4-1/4” x 1/4” Piston Ring - Oil (+0.010” Oversize)

                                                                                                    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.

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                                                                                                    • $22.00
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                                                                                                    • New!

                                                                                                          4-1/4” x 3/8” Piston Ring - Compression (STD)

                                                                                                          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.

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                                                                                                          • $22.00
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                                                                                                          Sorry, we only have 100 of that item available
                                                                                                              • 4-1/2” x 5/32” Piston Ring - Compression (STD)

                                                                                                                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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                                                                                                                • $17.60
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                                                                                                                Sorry, we only have 55 of that item available
                                                                                                                    • 4-1/2” x 5/32” Piston Ring - Oil (STD)

                                                                                                                      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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                                                                                                                      • $20.35
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                                                                                                                      Sorry, we only have 82 of that item available
                                                                                                                          • 4-1/2” x 3/16” Piston Ring - Compression

                                                                                                                            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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                                                                                                                            • $17.60
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                                                                                                                                • 4-1/2” x 3/16” Piston Ring - Oil

                                                                                                                                  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.

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                                                                                                                                  • $20.35
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                                                                                                                                      • 4-1/2” x 1/4” Piston Ring - Compression

                                                                                                                                        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.

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                                                                                                                                        • $18.70
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                                                                                                                                            • 4-1/2” x 1/4” Piston Ring - Oil (STD)

                                                                                                                                              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.

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                                                                                                                                              • $22.00
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                                                                                                                                                    4-3/4” x 3/8” Piston Ring - Compression (STD)

                                                                                                                                                    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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                                                                                                                                                    • $23.10
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