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    Piston Rings

    CNC-Motorsports offers the best selection in performance piston rings for pump gas street engines to nitrous or turbo race engines. We carry piston ring brands by Total Seal, Hastings, JE, Wiseco, CP and Mahle. Shop our selection of pre-fit, file fit, and gapless piston rings. We offer a huge selection of bore size options, and ring thickness sizes. Custom ring sets are available.
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    Products (1-10 of 23)

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    1. MAH-4045MS-15 PART NUMBER
      Mahle Performance Piston Ring Set 4045MS-15
      Mahle Performance Piston Ring Set 4045MS-15
      $158.86
      Mahle
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      4.040+5 Bore, File Fit, 1.5 1.5 3mm Ring Pak, Std Tension Oil Rings Learn More
    2. TS-CRG2010-45 PART NUMBER
      CRG2010-45
      Total Seal Classic Race Piston Ring Set CRG2010-45
      $168.64
      Total Seal
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      Total Seal, Classic Race, Piston Rings, 4.040+5 Bore, File Fit, 1.5 1.5 3mm Ring Pak, 11 LB Gold Power Low Tension Oil Rings Learn More
    3. TS-MG2010-45 PART NUMBER
      MG2010-45
      Total Seal Max Seal Gapless Top Piston Rings MG2010-45
      $455.47
      Total Seal
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      Total Seal, Gapless Top, Piston Rings, 4.040+5 Bore, File Fit, 1.5 1.5 3mm Ring Pak, 11 LB Low Tension Oil Ring Learn More
    4. HAS-2M5540-040 PART NUMBER
      2M5540-040
      Hastings Tough Guy Premium Ductile Piston Rings 2M5540-040
      $144.95
      Hastings
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      Hastings, Piston Rings, 4.040 Bore, Pre Fit, 1.5 1.5 3.0mm Ring Pak, Standard Tension Oil Ring Learn More
    5. HAS-2M5540-045 PART NUMBER
      2M5540-045
      Hastings Tough Guy Premium Ductile Piston Rings 2M5540-045
      $144.95
      Hastings
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      Hastings, Piston Rings, 4.040+5 Bore, File Fit, 1.5 1.5 3.0mm Ring Pak, Standard Tension Oil Ring Learn More
    6. TS-CRL2010-45 PART NUMBER
      CRL2010-45
      Total Seal Classic Race Piston Ring Set CRL2010-45
      $168.64
      Total Seal
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      Total Seal, Classic Race, Piston Rings, 4.040+5 Bore, File Fit, 1.5 1.5 3.0mm, 8 LB Low Tension Oil Ring Learn More
    7. TS-CS4701-45 PART NUMBER
      CS4701-45
      Total Seal AP Steel Piston Ring Set CS4701-45
      $375.68
      Total Seal
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      Total Seal, AP Steel, Piston Rings, 4.040+5 Bore, File Fit, 1.2 1.5 3.0mm Ring Pak, Low Tension Oil Rings Learn More
    8. TS-MS4701-45 PART NUMBER
      Total Seal AP Steel Gapless Top Piston Ring Set MS4701-45
      Total Seal AP Steel Gapless Top Piston Ring Set MS4701-45
      $530.57
      Total Seal
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      Total Seal, AP Steel, Gapless Top, 4.040+5 Bore, File Fit, 1.2 1.5 3.0mm Ring Pak, Low Tension Oil Rings Learn More
    9. TS-CRG2010GP-45 PART NUMBER
      CRG2010-25
      Total Seal Classic Race Gas Ported Piston Ring Set CRG2010GP-45 Bore 4.040
      $346.63
      Total Seal
      Add to Wish List

      Total Seal, Classic Race Gas Ported, Piston Rings, 4.040 Bore, File Fit, 1.5 1.5 3mm Ring Pak, 11 LB Gold Power Low Tension Oil Rings

      Learn More
    10. TS-CS4701GP-45 PART NUMBER
      CS4701-45
      Total Seal AP Steel Gas Ported Piston Ring Set CS4701GP-45 Bore 4.040
      $543.32
      Total Seal
      Add to Wish List

      Total Seal, AP Steel Gas Ported, Piston Rings, 4.040 Bore, File Fit, 1.2 1.5 3.0mm Ring Pak, Low Tension Oil Rings

      Learn More

    Products (1-10 of 23)

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    1. Bore Size
      4.040
    2. Second Ring
      1.5mm
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    Shopping Options
    Part Types
    1. Piston Ring 22 items
    Brands
    1. CP 2 items
    2. Diamond 1 item
    3. Hastings 2 items
    4. JE 1 item
    5. Mahle 2 items
    6. Manley 2 items
    7. Total Seal 13 items
    Price
    Bore Size
    1. 100.00 mm 1 item
    2. 3.307 1 item
    3. 3.327 1 item
    4. 3.346 1 item
    5. 3.385 1 item
    6. 3.386 2 items
    7. 3.425 1 item
    8. 3.445 1 item
    9. 3.465 1 item
    10. 3.484 1 item
    11. 3.551 1 item
    12. 3.552 10 items
    13. 3.562 2 items
    14. 3.570 1 item
    15. 3.571 2 items
    16. 3.572 9 items
    17. 3.581 2 items
    18. 3.582 7 items
    19. 3.630 1 item
    20. 3.640 1 item
    21. 3.642(92.50mm) 1 item
    22. 3.650 2 items
    23. 3.652(92.75mm) 1 item
    24. 3.660 1 item
    25. 3.662 1 item
    26. 3.662(93mm) 1 item
    27. 3.670 1 item
    28. 3.681 3 items
    29. 3.700 4 items
    30. 3.760 1 item
    31. 3.766 3 items
    32. 3.770 1 item
    33. 3.776 2 items
    34. 3.780 2 items
    35. 3.790 1 item
    36. 3.796 3 items
    37. 3.799 2 items
    38. 3.800 3 items
    39. 3.810 3 items
    40. 3.815 1 item
    41. 3.820 2 items
    42. 3.830 2 items
    43. 3.840 1 item
    44. 3.878 1 item
    45. 3.898 9 items
    46. 3.900 1 item
    47. 3.905 9 items
    48. 3.908 4 items
    49. 3.917 3 items
    50. 3.918 3 items
    51. 3.922 2 items
    52. 3.927 1 item
    53. 3.928 1 item
    54. 3.937 6 items
    55. 3.938 2 items
    56. 3.947 2 items
    57. 3.948 1 item
    58. 4.000 16 items
    59. 4.001 2 items
    60. 4.005 3 items
    61. 4.010 8 items
    62. 4.020 11 items
    63. 4.030 25 items
    64. 4.035 1 item
    65. 4.040 23 items
    66. 4.050 1 item
    67. 4.055 1 item
    68. 4.060 21 items
    69. 4.065 4 items
    70. 4.070 9 items
    71. 4.075 3 items
    72. 4.080 12 items
    73. 4.085 1 item
    74. 4.090 4 items
    75. 4.095 1 item
    76. 4.100 3 items
    77. 4.125 22 items
    78. 4.130 11 items
    79. 4.135 17 items
    80. 4.140 3 items
    81. 4.145 12 items
    82. 4.150 2 items
    83. 4.155 20 items
    84. 4.160 2 items
    85. 4.165 14 items
    86. 4.185 11 items
    87. 4.250 1 item
    88. 4.280 1 item
    89. 4.310 2 items
    90. 4.320 2 items
    91. 4.350 1 item
    92. 4.375 1 item
    93. 4.390 1 item
    94. 4.440 1 item
    95. 4.500 4 items
    96. 4.530 2 items
    97. 4.560 1 item
    98. 4.600 2 items
    99. 99.50 mm 1 item
    100. 99.75mm 1 item
    Ring Fitment
    1. File Fit 19 items
    2. Pre Fit 4 items
    Ring Series
    1. AP Steel Gapless 2nd 1 item
    2. AP Steel Gapless Top 1 item
    3. AP Steel Top 2 items
    4. Classic Moly Race Gold Power Low Tension 1 item
    5. Classic Race Low Tenstion 1 item
    6. Classis AP Steel Top 1 item
    7. Ductile Iron 3 items
    8. Gapless AP Steel Top 1 item
    9. GN Steel Top 2 items
    10. Maxseal Gapless Top 1 item
    11. Maxseal Gapless Top Gold Power Low Tension 1 item
    12. Plasma-Moly Ductile 1 item
    13. Premium Ductile 2 items
    14. Premium Race Series Low Tension 1 item
    15. TS1 Gapless 2nd 1 item
    16. Classic Race Gas Ported 1 item
    17. AP Steel Gas Ported 2 items
    Second Ring
    1. .9mm 2 items
    2. 0.043" 17 items
    3. 1.0mm 3 items
    4. 1.2mm 2 items
    5. 1.5mm 23 items
    6. 1/16" 51 items
    7. 5/64" 14 items
    Top Ring
    1. 1.2mm 4 items
    2. 1.5mm 19 items
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