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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 (10 results)

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    Set Descending Direction
    1. MAH-4045MS-15 PART NUMBER
    2. MAH-4040MS PART NUMBER
    3. MAH-4045MS PART NUMBER
    4. MAN-46354-8 PART NUMBER
      Manley Piston Ring Set 46354-8, Ductile Iron, 4.040 Bore, 1/16" x 1/16" x 3/16", File Fit
      Manley Piston Ring Set 46354-8, Ductile Iron, 4.040 Bore, 1/16" x 1/16" x 3/16", File Fit
      $181.46
      Manley
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      Piston Rings, Ductile Iron, Plasma Moly, 4.040 Bore Size, File to Fit, 1/16" x 1/16" x 3/16", 18-22 lbs oil ring tension, 8 Cylinder Kit, Ships from Manley

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      DROP SHIP
      This product is a non-stocking item for CNC-Motorsports and will be shipped directly from the manufacturer / supplier.
    5. MAN-46114-8 PART NUMBER
      Manley Piston Ring Set 46114-8, Ductile Iron, 4.040 Bore, 1.5mm x 1.5mm x 3mm, File Fit
      Manley Piston Ring Set 46114-8, Ductile Iron, 4.040 Bore, 1.5mm x 1.5mm x 3mm, File Fit
      $219.53
      Manley
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      Piston Rings, Ductile Iron, Plasma Moly, 4.040 Bore Size, File to Fit, 1.5mm x 1.5mm x 3mm , 9-13 lbs oil ring tension, 8 Cylinder Kit, Ships from Manley

      Learn More
      DROP SHIP
      This product is a non-stocking item for CNC-Motorsports and will be shipped directly from the manufacturer / supplier.
    6. MAN-46214-8 PART NUMBER
      Manley Piston Ring Set 46214-8, Ductile Iron, 4.040 Bore, .043" x .043" x 3.mm, File Fit
      Manley Piston Ring Set 46214-8, Ductile Iron, 4.040 Bore, .043" x .043" x 3.mm, File Fit
      $280.45
      Manley
      Add to Wish List

      Piston Rings, Ductile Iron, Plasma Moly, 4.040 Bore Size, File to Fit, .043" x .043" x 3.mm , 9-13 lbs oil ring tension, 8 Cylinder Kit, Ships from Manley

      Learn More
      DROP SHIP
      This product is a non-stocking item for CNC-Motorsports and will be shipped directly from the manufacturer / supplier.
    7. MAN-46224-8 PART NUMBER
      Manley Piston Ring Set 46224-8, Ductile Iron, 4.040 Bore, .043" x .043" x 3.mm, File Fit
      Manley Piston Ring Set 46224-8, Ductile Iron, 4.040 Bore, .043" x .043" x 3.mm, File Fit
      $280.45
      Manley
      Add to Wish List

      Piston Rings, Ductile Iron, Plasma Moly, 4.040 Bore Size, Drop In, .043" x .043" x 3.mm , 12-16 lbs oil ring tension, 8 Cylinder Kit, Ships from Manley

      Learn More
      DROP SHIP
      This product is a non-stocking item for CNC-Motorsports and will be shipped directly from the manufacturer / supplier.
    8. MAH-4045MS-112 PART NUMBER
    9. MAH-4040MS-112D PART NUMBER
    10. MAH-4040MS-15D PART NUMBER

    Products (10 results)

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    1. Bore Size
      4.040
    2. Ring Series
      Ductile Iron
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    Brands
    1. Mahle 6 items
    2. Manley 4 items
    Bore Size
    1. 3.551 1 item
    2. 3.552 2 items
    3. 3.571 1 item
    4. 3.572 2 items
    5. 3.581 1 item
    6. 3.582 2 items
    7. 3.630 1 item
    8. 3.640 1 item
    9. 3.700 1 item
    10. 3.766 1 item
    11. 3.776 1 item
    12. 3.780 2 items
    13. 3.786 1 item
    14. 3.790 1 item
    15. 3.796 1 item
    16. 3.800 3 items
    17. 3.810 2 items
    18. 3.820 1 item
    19. 3.830 2 items
    20. 3.898 2 items
    21. 3.905 3 items
    22. 3.917 2 items
    23. 3.922 1 item
    24. 3.927 1 item
    25. 3.937 3 items
    26. 3.947 2 items
    27. 4.000 6 items
    28. 4.001 1 item
    29. 4.005 2 items
    30. 4.010 3 items
    31. 4.020 4 items
    32. 4.025 1 item
    33. 4.030 10 items
    34. 4.035 4 items
    35. 4.040 10 items
    36. 4.045 1 item
    37. 4.050 2 items
    38. 4.055 3 items
    39. 4.060 9 items
    40. 4.065 2 items
    41. 4.070 4 items
    42. 4.075 2 items
    43. 4.080 4 items
    44. 4.090 2 items
    45. 4.095 1 item
    46. 4.100 1 item
    47. 4.120 1 item
    48. 4.125 9 items
    49. 4.130 3 items
    50. 4.135 3 items
    51. 4.140 2 items
    52. 4.145 4 items
    53. 4.150 2 items
    54. 4.155 8 items
    55. 4.160 2 items
    56. 4.165 5 items
    57. 4.170 1 item
    58. 4.180 1 item
    59. 4.185 4 items
    60. 4.245 1 item
    61. 4.250 4 items
    62. 4.255 1 item
    63. 4.260 1 item
    64. 4.265 1 item
    65. 4.270 1 item
    66. 4.280 4 items
    67. 4.310 3 items
    68. 4.320 2 items
    69. 4.330 1 item
    70. 4.350 2 items
    71. 4.375 1 item
    72. 4.380 1 item
    73. 4.390 2 items
    74. 4.440 2 items
    75. 4.500 5 items
    76. 4.530 4 items
    77. 4.560 4 items
    78. 4.600 5 items
    79. 4.625 2 items
    80. 4.630 1 item
    Oil Ring
    1. 2.0mm 2 items
    2. 3.0mm 5 items
    3. 3/16" 3 items
    Price
    Ring Fitment
    1. File Fit 7 items
    2. Pre Fit 3 items
    Ring Series
    1. AP Steel Gapless 2nd 1 item
    2. AP Steel Gapless Top 2 items
    3. AP Steel Top 8 items
    4. Claimer Race Low Tension 1 item
    5. Classic Moly Race Gold Power Low Tension 2 items
    6. Classic Race 9 items
    7. Classic Race Low Tension 3 items
    8. Classic Race Low Tenstion 3 items
    9. Classis AP Steel Top 8 items
    10. Ductile Iron 10 items
    11. Ductile Iron Low Tension 2 items
    12. Gapless AP Steel Top 1 item
    13. GN Steel Top 3 items
    14. Hardened Nitrous Series 1 item
    15. Hardened Nitrous Series Low Tension 1 item
    16. HV385 Steel 1 item
    17. Maxseal Gapless Top 6 items
    18. Maxseal Gapless Top Gold Power Low Tension 2 items
    19. Moly Original 1 item
    20. Plasma-Moly Ductile 4 items
    21. Plasma-Moly Ductile Ultra Low Tension 1 item
    22. Premium Ductile 4 items
    23. Premium Ductile Low Tension 2 items
    24. Premium Race Series 1 item
    25. Premium Race Series Low Tension 4 items
    26. Sportsman Series 1 item
    27. Steel Moly 1 item
    28. TNT Gapless 2nd 1 item
    29. TNT Gapless Top 2 items
    30. TS1 Gapless 2nd 6 items
    31. TS1 Gapless 2nd Low Tension 3 items
    32. Classic Race Gas Ported 10 items
    33. AP Steel Gas Ported 4 items
    34. Max Seal Gapless Top Gas Ported 2 items
    Second Ring
    1. 0.043" 2 items
    2. 1.0mm 2 items
    3. 1.5mm 3 items
    4. 1/16" 3 items
    Top Ring
    1. 0.043" 2 items
    2. 1.0mm 2 items
    3. 1.5mm 3 items
    4. 1/16" 3 items
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