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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 14)

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    1. JE-S100S8-4040-5 PART NUMBER
    2. JE-J820F8-4040-5 PART NUMBER
    3. JE-J82008-4040-5 PART NUMBER
    4. JE-J10008-4040-5 PART NUMBER
    5. JE-J100F8-4040-5 PART NUMBER
    6. 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.
    7. 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

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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.
    8. 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.
    9. 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

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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.
    10. MAN-46114ST-8 PART NUMBER
      Manley Piston Ring Set 46114ST-8, AP Steel, 4.040 Bore, 1.5mm x 1.5mm x 3mm, File Fit
      Manley Piston Ring Set 46114ST-8, AP Steel, 4.040 Bore, 1.5mm x 1.5mm x 3mm, File Fit
      $380.71
      Manley
      Add to Wish List

      Piston Rings, Steel Top, Napier 2nd, 4.040 Bore Size, Drop In, 1.5 x 1.5 x 3.0mm, 9-13 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.

    Products (1-10 of 14)

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    1. Brands
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    3. Bore Size
      4.040
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    Shopping Options
    Brands
    1. CP 2 items
    2. Diamond 11 items
    3. Hastings 8 items
    4. JE 8 items
    5. Mahle 8 items
    6. Mahle Original (Perfect Circle) 2 items
    7. Manley 6 items
    8. Total Seal 67 items
    Bore Size
    1. 3.209 1 item
    2. 3.268 1 item
    3. 3.307 1 item
    4. 3.405 1 item
    5. 3.552 2 items
    6. 3.563 1 item
    7. 3.571 1 item
    8. 3.572 2 items
    9. 3.582 2 items
    10. 3.630 1 item
    11. 3.635 1 item
    12. 3.642 1 item
    13. 3.652 1 item
    14. 3.662 2 items
    15. 3.667 1 item
    16. 3.672 1 item
    17. 3.681 1 item
    18. 3.700 3 items
    19. 3.760 1 item
    20. 3.766 1 item
    21. 3.770 5 items
    22. 3.780 3 items
    23. 3.790 2 items
    24. 3.800 2 items
    25. 3.810 1 item
    26. 3.820 1 item
    27. 3.830 1 item
    28. 3.840 1 item
    29. 3.900 1 item
    30. 3.905 3 items
    31. 3.917 2 items
    32. 3.922 2 items
    33. 3.937 2 items
    34. 4.000 6 items
    35. 4.001 2 items
    36. 4.010 4 items
    37. 4.020 6 items
    38. 4.030 13 items
    39. 4.035 5 items
    40. 4.040 14 items
    41. 4.050 1 item
    42. 4.060 15 items
    43. 4.065 1 item
    44. 4.070 5 items
    45. 4.075 2 items
    46. 4.080 5 items
    47. 4.090 2 items
    48. 4.095 2 items
    49. 4.100 2 items
    50. 4.120 2 items
    51. 4.125 14 items
    52. 4.130 5 items
    53. 4.135 6 items
    54. 4.145 3 items
    55. 4.155 9 items
    56. 4.165 8 items
    57. 4.185 6 items
    58. 4.210 1 item
    59. 4.250 1 item
    60. 4.280 6 items
    61. 4.310 5 items
    62. 4.320 2 items
    63. 4.350 2 items
    64. 4.360 1 item
    65. 4.375 2 items
    66. 4.390 2 items
    67. 4.440 1 item
    68. 4.500 8 items
    69. 4.530 6 items
    70. 4.560 9 items
    71. 4.600 5 items
    72. 4.610 1 item
    73. 4.625 4 items
    74. 87.50mm 1 item
    75. 87.60mm 1 item
    76. 88.00mm 1 item
    77. 94.00mm 1 item
    Oil Ring
    1. 3.0mm 7 items
    2. 3/16" 7 items
    Price
    Ring Series
    1. AP Steel Top 2 items
    2. Ductile Iron 4 items
    3. Hardened Nitrous Series 1 item
    4. Hardened Nitrous Series Low Tension 1 item
    5. Premium Race Series 1 item
    6. Premium Race Series Low Tension 4 items
    7. Sportsman Series 1 item
    Second Ring
    1. 0.043" 4 items
    2. 1.5mm 3 items
    3. 1/16" 7 items
    Top Ring
    1. 0.043" 4 items
    2. 1.2mm 1 item
    3. 1.5mm 2 items
    4. 1/16" 7 items
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