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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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    1. MAN-46500-8 PART NUMBER
      Manley Piston Ring Set 46500-8, Ductile Iron, 3.780/3.785 Bore, 1.2 x 1.2 x 3.0mm, File Fit
      Manley Piston Ring Set 46500-8, Ductile Iron, 3.780/3.785 Bore, 1.2 x 1.2 x 3.0mm, File Fit
      $232.71
      Manley
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      Piston Rings, Ductile Iron, Plasma Moly, 3.780 3.785 Bore Size, File to Fit, 1.2 x 1.2 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.
    2. MAN-46510-8 PART NUMBER
      Manley Piston Ring Set 46510-8, Ductile Iron, 3.790 Bore, 1.2 x 1.2 x 3.0mm, File Fit
      Manley Piston Ring Set 46510-8, Ductile Iron, 3.790 Bore, 1.2 x 1.2 x 3.0mm, File Fit
      $232.71
      Manley
      Add to Wish List

      Piston Rings, Ductile Iron, Plasma Moly, 3.790 Bore Size, File to Fit, 1.2 x 1.2 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.
    3. MAN-46520-8 PART NUMBER
      Manley Piston Ring Set 46520-8, Ductile Iron, 3.800 Bore, 1.2 x 1.2 x 3.0mm, File Fit
      Manley Piston Ring Set 46520-8, Ductile Iron, 3.800 Bore, 1.2 x 1.2 x 3.0mm, File Fit
      $232.71
      Manley
      Add to Wish List

      Piston Rings, Ductile Iron, Plasma Moly, 3.800 Bore Size, File to Fit, 1.2 x 1.2 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.
    4. MAN-46107-8 PART NUMBER
      Manley Piston Ring Set 46107-8, Ductile Iron, 3.905 Bore, 1.5 x 1.5 x 3.0mm, File Fit
      Manley Piston Ring Set 46107-8, Ductile Iron, 3.905 Bore, 1.5 x 1.5 x 3.0mm, File Fit
      $233.45
      Manley
      Add to Wish List

      Piston Rings, Ductile Iron, Plasma Moly, 3.905 Bore Size, File to Fit/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.
    5. MAN-46500ST-8 PART NUMBER
      Manley Piston Ring Set 46500ST-8, AP Steel, 3.780 Bore, 1.2 x 1.2 x 3.0mm, File Fit
      Manley Piston Ring Set 46500ST-8, AP Steel, 3.780 Bore, 1.2 x 1.2 x 3.0mm, File Fit
      $403.55
      Manley
      Add to Wish List

      Piston Rings, Steel Top, Napier 2nd, 3.780 Bore Size, File to Fit, 1.2 x 1.2 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.
    6. MAN-46350-8 PART NUMBER
      Manley Piston Ring Set 46350-8, Ductile Iron, 4.000 Bore, 1/16" x 1/16" x 3/16", File Fit
      Manley Piston Ring Set 46350-8, Ductile Iron, 4.000 Bore, 1/16" x 1/16" x 3/16", File Fit
      $181.46
      Manley
      Add to Wish List

      Piston Rings, Ductile Iron, Plasma Moly, 4.000 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-46353-8 PART NUMBER
      Manley Piston Ring Set 46353-8, Ductile Iron, 4.030 Bore, 1/16" x 1/16" x 3/16", File Fit
      Manley Piston Ring Set 46353-8, Ductile Iron, 4.030 Bore, 1/16" x 1/16" x 3/16", File Fit
      $181.46
      Manley
      Add to Wish List

      Piston Rings, Ductile Iron, Plasma Moly, 4.030 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

      Learn More
      DROP SHIP
      This product is a non-stocking item for CNC-Motorsports and will be shipped directly from the manufacturer / supplier.
    8. MAN-46355-8 PART NUMBER
      Manley Piston Ring Set 46355-8, Ductile Iron, 4.035 Bore, 1/16" x 1/16" x 3/16", File Fit
      Manley Piston Ring Set 46355-8, Ductile Iron, 4.035 Bore, 1/16" x 1/16" x 3/16", File Fit
      $181.46
      Manley
      Add to Wish List

      Piston Rings, Ductile Iron, Plasma Moly, 4.035 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

      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-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
      Add to Wish List

      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

      Learn More
      DROP SHIP
      This product is a non-stocking item for CNC-Motorsports and will be shipped directly from the manufacturer / supplier.
    10. MAN-46356-8 PART NUMBER
      Manley Piston Ring Set 46356-8, Ductile Iron, 4.060 Bore, 1/16" x 1/16" x 3/16", File Fit
      Manley Piston Ring Set 46356-8, Ductile Iron, 4.060 Bore, 1/16" x 1/16" x 3/16", File Fit
      $181.46
      Manley
      Add to Wish List

      Piston Rings, Ductile Iron, Plasma Moly, 4.060 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

      Learn More
      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 526)

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    Shopping Options
    Part Types
    1. Piston Ring 525 items
    Brands
    1. CP 18 items
    2. Diamond 390 items
    3. Hastings 101 items
    4. JE 136 items
    5. Mahle 230 items
    6. Mahle Original (Perfect Circle) 28 items
    7. Manley 114 items
    8. Total Seal 1051 items
    9. Wiseco 4 items
    Sold As
    1. Single 409 items
    2. Set 115 items
    3. Kit 2 items
    Bore Size
    1. 2.854 1 item
    2. 2.894 2 items
    3. 3.110 1 item
    4. 3.208 1 item
    5. 3.228" 2 items
    6. 3.248 1 item
    7. 3.268 1 item
    8. 3.307 3 items
    9. 3.327 4 items
    10. 3.346 2 items
    11. 3.347 1 item
    12. 3.366 1 item
    13. 3.385 4 items
    14. 3.386 3 items
    15. 3.395 1 item
    16. 3.405 4 items
    17. 3.406 1 item
    18. 3.425 3 items
    19. 3.426 1 item
    20. 3.445 4 items
    21. 3.448 1 item
    22. 3.465 3 items
    23. 3.484 1 item
    24. 3.505 1 item
    25. 3.552 4 items
    26. 3.562 2 items
    27. 3.572 4 items
    28. 3.582 3 items
    29. 3.622 1 item
    30. 3.630 2 items
    31. 3.632(92.25mm) 1 item
    32. 3.635 1 item
    33. 3.640 1 item
    34. 3.642 2 items
    35. 3.642(92.50mm) 2 items
    36. 3.650 2 items
    37. 3.652 1 item
    38. 3.652(92.75mm) 2 items
    39. 3.660 1 item
    40. 3.662 4 items
    41. 3.662(93mm) 2 items
    42. 3.667 1 item
    43. 3.670 1 item
    44. 3.672 1 item
    45. 3.681 3 items
    46. 3.700 5 items
    47. 3.740 1 item
    48. 3.760 1 item
    49. 3.770 2 items
    50. 3.776 1 item
    51. 3.780 7 items
    52. 3.790 2 items
    53. 3.796 1 item
    54. 3.799 2 items
    55. 3.800 7 items
    56. 3.810 1 item
    57. 3.820 2 items
    58. 3.830 2 items
    59. 3.840 1 item
    60. 3.858 1 item
    61. 3.878 1 item
    62. 3.898 1 item
    63. 3.905 7 items
    64. 3.917 5 items
    65. 3.922 2 items
    66. 3.927 3 items
    67. 3.937 7 items
    68. 3.940 1 item
    69. 3.947 1 item
    70. 3.957 1 item
    71. 4.000 3 items
    72. 4.001 2 items
    73. 4.005 3 items
    74. 4.010 5 items
    75. 4.020 6 items
    76. 4.030 22 items
    77. 4.035 5 items
    78. 4.040 19 items
    79. 4.050 1 item
    80. 4.060 23 items
    81. 4.065 7 items
    82. 4.070 10 items
    83. 4.075 1 item
    84. 4.080 9 items
    85. 4.090 6 items
    86. 4.095 2 items
    87. 4.100 5 items
    88. 4.110 1 item
    89. 4.120 1 item
    90. 4.125 20 items
    91. 4.130 13 items
    92. 4.135 16 items
    93. 4.137 1 item
    94. 4.140 4 items
    95. 4.145 9 items
    96. 4.150 5 items
    97. 4.155 17 items
    98. 4.160 5 items
    99. 4.165 15 items
    100. 4.170 4 items
    101. 4.175 5 items
    102. 4.180 3 items
    103. 4.185 12 items
    104. 4.190 3 items
    105. 4.200 2 items
    106. 4.250 3 items
    107. 4.263 1 item
    108. 4.270 1 item
    109. 4.280 2 items
    110. 4.290 1 item
    111. 4.310 2 items
    112. 4.320 1 item
    113. 4.350 2 items
    114. 4.360 1 item
    115. 4.375 2 items
    116. 4.380 1 item
    117. 4.390 1 item
    118. 4.400 1 item
    119. 4.420 2 items
    120. 4.440 3 items
    121. 4.466 1 item
    122. 4.470 3 items
    123. 4.496 1 item
    124. 4.500 17 items
    125. 4.530 13 items
    126. 4.560 13 items
    127. 4.570 1 item
    128. 4.580 1 item
    129. 4.590 1 item
    130. 4.600 15 items
    131. 4.610 3 items
    132. 4.625 10 items
    133. 4.875 1 item
    134. 87.50mm 1 item
    135. 87.60mm 1 item
    136. 88.00mm 1 item
    137. 94.00mm 1 item
    Oil Ring
    1. 2.0mm 38 items
    2. 2.5mm 9 items
    3. 2.8mm 48 items
    4. 3.0mm 273 items
    5. 3.46mm 1 item
    6. 3/16" 149 items
    7. 4.0mm 8 items
    Price
    Ring Fitment
    1. Drop in Rings 5 items
    2. File Fit 503 items
    3. Pre Fit 18 items
    Ring Series
    1. AP Steel Top 234 items
    2. Ductile Iron 53 items
    3. Fire Power 2 items
    4. GN Steel Top 76 items
    5. HV385 Steel 19 items
    6. Keystone 1 item
    7. M2 Tool Steel 1 item
    8. Plasma-Moly Ductile 130 items
    9. Premium Race Series 1 item
    10. TNT Gapless 2nd 1 item
    11. TNT Gapless Top 8 items
    Second Ring
    1. 0.0354" 12 items
    2. 0.043" 114 items
    3. 1.0mm 20 items
    4. 1.2mm 104 items
    5. 1.5mm 142 items
    6. 1/16" 132 items
    7. 2.0mm 1 item
    8. 3/32" 1 item
    Top Ring
    1. 0.0354" 12 items
    2. 0.043" 132 items
    3. 1.0mm 55 items
    4. 1.2mm 89 items
    5. 1.5mm 122 items
    6. 1/16" 114 items
    7. 2.31mm 1 item
    8. 3/32" 1 item
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