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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-46260-8 PART NUMBER
      Manley Piston Ring Set 46260-8, Ductile Iron, 4.125 Bore, .043" x .043" x 3mm, File Fit
      Manley Piston Ring Set 46260-8, Ductile Iron, 4.125 Bore, .043" x .043" x 3mm, File Fit
      $280.45
      Manley
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      Piston Rings, Ductile Iron, Plasma Moly, 4.125 Bore Size, File Fit, .043" x .043" 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.
    2. MAN-46360ST-8 PART NUMBER
      Manley Piston Ring Set 46360ST-8, AP Steel, 4.125 Bore, 1.5mm x 1.5mm x 3mm, File Fit
      Manley Piston Ring Set 46360ST-8, AP Steel, 4.125 Bore, 1.5mm x 1.5mm x 3mm, File Fit
      $403.55
      Manley
      Add to Wish List

      Piston Rings, Steel Top, Napier 2nd, 4.125 Bore Size, File 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.
    3. MAN-46060ST-8 PART NUMBER
      Manley Piston Ring Set 46060ST-8, AP Steel, 4.125 Bore, 1.2mm x 1.2mm x 3mm, File Fit
      Manley Piston Ring Set 46060ST-8, AP Steel, 4.125 Bore, 1.2mm x 1.2mm x 3mm, File Fit
      $385.12
      Manley
      Add to Wish List

      Piston Rings, Steel Top, Napier 2nd, 4.125 Bore Size, File Fit, 1.2mm x 1.2mm 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.
    4. JE-J82F8-4125-5-OS PART NUMBER
    5. JE-J10F8-4125-5-OS PART NUMBER
    6. TS-CS4702-5-OS PART NUMBER
    7. TS-MS2012-5 PART NUMBER
    8. TS-MG2012-5 PART NUMBER
    9. TS-TS2012-5 PART NUMBER
    10. TS-CS2012-5 PART NUMBER

    Products (51-60 of 95)

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    1. Bore Size
      4.125
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    Brands
    1. CP 1 item
    2. Diamond 13 items
    3. Hastings 4 items
    4. JE 8 items
    5. Mahle 8 items
    6. Mahle Original (Perfect Circle) 1 item
    7. Manley 6 items
    8. Total Seal 54 items
    Bore Size
    1. 100.00 mm 1 item
    2. 2.854 1 item
    3. 2.894 2 items
    4. 3.110 1 item
    5. 3.208 1 item
    6. 3.209 1 item
    7. 3.228" 2 items
    8. 3.248 1 item
    9. 3.268 2 items
    10. 3.307 4 items
    11. 3.327 4 items
    12. 3.346 2 items
    13. 3.347 1 item
    14. 3.366 1 item
    15. 3.385 4 items
    16. 3.386 3 items
    17. 3.395 1 item
    18. 3.405 5 items
    19. 3.406 1 item
    20. 3.425 3 items
    21. 3.426 1 item
    22. 3.445 4 items
    23. 3.448 1 item
    24. 3.465 3 items
    25. 3.484 1 item
    26. 3.505 1 item
    27. 3.551 1 item
    28. 3.552 11 items
    29. 3.562 2 items
    30. 3.563 2 items
    31. 3.570 1 item
    32. 3.571 2 items
    33. 3.572 10 items
    34. 3.581 2 items
    35. 3.582 8 items
    36. 3.622 1 item
    37. 3.630 3 items
    38. 3.632(92.25mm) 1 item
    39. 3.635 1 item
    40. 3.640 2 items
    41. 3.642 2 items
    42. 3.642(92.50mm) 2 items
    43. 3.650 2 items
    44. 3.652 1 item
    45. 3.652(92.75mm) 2 items
    46. 3.660 1 item
    47. 3.662 4 items
    48. 3.662(93mm) 2 items
    49. 3.667 1 item
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    53. 3.700 6 items
    54. 3.740 1 item
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    57. 3.770 6 items
    58. 3.776 8 items
    59. 3.780 13 items
    60. 3.786 2 items
    61. 3.790 3 items
    62. 3.795 2 items
    63. 3.796 8 items
    64. 3.799 2 items
    65. 3.800 14 items
    66. 3.805 4 items
    67. 3.810 12 items
    68. 3.815 3 items
    69. 3.820 15 items
    70. 3.830 8 items
    71. 3.840 11 items
    72. 3.858 1 item
    73. 3.875 1 item
    74. 3.878 1 item
    75. 3.898 10 items
    76. 3.900 1 item
    77. 3.905 12 items
    78. 3.908 4 items
    79. 3.910 1 item
    80. 3.915 1 item
    81. 3.917 6 items
    82. 3.918 3 items
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    84. 3.927 4 items
    85. 3.928 1 item
    86. 3.935 1 item
    87. 3.937 9 items
    88. 3.938 2 items
    89. 3.940 2 items
    90. 3.947 3 items
    91. 3.948 1 item
    92. 3.950 1 item
    93. 3.957 1 item
    94. 4.000 64 items
    95. 4.001 2 items
    96. 4.005 5 items
    97. 4.010 19 items
    98. 4.020 38 items
    99. 4.025 1 item
    100. 4.030 132 items
    101. 4.035 7 items
    102. 4.040 112 items
    103. 4.045 2 items
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    118. 4.125 95 items
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    123. 4.145 46 items
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    125. 4.155 117 items
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    131. 4.185 70 items
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    135. 4.205 3 items
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    139. 4.255 1 item
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    144. 4.280 37 items
    145. 4.290 10 items
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    148. 4.320 14 items
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    158. 4.440 22 items
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    163. 4.500 56 items
    164. 4.530 43 items
    165. 4.560 36 items
    166. 4.562 1 item
    167. 4.570 1 item
    168. 4.580 1 item
    169. 4.590 1 item
    170. 4.600 58 items
    171. 4.605 2 items
    172. 4.610 15 items
    173. 4.615 1 item
    174. 4.620 1 item
    175. 4.625 26 items
    176. 4.630 3 items
    177. 4.875 1 item
    178. 5.000 1 item
    179. 81.00mm 2 items
    180. 81.25mm 1 item
    181. 81.50 mm 2 items
    182. 82.00mm 2 items
    183. 82.50 mm 1 item
    184. 83.00mm 1 item
    185. 83.50mm 1 item
    186. 85.00mm 1 item
    187. 85.50mm 1 item
    188. 86.00mm 1 item
    189. 86.50mm 1 item
    190. 87.00mm 2 items
    191. 87.25mm 1 item
    192. 87.50mm 2 items
    193. 87.60mm 1 item
    194. 88.00mm 2 items
    195. 89.00mm 1 item
    196. 92.00mm 1 item
    197. 92.30mm 1 item
    198. 92.38mm 1 item
    199. 92.50mm 1 item
    200. 92.76mm 1 item
    201. 93.00mm 1 item
    202. 94.00mm 2 items
    203. 95.50mm 1 item
    204. 96.00 mm 1 item
    205. 99.50 mm 1 item
    206. 99.75mm 1 item
    Oil Ring
    1. 1/8" 3 items
    2. 2.0mm 7 items
    3. 3.0mm 40 items
    4. 3/16" 45 items
    Price
    Ring Fitment
    1. File Fit 83 items
    2. Pre Fit 12 items
    Ring Series
    1. AP Steel Gapless 2nd 1 item
    2. AP Steel Gapless Top 5 items
    3. AP Steel Top 12 items
    4. Classic Moly Race Gold Power Low Tension 1 item
    5. Classic Race 4 items
    6. Classic Race Low Tension 2 items
    7. Classis AP Steel Top 8 items
    8. Ductile Iron 9 items
    9. Ductile Iron Low Tension 2 items
    10. Gapless AP Steel Top 2 items
    11. GN Steel Top 2 items
    12. Hardened Nitrous Series 2 items
    13. Hardened Nitrous Series Low Tension 1 item
    14. HV385 Steel 1 item
    15. Maxseal Gapless Top 4 items
    16. Maxseal Gapless Top Gold Power Low Tension 2 items
    17. Plasma-Moly Ductile 4 items
    18. Plasma-Moly Ductile Ultra Low Tension 1 item
    19. Premium Ductile 2 items
    20. Premium Ductile Low Tension 2 items
    21. Premium Race Series 2 items
    22. Premium Race Series Low Tension 2 items
    23. Sportsman Series 1 item
    24. Standard Tension 1 item
    25. TNT Gapless 2nd 2 items
    26. TNT Gapless Top 1 item
    27. TS1 Gapless 2nd 4 items
    28. TS1 Gapless 2nd Low Tension 1 item
    29. Classic Race Gas Ported 7 items
    30. AP Steel Gas Ported 4 items
    31. Gapless AP Steel Top Gas Ported 3 items
    Second Ring
    1. .9mm 3 items
    2. 0.0354" 1 item
    3. 0.043" 17 items
    4. 1.0mm 5 items
    5. 1.2mm 5 items
    6. 1.5mm 22 items
    7. 1/16" 38 items
    8. 5/64" 4 items
    Top Ring
    1. .9mm 3 items
    2. 0.017" 1 item
    3. 0.0354" 1 item
    4. 0.043" 21 items
    5. 1.0mm 5 items
    6. 1.2mm 9 items
    7. 1.5mm 17 items
    8. 1/16" 34 items
    9. 5/64" 4 items
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