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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. HAS-2M139-40 PART NUMBER
    2. TS-MT3690-45 PART NUMBER
    3. TS-TT3690-45 PART NUMBER
    4. MAH-4045MS-15 PART NUMBER
    5. MAH-4040MS PART NUMBER
    6. MAH-4045MS PART NUMBER
    7. MAH-4045ML PART NUMBER
    8. MAH-4045ML-043 PART NUMBER
    9. TS-CRL3690-45 PART NUMBER
    10. TS-CRG0010-45 PART NUMBER

    Products (1-10 of 112)

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    1. Bore Size
      4.040
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    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. 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
    50. 3.670 1 item
    51. 3.672 1 item
    52. 3.681 3 items
    53. 3.700 6 items
    54. 3.740 1 item
    55. 3.760 1 item
    56. 3.766 9 items
    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
    83. 3.922 2 items
    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
    104. 4.050 10 items
    105. 4.055 3 items
    106. 4.060 110 items
    107. 4.065 13 items
    108. 4.070 29 items
    109. 4.075 5 items
    110. 4.080 41 items
    111. 4.085 1 item
    112. 4.090 16 items
    113. 4.095 3 items
    114. 4.100 15 items
    115. 4.110 2 items
    116. 4.115 1 item
    117. 4.120 4 items
    118. 4.125 95 items
    119. 4.130 32 items
    120. 4.135 55 items
    121. 4.137 1 item
    122. 4.140 9 items
    123. 4.145 46 items
    124. 4.150 11 items
    125. 4.155 117 items
    126. 4.160 14 items
    127. 4.165 84 items
    128. 4.170 6 items
    129. 4.175 9 items
    130. 4.180 5 items
    131. 4.185 70 items
    132. 4.190 6 items
    133. 4.195 2 items
    134. 4.200 2 items
    135. 4.205 3 items
    136. 4.210 1 item
    137. 4.245 1 item
    138. 4.250 26 items
    139. 4.255 1 item
    140. 4.260 1 item
    141. 4.263 1 item
    142. 4.265 1 item
    143. 4.270 5 items
    144. 4.280 37 items
    145. 4.290 10 items
    146. 4.295 1 item
    147. 4.310 42 items
    148. 4.320 14 items
    149. 4.330 1 item
    150. 4.350 25 items
    151. 4.360 9 items
    152. 4.370 1 item
    153. 4.375 12 items
    154. 4.380 19 items
    155. 4.390 11 items
    156. 4.400 8 items
    157. 4.420 8 items
    158. 4.440 22 items
    159. 4.466 1 item
    160. 4.470 11 items
    161. 4.475 1 item
    162. 4.496 1 item
    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" 4 items
    2. 2.0mm 4 items
    3. 3.0mm 44 items
    4. 3/16" 60 items
    Price
    Ring Fitment
    1. File Fit 86 items
    2. Pre Fit 26 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. .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. .9mm 2 items
    2. 0.043" 20 items
    3. 1.0mm 3 items
    4. 1.2mm 6 items
    5. 1.5mm 19 items
    6. 1/16" 48 items
    7. 5/64" 14 items
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