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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. TS-MS4709-25 PART NUMBER
      Total Seal AP Steel Gapless Top Piston Ring Set MS4709-25
      Total Seal AP Steel Gapless Top Piston Ring Set MS4709-25
      $530.57
      Total Seal
      Add to Wish List
      Total Seal, AP Steel, Gapless Top, 4.145+5 Bore, File Fit, 1.2 1.2 3.0mm Ring Pak, Low Tension Oil Rings Learn More
    2. TS-MS4702-25 PART NUMBER
      Total Seal AP Steel Gapless Top Piston Ring Set MS4702-25
      Total Seal AP Steel Gapless Top Piston Ring Set MS4702-25
      $530.57
      Total Seal
      Add to Wish List
      Total Seal, AP Steel, Gapless Top, 4.145+5 Bore, File Fit, 1.2 1.5 3.0mm Ring Pak, Low Tension Oil Rings Learn More
    3. TS-CR0690GP-20 PART NUMBER
      CR0690-15
      Total Seal Classic Race Gas Ported Piston Ring Set CR0690GP-20 4.145 Bore
      $346.63
      Total Seal
      Add to Wish List

      Total Seal, Classic Race Gas Ported, Piston Rings, 4.145 Bore, Pre Fit, 1/16 1/16 3/16 Ring Pak, Std Tension Oil Rings

      Learn More
    4. TS-CR0690GP-25 PART NUMBER
      CR0690-15
      Total Seal Classic Race Gas Ported Piston Ring Set CR0690GP-25 4.145 Bore
      $346.63
      Total Seal
      Add to Wish List

      Total Seal, Classic Race Gas Ported, Piston Rings, 4.145 Bore, File Fit, 1/16 1/16 3/16 Ring Pak, Std Tension Oil Rings

      Learn More
    5. TS-CRL0690GP-20 PART NUMBER
      CRL0690-10
      Total Seal Classic Race Gas Ported Piston Ring Set CRL0690GP-20 Bore 4.145
      $346.63
      Total Seal
      Add to Wish List

      Total Seal, Classic Race Gas Ported, Piston Rings, 4.145 Bore, Pre Fit, 1/16 1/16 3/16 Ring Pak, 16 LB Low Tension Oil Rings

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    6. TS-CRL0690GP-25 PART NUMBER
      CRL0690-10
      Total Seal Classic Race Gas Ported Piston Ring Set CRL0690GP-25 Bore 4.145
      $346.63
      Total Seal
      Add to Wish List

      Total Seal, Classic Race Gas Ported, Piston Rings, 4.145 Bore, File Fit, 1/16 1/16 3/16 Ring Pak, 16 LB Low Tension Oil Rings

      Learn More
    7. TS-CS9010GP-25 PART NUMBER
      CS9010-15
      Total Seal Classic AP Steel Gas Ported Top Piston Ring Set CS9010GP-25 Bore 4.145
      $543.32
      Total Seal
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      Total Seal, AP Steel Gas Ported, Piston Rings, 4.145 Bore, File Fit, ..043 .043 3.0mm Ring Pak, 11 LB Low Oil Tension

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    8. TS-MS2012-25 PART NUMBER
      MS2012-25
      Total Seal Gapless AP Steel Top Piston Ring Set MS2012-25
      $530.57
      Total Seal
      Add to Wish List
      Total Seal, Gapless Top, AP Steel, 4.145+5 Bore, File Fit, 1.5 1.5 3.0mm Ring Pak, 11 LB Low Tension Oil Rings Learn More
    9. TS-MG2012-25 PART NUMBER
      MG2012-25
      Total Seal Maxseal Gapless Top Piston Ring Set MG2012-25
      $455.47
      Total Seal
      Add to Wish List
      Total Seal, Gapless Top, Piston Rings, 4.145+5 Bore, File Fit, 1.5 1.5 3.0mm Ring Pak, 11 LB Low Tension Oil Rings Learn More
    10. TS-TG2012-25 PART NUMBER
      TG2012-25
      Total Seal TS1 Gapless 2nd Piston Ring Set TG2012-25
      $498.96
      Total Seal
      Add to Wish List
      Total Seal, TS1, Gapless 2nd Rings, 4.145+5 Bore, File Fit, 1.5 1.5 3.0mm Ring Pak, 11 LB Low Tension Oil Rings Learn More

    Products (21-30 of 46)

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    1. Bore Size
      4.145
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    Brands
    1. Diamond 9 items
    2. Hastings 2 items
    3. JE 3 items
    4. Mahle 4 items
    5. Mahle Original (Perfect Circle) 1 item
    6. Total Seal 27 items
    Price
    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
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    14. 3.366 1 item
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    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
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    50. 3.670 1 item
    51. 3.672 1 item
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    53. 3.700 6 items
    54. 3.740 1 item
    55. 3.760 1 item
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    59. 3.780 14 items
    60. 3.785 2 items
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    62. 3.790 3 items
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    64. 3.796 8 items
    65. 3.799 2 items
    66. 3.800 16 items
    67. 3.805 6 items
    68. 3.810 12 items
    69. 3.815 3 items
    70. 3.820 15 items
    71. 3.830 8 items
    72. 3.840 11 items
    73. 3.858 1 item
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    77. 3.900 1 item
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    79. 3.908 4 items
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    95. 4.000 64 items
    96. 4.001 2 items
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    98. 4.010 20 items
    99. 4.020 38 items
    100. 4.025 1 item
    101. 4.030 131 items
    102. 4.035 9 items
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    125. 4.145 46 items
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    135. 4.195 2 items
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    140. 4.250 26 items
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    145. 4.270 5 items
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    147. 4.290 10 items
    148. 4.295 1 item
    149. 4.310 42 items
    150. 4.320 14 items
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    152. 4.350 25 items
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    160. 4.440 22 items
    161. 4.466 1 item
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    164. 4.496 1 item
    165. 4.500 56 items
    166. 4.530 43 items
    167. 4.560 36 items
    168. 4.562 1 item
    169. 4.570 1 item
    170. 4.580 1 item
    171. 4.590 1 item
    172. 4.600 57 items
    173. 4.605 2 items
    174. 4.610 15 items
    175. 4.615 1 item
    176. 4.620 1 item
    177. 4.625 26 items
    178. 4.630 3 items
    179. 4.875 1 item
    180. 5.000 1 item
    181. 81.00mm 2 items
    182. 81.25mm 1 item
    183. 81.50 mm 2 items
    184. 82.00mm 2 items
    185. 82.50 mm 1 item
    186. 83.00mm 1 item
    187. 83.50mm 1 item
    188. 85.00mm 1 item
    189. 85.50mm 1 item
    190. 86.00mm 1 item
    191. 86.50mm 1 item
    192. 87.00mm 2 items
    193. 87.25mm 1 item
    194. 87.50mm 2 items
    195. 87.60mm 1 item
    196. 88.00mm 2 items
    197. 89.00mm 1 item
    198. 92.00mm 1 item
    199. 92.30mm 1 item
    200. 92.38mm 1 item
    201. 92.50mm 1 item
    202. 92.76mm 1 item
    203. 93.00mm 1 item
    204. 94.00mm 2 items
    205. 95.50mm 1 item
    206. 96.00 mm 1 item
    207. 99.50 mm 1 item
    208. 99.75mm 1 item
    Oil Ring
    1. 2.0mm 3 items
    2. 3.0mm 20 items
    3. 3/16" 23 items
    Ring Fitment
    1. File Fit 40 items
    2. Pre Fit 6 items
    Ring Series
    1. AP Steel Gapless Top 2 items
    2. AP Steel Top 5 items
    3. Classic Race 1 item
    4. Classic Race Low Tension 3 items
    5. Classis AP Steel Top 6 items
    6. Ductile Iron 4 items
    7. Gapless AP Steel Top 2 items
    8. GN Steel Top 1 item
    9. HV385 Steel 1 item
    10. Maxseal Gapless Top 2 items
    11. Maxseal Gapless Top Gold Power Low Tension 1 item
    12. Plasma-Moly Ductile 5 items
    13. Premium Ductile 2 items
    14. Premium Race Series 1 item
    15. Premium Race Series Low Tension 1 item
    16. Sportsman Series 1 item
    17. TS1 Gapless 2nd 1 item
    18. Classic Race Gas Ported 5 items
    19. AP Steel Gas Ported 2 items
    Second Ring
    1. 0.0354" 1 item
    2. 0.043" 8 items
    3. 1.0mm 2 items
    4. 1.2mm 3 items
    5. 1.5mm 12 items
    6. 1/16" 20 items
    Top Ring
    1. 0.0354" 1 item
    2. 0.043" 9 items
    3. 1.0mm 2 items
    4. 1.2mm 6 items
    5. 1.5mm 9 items
    6. 1/16" 19 items
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