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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-T0190-60 PART NUMBER
      T0190-60
      Total Seal TS1 Gapless 2nd Piston Ring Set T0190-60
      $386.92
      Total Seal
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      Total Seal, TS1, Gapless 2nd Rings, 4.185 Bore, Pre Fit, 5/64 5/64 3/16 Ring Pak, Std Tension Oil Rings Learn More
    2. TS-CR0190-60 PART NUMBER
      CR0190-60
      Total Seal Classic Race Piston Ring Set CR0190-60 4.185 Pre Fit
      $181.37
      Total Seal
      Add to Wish List
      Total Seal, Classic Race, Piston Rings, 4.185 Bore, Pre Fit, 5/64 5/64 3/16, Std Tension Oil Rings Learn More
    3. TS-CR0190-65 PART NUMBER
      CR0190-65
      Total Seal Classic Race Piston Ring Set CR0190-65 4.185+5 File Fit
      $181.37
      Total Seal
      Add to Wish List
      Total Seal, Classic Race, Piston Rings, 4.185 Bore, File Fit, 5/64 5/64 3/16, Std Tension Oil Rings Learn More
    4. HAS-2M661-60 PART NUMBER
      2M661-60 4.185 Prefit - Hasting Original Moly Ring Set - 5/64, 5/64, 3/16
      2M661-60 4.185 Prefit - Hasting Original Moly Ring Set - 5/64, 5/64, 3/16
      $66.95
      Hastings
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      Hastings, Piston Rings, 4.185 Bore, Pre Fit, 5/64 5/64 3/16 Ring Pak, Standard Oil Ring Tension Learn More
    5. MAH-4185MS PART NUMBER
      Mahle Performance Piston Ring Set 4185MS
      Mahle Performance Piston Ring Set 4185MS
      $118.05
      Mahle
      Add to Wish List
      4.185 Bore, Drop-in, 1/16, 1/16, 3/16" Ring Pak, Std Tension Oil Rings Learn More
    6. MAH-4190MS PART NUMBER
      Mahle Performance Piston Ring Set 4190MS
      Mahle Performance Piston Ring Set 4190MS
      $118.05
      Mahle
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      4.185+5 Bore, File Fit, 1/16, 1/16, 3/16" Ring Pak, Std Tension Oil Rings Learn More
    7. MAH-4190ML-043 PART NUMBER
      Mahle Performance Piston Ring Set 4190ML-043
      Mahle Performance Piston Ring Set 4190ML-043
      $192.78
      Mahle
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      4.185+5 Bore, File Fit, .043 .043 3mm Ring Pak, Low Tension Oil Rings Learn More
    8. TS-CRG9010-65 PART NUMBER
      CRG9010-65
      Total Seal Classic Race Piston Ring Set CRG9010-65
      $294.63
      Total Seal
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      Total Seal, Classic Race, Piston Rings, 4.185+5 Bore, File Fit, .043 .043 3mm Ring Pak, 11 LB Gold Power Low Tension Oil Rings Learn More
    9. TS-MG9010-65 PART NUMBER
      MG9010-65
      Total Seal Max Seal Gapless Top Piston Ring Set MG9010-65
      $455.47
      Total Seal
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      Total Seal, Gapless Top, Piston Rings, 4.185+5 Bore, File Fit, .043 .043 3.0mm Ring Pak, 11 LB Low Tension Oil Ring Learn More
    10. JE-J820F8-4185-5 PART NUMBER
      JE Hardened Nitrous Series Piston Ring Set J820F8-4185-5
      JE Hardened Nitrous Series Piston Ring Set J820F8-4185-5
      $244.99
      JE
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      JE Piston Rings, Nirous Ring, 4.185+5 Bore, File Fit, 1/16 1/16 3/16 Ring Pak, Standard Tension Oil Rings Learn More

    Products (1-10 of 70)

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      4.185
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    1. Diamond 10 items
    2. Hastings 4 items
    3. JE 4 items
    4. Mahle 5 items
    5. Mahle Original (Perfect Circle) 1 item
    6. Manley 2 items
    7. Total Seal 44 items
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    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
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    11. 3.327 4 items
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    19. 3.406 1 item
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    21. 3.426 1 item
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    24. 3.465 3 items
    25. 3.484 1 item
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    29. 3.562 2 items
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    31. 3.570 1 item
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    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
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    45. 3.652(92.75mm) 2 items
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    48. 3.662(93mm) 2 items
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    59. 3.780 14 items
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    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
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    95. 4.000 64 items
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    165. 4.500 56 items
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    167. 4.560 36 items
    168. 4.562 1 item
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    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 22 items
    3. 3/16" 45 items
    Ring Fitment
    1. File Fit 56 items
    2. Pre Fit 14 items
    Ring Series
    1. AP Steel Gapless 2nd 1 item
    2. AP Steel Gapless Top 4 items
    3. AP Steel Top 6 items
    4. Classic Moly Race Gold Power Low Tension 1 item
    5. Classic Race 4 items
    6. Classic Race Low Tension 4 items
    7. Classic Race Low Tenstion 1 item
    8. Classis AP Steel Top 9 items
    9. Ductile Iron 4 items
    10. Ductile Iron Low Tension 1 item
    11. GN Steel Top 1 item
    12. Hardened Nitrous Series 1 item
    13. HV385 Steel 1 item
    14. Maxseal Gapless Top 4 items
    15. Maxseal Gapless Top Gold Power Low Tension 1 item
    16. Moly Original 1 item
    17. Plasma-Moly Ductile 3 items
    18. Premium Ductile 2 items
    19. Premium Ductile Low Tension 1 item
    20. Premium Race Series 1 item
    21. Premium Race Series Low Tension 1 item
    22. Sportsman Series 1 item
    23. Standard Tension 1 item
    24. TS1 Gapless 2nd 3 items
    25. TS1 Gapless 2nd Low Tension 2 items
    26. Classic Race Gas Ported 5 items
    27. AP Steel Gas Ported 2 items
    28. Max Seal Gapless Top Gas Ported 1 item
    29. Gapless AP Steel Top Gas Ported 2 items
    Second Ring
    1. .9mm 1 item
    2. 0.043" 15 items
    3. 1.0mm 2 items
    4. 1.2mm 1 item
    5. 1.5mm 11 items
    6. 1/16" 33 items
    7. 5/64" 7 items
    Top Ring
    1. .9mm 1 item
    2. 0.043" 19 items
    3. 1.0mm 2 items
    4. 1.2mm 2 items
    5. 1.5mm 9 items
    6. 1/16" 30 items
    7. 5/64" 7 items
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