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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-M3690GP-45 PART NUMBER
    2. TS-ML3690GP-45 PART NUMBER

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    1. Bore Size
      4.040
    2. Ring Series
      Max Seal Gapless Top Gas Ported
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    Shopping Options
    Bore Size
    1. 4.030 2 items
    2. 4.040 2 items
    3. 4.060 3 items
    4. 4.090 1 item
    5. 4.155 1 item
    6. 4.165 1 item
    7. 4.185 1 item
    8. 4.310 1 item
    9. 4.380 1 item
    10. 4.500 1 item
    11. 4.530 1 item
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    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
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