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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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    Products (4 results)

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    1. MAH-4145ML-043 PART NUMBER
      Mahle Performance Piston Ring Set 4145ML-043
      Mahle Performance Piston Ring Set 4145ML-043
      $192.78
      Mahle
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      4.140+5 Bore, File Fit, .043 .043 3mm Ring Pak, Low Tension Oil Rings Learn More
    2. DRP-09224140 PART NUMBER
      09224140 Diamond Pro Select Piston Rings 4.140 Bore, .043 .043 3.0mm
      09224140 Diamond Pro Select Piston Rings 4.140 Bore, .043 .043 3.0mm
      $317.99
      Diamond
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      4.140 Bore Size, .043 Plasma Moly Dutile Barrel Face Top Ring, .043 Napier Face 2nd Ring, 3.0mm Standard Tension Oil Ring, File Fit, 8 Cylinder Set Learn More
    3. DRP-09214140 PART NUMBER
      09214140 Diamond Pro Select Piston Rings 4.140 Bore .043 .043 3.0mm
      09214140 Diamond Pro Select Piston Rings 4.140 Bore .043 .043 3.0mm
      $329.99
      Diamond
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      Fits 4.140 Bore Size, .043 AP Stainless Steel Top Ring, .043 Napier Face 2nd Ring, 3.0mm High Tension Oil Ring, File Fit, 8 Cylinder Set Learn More

    Products (4 results)

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    1. Bore Size
      4.140
    2. Second Ring
      0.043"
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    1. Diamond 2 items
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    Bore Size
    1. 3.766 1 item
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    3. 4.000 7 items
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    5. 4.020 7 items
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    44. 4.610 8 items
    45. 4.615 1 item
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    47. 4.625 14 items
    48. 4.630 2 items
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    Second Ring
    1. 0.0354" 1 item
    2. 0.043" 4 items
    3. 1.0mm 3 items
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