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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. MAH-3910MS-15 PART NUMBER
      Mahle Performance Piston Ring Set 3910MS-15
      Mahle Performance Piston Ring Set 3910MS-15
      $158.86
      Mahle
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      3.905+5 Bore, File Fit, 1.5 1.5 3mm Ring Pak, Std Tension Oil Rings Learn More
    2. TS-CR1005-35 PART NUMBER
      CR1005-35
      Total Seal Classic Race Piston Ring Set CR1005-35
      $180.12
      Total Seal
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      Total Seal, Classic Race, Piston Rings, 3.905+5 Bore, File Fit, 1/16 1/16 3/16 Ring Pak, Std Tension Oil Rings Learn More
    3. TS-CR1005-30 PART NUMBER
      CR1005-30
      Total Seal Classic Race Piston Ring Set CR1005-30
      $180.12
      Total Seal
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      Total Seal, Classic Race, Piston Rings, 3.905 Bore, Pre Fit, 1/16 1/16 3/16 Ring Pak, Std Tension Oil Rings Learn More
    4. MAN-46107-8 PART NUMBER
      Manley Piston Ring Set 46107-8, Ductile Iron, 3.905 Bore, 1.5 x 1.5 x 3.0mm, File Fit
      Manley Piston Ring Set 46107-8, Ductile Iron, 3.905 Bore, 1.5 x 1.5 x 3.0mm, File Fit
      $247.46
      Manley
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      Piston Rings, Ductile Iron, Plasma Moly, 3.905 Bore Size, File to Fit/Drop IN, 1.5 x 1.5 x 3.0mm, 9-13 lbs oil ring tension, 8 Cylinder Kit, Ships from Manley

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      DROP SHIP
      This product is a non-stocking item for CNC-Motorsports and will be shipped directly from the manufacturer / supplier.
    5. MAN-46107ST-8 PART NUMBER
      Manley Piston Ring Set 46107ST-8, AP Steel, 3.905 Bore, 1.5mm x 1.5mm x 3.0mm, File Fit
      Manley Piston Ring Set 46107ST-8, AP Steel, 3.905 Bore, 1.5mm x 1.5mm x 3.0mm, File Fit
      $403.55
      Manley
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      Piston Rings, Steel Top, Napier 2nd, 3.905 Bore Size, File to Fit, 1.5 x 1.5 x 3.0mm, 9-13 lbs oil ring tension, 8 Cylinder Kit, Ships from Manley

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      DROP SHIP
      This product is a non-stocking item for CNC-Motorsports and will be shipped directly from the manufacturer / supplier.
    6. DRP-09063905 PART NUMBER
      Diamond Piston Ring
      09063905 Diamond Pro Select Piston Rings 3.905 Bore, 1.5mm 1.5mm 3.0mm
      $233.99
      Diamond
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      3.905 Bore Size, 1.5mm Plasma Moly Top Ring, 1.5mm Taper Face 2nd Ring, 3.0mm Standard Tension Oil Ring, File Fit, 8 Cylinder Set Learn More
    7. DRP-09453905 PART NUMBER
      Diamond Piston Ring
      09453905 Diamond Pro Select Piston Rings 3.905 Bore, 1.2mm 1.5mm 3.0mm
      $329.99
      Diamond
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      3.905 Bore Size, 1.2mm Stainless Steel W/ C-23 PVD Face Coating Top Ring, 1.5mm Napier Face 2nd Ring, 3.0mm Standard Tension Oil Ring, File Fit, 8 Cylinder Set Learn More
    8. JE-JG6008-3905 PART NUMBER
      piston ring
      JE Premium Race Series Piston Ring Set JG6008-3905
      $131.99
      JE
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      JE Piston Rings, 3.905 Bore, Fits .1.5, .1.5, 3.0mm Ring Pak, Low Tension Oil Rings. Full Set of Rings Learn More
    9. MAH-3910MS-112 PART NUMBER
      Mahle Performance Piston Ring Set 3910MS-112
      Mahle Performance Piston Ring Set 3910MS-112
      $183.28
      Mahle
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      3.905+5 Bore, File Fit, 1.0 1.0 2.0mm Ring Pak, Std Tension Oil Rings Learn More
    10. DRP-09053905 PART NUMBER
      09053905 Diamond Pro Select Piston Rings 3.905 Bore, 1.5mm 1.5mm 3.0mm
      09053905 Diamond Pro Select Piston Rings 3.905 Bore, 1.5mm 1.5mm 3.0mm
      $329.99
      Diamond
      Add to Wish List
      3.905 Bore Size, 1.5mm Stainless Steel W/ C-23 PVD Face Coating Top Ring, 1.5mm Taper Face 2nd Ring, 3.0mm Standard Tension Oil Ring, File Fit, 8 Cylinder Set Learn More

    Products (1-10 of 12)

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      3.905
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    Oil Ring
    1. 2.0mm 1 item
    2. 3.0mm 9 items
    3. 3/16" 2 items
    Ring Fitment
    1. File Fit 9 items
    2. Pre Fit 3 items
    Ring Series
    1. AP Steel Top 4 items
    2. Classic Race 2 items
    3. Ductile Iron 3 items
    4. GN Steel Top 1 item
    5. Premium Race Series 1 item
    6. Premium Race Series Low Tension 1 item
    Second Ring
    1. 1.0mm 1 item
    2. 1.5mm 9 items
    3. 1/16" 2 items
    Top Ring
    1. 1.0mm 1 item
    2. 1.2mm 2 items
    3. 1.5mm 7 items
    4. 1/16" 2 items
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