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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 (1-10 of 13)

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    1. MAH-4155MS-15 PART NUMBER
      Mahle Performance Piston Ring Set 4155MS-15
      Mahle Performance Piston Ring Set 4155MS-15
      $158.86
      Mahle
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      4.150+5 Bore, File Fit, 1.5 1.5 3mm Ring Pak, Std Tension Oil Rings Learn More
    2. MAH-4150ML PART NUMBER
      Mahle Performance Piston Ring Set 4150ML
      Mahle Performance Piston Ring Set 4150ML
      $118.05
      Mahle
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      4.145+5 Bore, File Fit, 1/16, 1/16, 3/16" Ring Pak, Low Tension Oil Rings Learn More
    3. TS-MS2010-155 PART NUMBER
      MS2010-155
      Total Seal Gapless AP Steel Top Piston Ring Set MS2010-155
      $530.57
      Total Seal
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      Total Seal, Gapless Top, AP Steel, 4.150+5 Bore, File Fit, 1.5 1.5 3.0 Ring Pak, 11LB Low Tension Oil Rings Learn More
    4. MAH-4155MS-112 PART NUMBER
      Mahle Performance Piston Ring Set 4155MS-112
      Mahle Performance Piston Ring Set 4155MS-112
      $202.98
      Mahle
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      4.150+5 Bore, File Fit, 1.0 1.0 2.0mm Ring Pak, Std Tension Oil Rings Learn More
    5. DRP-09024150 PART NUMBER
      09024150 Diamond Pro Select Piston Ring Set 4.150 Bore, 1/16 1/16 3/16
      09024150 Diamond Pro Select Piston Ring Set 4.150 Bore, 1/16 1/16 3/16
      $156.99
      Diamond
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      4.150 Bore Size, 1/16 Plasma Moly Top Ring, 1/16 Taper Face 2nd Ring, 3/16 Standard Tension Oil Ring, File Fit, 8 Cylinder Set Learn More
    6. TS-CR7560-25 PART NUMBER
      CR7560-5
      CR7560-25 Total Seal Classic Race Piston Ring Set, 4.150 Bore
      $168.22
      Total Seal
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      Total Seal, Classic Race, Piston Rings, 4.150 Bore, File Fit, 1/16 1/16 3/16 Ring Pak, Std Tension Oil Rings Learn More
    7. DRP-09214150 PART NUMBER
      09214150 Diamond Pro Select Piston Rings 4.150 Bore .043 .043 3.0mm
      09214150 Diamond Pro Select Piston Rings 4.150 Bore .043 .043 3.0mm
      $329.99
      Diamond
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      Fits 4.150 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
    8. DRP-09224150 PART NUMBER
      09224150 Diamond Pro Select Piston Rings 4.150 Bore .043 .043 3.0mm
      09224150 Diamond Pro Select Piston Rings 4.150 Bore .043 .043 3.0mm
      $317.99
      Diamond
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      Fits 4.150 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
    9. DRP-09754150 PART NUMBER
      09754150 Diamond Pro Select Piston Rings 4.150 Bore .0354 .0354 2.0mm
      09754150 Diamond Pro Select Piston Rings 4.150 Bore .0354 .0354 2.0mm
      $392.99
      Diamond
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      Fits 4.150 Bore Size, 0.0354 AP Steel Top Ring, 0.0354 Napier 2nd Ring, 2.0mm Low Tension Oil Ring, File Fit, 8 Cylinder Set Learn More
    10. DRP-09854150 PART NUMBER
      09854150 Diamond Pro Select Piston Rings 4.150 Bore 1.0 1.0 2.0mm
      09854150 Diamond Pro Select Piston Rings 4.150 Bore 1.0 1.0 2.0mm
      $222.99
      Diamond
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      Fits 4.150 Bore Size, 1.0mm HV385 Steel Top Ring, 1.0mm Napier 2nd Ring, 2.0mm Standard Tension Oil Ring, File Fit, 8 Cylinder Set Learn More

    Products (1-10 of 13)

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      4.150
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    1. Diamond 5 items
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    Bore Size
    1. 100.00 mm 1 item
    2. 2.854 1 item
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    35. 3.582 8 items
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    95. 4.000 64 items
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    175. 4.615 1 item
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    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
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    196. 88.00mm 2 items
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    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 5 items
    2. 3.0mm 5 items
    3. 3/16" 3 items
    Ring Fitment
    1. File Fit 12 items
    2. Pre Fit 1 item
    Ring Series
    1. AP Steel Gapless Top 1 item
    2. AP Steel Top 2 items
    3. Classic Race 1 item
    4. Classis AP Steel Top 1 item
    5. Ductile Iron 2 items
    6. Ductile Iron Low Tension 1 item
    7. HV385 Steel 1 item
    8. Plasma-Moly Ductile 2 items
    9. TFX 2 items
    Second Ring
    1. .9mm 1 item
    2. 0.0354" 1 item
    3. 0.043" 2 items
    4. 1.0mm 3 items
    5. 1.2mm 1 item
    6. 1.5mm 2 items
    7. 1/16" 3 items
    Top Ring
    1. .9mm 1 item
    2. 0.0354" 1 item
    3. 0.043" 2 items
    4. 1.0mm 3 items
    5. 1.2mm 1 item
    6. 1.5mm 2 items
    7. 1/16" 3 items
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