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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DRP-09724590-R1 PART NUMBER
09724590-R1 Diamond Black Diamond Piston Rings 4.590 Bore 1/16 1/16 3.0mm$524.99Fits 4.590 Bore Size, 1/16 Plasma Moly Ductile Top Ring, 1/16 Napier 2nd Ring, 3.0mm High Tension Oil Ring, File Fit, 8 Cylinder Set Learn More -
DRP-09724600-R1 PART NUMBER
09724600-R1 Diamond Black Diamond Piston Rings 4.600 Bore 1/16 1/16 3.0mm$329.99Fits 4.600 Bore Size, 1/16 Plasma Moly Ductile Top Ring, 1/16 Napier 2nd Ring, 3.0mm High Tension Oil Ring, File Fit, 8 Cylinder Set Learn More -
DRP-09844155 PART NUMBER
09844155 Diamond Pro Select Piston Rings 4.155 Bore .043 .043 3.0mm$48.99Fits 4.155 Bore Size, 0.043 AP Steel Top Ring, 0.043 Napier 2nd Ring, 3.0mm Standard Tension Oil Ring, File Fit, 1 Cylinder Learn More -
DRP-09844250 PART NUMBER
09844250 Diamond Pro Select Piston Rings 4.250 Bore .043 .043 3.0mm$48.99Fits 4.250 Bore Size, 0.043 AP Steel Top Ring, 0.043 Napier 2nd Ring, 3.0mm Standard Tension Oil Ring, File Fit, 1 Cylinder Learn More -
DRP-09844350 PART NUMBER
09844350 Diamond Pro Select Piston Rings 4.350 Bore .043 .043 3.0mm$48.99Fits 4.350 Bore Size, 0.043 AP Steel Top Ring, 0.043 Napier 2nd Ring, 3.0mm Standard Tension Oil Ring, File Fit, 1 Cylinder Learn More -
DRP-09874030 PART NUMBER
09874030 Diamond Pro Select Piston Rings 4.030 Bore 1.0 1.0 3.0mm$222.99Fits 4.030 Bore Size, 1.0mm HV385 Steel Top Ring, 1.0mm Napier 2nd Ring, 3.0mm Low Tension Oil Ring, File Fit, 8 Cylinder Set Learn More -
DRP-09874040 PART NUMBER
09874040 Diamond Pro Select Piston Rings 4.040 Bore 1.0 1.0 3.0mm$222.99Fits 4.040 Bore Size, 1.0mm HV385 Steel Top Ring, 1.0mm Napier 2nd Ring, 3.0mm Low Tension Oil Ring, File Fit, 8 Cylinder Set Learn More -
DRP-09874060 PART NUMBER
09874060 Diamond Pro Select Piston Rings 4.060 Bore 1.0 1.0 3.0mm$222.99Fits 4.060 Bore Size, 1.0mm HV385 Steel Top Ring, 1.0mm Napier 2nd Ring, 3.0mm Low Tension Oil Ring, File Fit, 8 Cylinder Set Learn More -
DRP-09874125 PART NUMBER
09874125 Diamond Pro Select Piston Rings 4.125 Bore 1.0 1.0 3.0mm$222.99Fits 4.125 Bore Size, 1.0mm HV385 Steel Top Ring, 1.0mm Napier 2nd Ring, 3.0mm Low Tension Oil Ring, File Fit, 8 Cylinder Set Learn More -
DRP-09874155 PART NUMBER
09874155 Diamond Pro Select Piston Rings 4.155 Bore 1.0 1.0 3.0mm$222.99Fits 4.155 Bore Size, 1.0mm HV385 Steel Top Ring, 1.0mm Napier 2nd Ring, 3.0mm Low Tension Oil Ring, File Fit, 8 Cylinder Set Learn More