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-09854185 PART NUMBER
09854185 Diamond Pro Select Piston Rings 4.185 Bore 1.0 1.0 2.0mm$222.99
Fits 4.185 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 -
DRP-09874030 PART NUMBER
09874030 Diamond Pro Select Piston Rings 4.030 Bore 1.0 1.0 3.0mm$222.99
Fits 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$222.99
Fits 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$222.99
Fits 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$222.99
Fits 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$222.99
Fits 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 -
DRP-09874165 PART NUMBER
09874165 Diamond Pro Select Piston Rings 4.165 Bore 1.0 1.0 3.0mm$222.99
Fits 4.165 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 -
TS-CS1124155 PART NUMBER
CS1124155 Total Seal Classic AP Steel Top Piston Ring Set, 4.155 Bore$375.68
Total Seal, AP Steel, Piston Rings, 4.155+5 Bore, File Fit, 1.0mm 1.0mm 2.0mm Ring Pack, 11 LB Low Oil Tension Learn More -
TS-CS1124090 PART NUMBER
CS1124090 Total Seal Classic AP Steel Top Piston Ring Set, 4.090 Bore$375.68
Total Seal, AP Steel, Piston Rings, 4.090+5 Bore, File Fit, 1.0mm 1.0mm 2.0mm Ring Pack, 11 LB Low Oil Tension Learn More -
TS-CS1124050 PART NUMBER
CS1124050 Total Seal Classic AP Steel Top Piston Ring Set, 4.050 Bore$375.68
Total Seal, AP Steel, Piston Rings, 4.050+5 Bore, File Fit, 1.0mm 1.0mm 2.0mm Ring Pack, 11 LB Low Oil Tension Learn More