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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MO-315-0059.045 PART NUMBER
Mahle Original 315-0059.045 Plasma-Moly Ring Set$201.95
4.045+5 Bore, File Fit, .043 .043 3.0mm Ring Pak, Plasma-Moly Ductile Iron Ultra Low Tension Reduced Radial Wall Learn More -
MO-315-0164.005 PART NUMBER
Mahle Original 315-0164.005 Plasma-Moly Ring Set$185.95
4.125+5 Bore, File Fit, .043 .043 3.0mm Ring Pak, Plasma-Moly Ductile Iron Ultra Low Tension Reduced Radial Wall Learn More
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HAS-SM5587-035 PART NUMBER
Hastings Tough Guy Steel Moly Piston Rings SM5587-035$171.95
Hastings, Piston Rings, 4.030+5 Bore, File Fit, .043 .043 3mm Ring Pak, Standard Tension Oil Rings Learn More -
HAS-SM5587-045 PART NUMBER
Hastings Tough Guy Steel Moly Piston Rings SM5587-045$171.95
Hastings, Piston Rings, 4.040+5 Bore, File Fit, .043 .043 3mm Ring Pak, Standard Tension Oil Rings Learn More
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HAS-SM5593-035 PART NUMBER
Hastings Tough Guy Steel Moly Piston Rings SM5593-035$171.95
Hastings, Piston Rings, 4.155+5 Bore, File Fit, .043 .043 3mm Ring Pak, Standard Tension Oil Rings
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DRP-09084020 PART NUMBER
09084020 Diamond Pro Select Piston Rings 4.020 Bore, .043 .043 3.0mm$277.99
4.020 Bore Size, .043 Plasma Moly Top Ring, .043 Taper Face 2nd Ring, 3.0mm Low Tension Oil Ring, File Fit, 8 Cylinder Set Learn More -
DRP-09084030 PART NUMBER
09084030 Diamond Pro Select Piston Rings 4.030 Bore, .043 .043 3.0mm$277.99
4.030 Bore Size, .043 Plasma Moly Top Ring, .043 Taper Face 2nd Ring, 3.0mm Low Tension Oil Ring, File Fit, 8 Cylinder Set Learn More -
DRP-09084040 PART NUMBER
09084040 Diamond Pro Select Piston Rings 4.040 Bore, .043 .043 3.0mm$277.99
4.040 Bore Size, .043 Plasma Moly Top Ring, .043 Taper Face 2nd Ring, 3.0mm Low Tension Oil Ring, File Fit, 8 Cylinder Set Learn More -
DRP-09084060 PART NUMBER
09084060 Diamond Pro Select Piston Rings 4.060 Bore, .043 .043 3.0mm$277.99
4.060 Bore Size, .043 Plasma Moly Top Ring, .043 Taper Face 2nd Ring, 3.0mm Low Tension Oil Ring, File Fit, 8 Cylinder Set Learn More -
DRP-09084130 PART NUMBER
09084130 Diamond Pro Select Piston Rings 4.130 Bore, .043 .043 3.0mm$277.99
4.130 Bore Size, .043 Plasma Moly Top Ring, .043 Taper Face 2nd Ring, 3.0mm Low Tension Oil Ring, File Fit, 8 Cylinder Set Learn More