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$201.954.045+5 Bore, File Fit, .043 .043 3.0mm Ring Pak, Plasma-Moly Ductile Iron Ultra Low Tension Reduced Radial Wall Learn More -
MO-40564CP.040 PART NUMBER
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DRP-09024040 PART NUMBER
09024040 Diamond Pro Select Piston Ring Set 4.040 Bore, 1/16 1/16 3/16$156.994.040 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 -
DRP-09034040 PART NUMBER
09034040 Diamond Pro Select Piston Ring Set 4.040 Bore, 1/16 1/16 3/16$156.994.040 Bore Size, 1/16 Plasma Moly Top Ring, 1/16 Taper Face 2nd Ring, 3/16 Low Tension Oil Ring, File Fit, 8 Cylinder Set Learn More -
DRP-09064040 PART NUMBER
09064040 Diamond Pro Select Piston Rings 4.040 Bore, 1.5mm 1.5mm 3.0mm$233.994.040 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 -
DRP-09084040 PART NUMBER
09084040 Diamond Pro Select Piston Rings 4.040 Bore, .043 .043 3.0mm$277.994.040 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-09194040 PART NUMBER
09194040 Diamond Pro Select Piston Rings 4.040 Bore, 1/16 1/16 3/16$323.254.040 Bore Size, 1/16 Stainless Steel W/ C-23 PVD Face Coating Top Ring, 1/16 Napier Face 2nd Ring, 3/16 Standard Tension Oil Ring, File Fit, 8 Cylinder Set Learn More -
DRP-09204040-R1 PART NUMBER
09204040-R1 Diamond Pro Select Piston Rings 4.040 Bore, .043 .043 3.0mm$329.994.040 Bore Size, .043 Stainless Steel W/ C-23 PVD Face Coating Top Ring, .043 Napier Face 2nd Ring, 3.0mm Standard Tension Oil Ring, File Fit, 8 Cylinder Set Learn More -
DRP-09234040 PART NUMBER
09234040 Diamond Pro Select Piston Rings 4.040 Bore, .043 1/16 3/16$329.994.040 Bore Size, .043 Stainless Steel W/ C-23 PVD Face Coating Top Ring, 1/16 Napier Face 2nd Ring, 3/16 Standard Tension Oil Ring, File Fit, 8 Cylinder Set Learn More -
DRP-09244040 PART NUMBER
09244040 Diamond Pro Select Piston Rings 4.040 Bore, .043 .043 3/16$329.994.040 Bore Size, .043 Stainless Steel W/ C-23 PVD Face Coating Top Ring, .043 Napier Face 2nd Ring, 3/16 Standard Tension Oil Ring, File Fit, 8 Cylinder Set Learn More
