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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MAH-4155MS-15 PART NUMBER
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MAH-4150ML PART NUMBER
Mahle Performance Piston Ring Set 4150ML$118.054.145+5 Bore, File Fit, 1/16, 1/16, 3/16" Ring Pak, Low Tension Oil Rings Learn More -
TS-MS2010-155 PART NUMBERTotal Seal Gapless AP Steel Top Piston Ring Set MS2010-155$530.57Total 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
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MAH-4155MS-112 PART NUMBER
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DRP-09024150 PART NUMBER
09024150 Diamond Pro Select Piston Ring Set 4.150 Bore, 1/16 1/16 3/16$156.994.150 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 -
TS-CR7560-25 PART NUMBER
CR7560-25 Total Seal Classic Race Piston Ring Set, 4.150 Bore$168.22Total Seal, Classic Race, Piston Rings, 4.150 Bore, File Fit, 1/16 1/16 3/16 Ring Pak, Std Tension Oil Rings Learn More -
DRP-09214150 PART NUMBER
09214150 Diamond Pro Select Piston Rings 4.150 Bore .043 .043 3.0mm$329.99Fits 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 -
DRP-09224150 PART NUMBER
09224150 Diamond Pro Select Piston Rings 4.150 Bore .043 .043 3.0mm$317.99Fits 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 -
DRP-09754150 PART NUMBER
09754150 Diamond Pro Select Piston Rings 4.150 Bore .0354 .0354 2.0mm$392.99Fits 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 -
DRP-09854150 PART NUMBER
09854150 Diamond Pro Select Piston Rings 4.150 Bore 1.0 1.0 2.0mm$222.99Fits 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
