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-09024145 PART NUMBER
09024145 Diamond Pro Select Piston Ring Set 4.145 Bore, 1/16 1/16 3/16$156.994.145 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-09064145 PART NUMBER
09064145 Diamond Pro Select Piston Rings 4.145 Bore, 1.5mm 1.5mm 3.0mm$233.994.145 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-09104145 PART NUMBER
09104145 Diamond Pro Select Piston Rings 4.145 Bore, 1.2mm 1.5mm 3.0mm$277.994.145 Bore Size, 1.2mm Plasma Moly Top Ring, 1.5mm Napier Face 2nd Ring, 3.0mm Low Tension Oil Ring, File Fit, 8 Cylinder Set Learn More -
DRP-09224145 PART NUMBER
09224145 Diamond Pro Select Piston Rings 4.145 Bore, .043 .043 3.0mm$317.994.145 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-09244145 PART NUMBER
09244145 Diamond Pro Select Piston Rings 4.145 Bore, .043 .043 3/16$329.994.145 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 -
DRP-09214145 PART NUMBER
09214145 Diamond Pro Select Piston Rings 4.145 Bore .043 .043 3.0mm$329.99Fits 4.145 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-09454145 PART NUMBER
09454145 Diamond Pro Select Piston Rings 4.145 Bore 1.2 1.2 3.0mm$159.99Fits 4.145 Bore Size, 1.2mm Gas Nitrided Steel Top Ring, 1.2mm Napier Cut 2nd Ring, 3.0mm Standard Tension Oil Ring, File Fit, 8 Cylinder Set Learn More -
DRP-09754145 PART NUMBER
09754145 Diamond Pro Select Piston Rings 4.145 Bore .0354 .0354 2.0mm$392.99Fits 4.145 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-09854145 PART NUMBER
09854145 Diamond Pro Select Piston Rings 4.145 Bore 1.0 1.0 2.0mm$222.99Fits 4.145 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