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-09453937 PART NUMBER
09453937 Diamond Pro Select Piston Rings 3.937 Bore 1.2 1.2 3.0mm$159.99Fits 3.937 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-09454005 PART NUMBER
09454005 Diamond Pro Select Piston Rings 4.005 Bore 1.2 1.2 3.0mm$159.99Fits 4.005 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-09454010 PART NUMBER
09454010 Diamond Pro Select Piston Rings 4.010 Bore 1.2 1.2 3.0mm$159.99Fits 4.010 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-09454040 PART NUMBER
09454040 Diamond Pro Select Piston Rings 4.040 Bore 1.2 1.2 3.0mm$159.99Fits 4.040 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-09454080 PART NUMBER
09454080 Diamond Pro Select Piston Rings 4.080 Bore 1.2 1.2 3.0mm$159.99Fits 4.080 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-09454135 PART NUMBER
09454135 Diamond Pro Select Piston Rings 4.135 Bore 1.2 1.2 3.0mm$159.99Fits 4.135 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-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-09454155 PART NUMBER
09454155 Diamond Pro Select Piston Rings 4.155 Bore 1.2 1.2 3.0mm$159.99Fits 4.155 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-09454165 PART NUMBER
09454165 Diamond Pro Select Piston Rings 4.165 Bore 1.2 1.2 3.0mm$159.99Fits 4.165 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-09454185 PART NUMBER
09454185 Diamond Pro Select Piston Rings 4.185 Bore 1.2 1.2 3.0mm$159.99Fits 4.185 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