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-09454080 PART NUMBER
09454080 Diamond Pro Select Piston Rings 4.080 Bore 1.2 1.2 3.0mm$159.99
Fits 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-09454090 PART NUMBER
09454090 Diamond Pro Select Piston Rings 4.090 Bore 1.2 1.2 3.0mm$329.99
Fits 4.090 Bore Size, 1.2mm AP Steel Top Ring, 1.2mm Napier Cut 2nd Ring, 3.0mm Standard Tension Oil Ring, File Fit, 8 Cylinder Set Learn More -
DRP-09454100 PART NUMBER
09454100 Diamond Pro Select Piston Rings 4.100 Bore 1.2 1.2 3.0mm$329.99
Fits 4.100 Bore Size, 1.2mm AP 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$159.99
Fits 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$159.99
Fits 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$159.99
Fits 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$159.99
Fits 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$159.99
Fits 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 -
DRP-09503780 PART NUMBER
09503780 Diamond Pro Select Piston Rings 3.780 Bore 1.2mm 1.5mm 3.0mm$255.99
Fits 3.780 Bore Size, 1.2mm AP Steel Top Ring, 1.5mm Taper Face Reverse Back Twist 2nd Ring, 3.0mm Standard Tension Oil Ring, File Fit, 6 Cylinder Set Learn More -
DRP-09513662 PART NUMBER
09513662 Diamond Pro Select Piston Rings 3.662 Bore 1.2 1.2 2.0mm$169.99
Fits 3.662 Bore Size, 1.2mm AP Steel Top Ring, 1.2mm Napier Cut 2nd Ring, 2.0mm Standard Tension Oil Ring, File Fit, 4 Cylinder Set Learn More