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-09224170 PART NUMBER
09224170 Diamond Pro Select Piston Rings 4.170 Bore .043 .043 3.0mm$317.99Fits 4.170 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-09244440 PART NUMBER
09244440 Diamond Pro Select Piston Rings 4.440 Bore .043 .043 3/16$329.99Fits 4.440 Bore Size, .043 AP Steel Top Ring, .043 Napier Face 2nd Ring, 3/16 Standard Tension Oil Ring, File Fit, 8 Cylinder Set Learn More -
DRP-09403552 PART NUMBER
09403552 Diamond Pro Select Piston Rings 3.552 Bore 1.2 1.5 3.0mm$159.99Fits 3.552 Bore Size, 1.2mm Gas Nitrided Steel Top Ring, 1.5mm Taper Face Reverse Back Twist 2nd Ring, 3.0mm Standard Tension Oil Ring, File Fit, 8 Cylinder Set Learn More -
DRP-09403562 PART NUMBER
09403562 Diamond Pro Select Piston Rings 3.562 Bore 1.2 1.5 3.0mm$159.99Fits 3.562 Bore Size, 1.2mm Gas Nitrided Steel Top Ring, 1.5mm Taper Face Reverse Back Twist 2nd Ring, 3.0mm Standard Tension Oil Ring, File Fit, 8 Cylinder Set Learn More -
DRP-09403572 PART NUMBER
09403572 Diamond Pro Select Piston Rings 3.572 Bore 1.2 1.5 3.0mm$159.99Fits 3.572 Bore Size, 1.2mm Gas Nitrided Steel Top Ring, 1.5mm Taper Face Reverse Back Twist 2nd Ring, 3.0mm Standard Tension Oil Ring, File Fit, 8 Cylinder Set Learn More -
DRP-09453927 PART NUMBER
09453927 Diamond Pro Select Piston Rings 3.927 Bore 1.2 1.2 3.0mm$159.99Fits 3.927 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-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