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-09513937 PART NUMBER
09513937 Diamond Pro Select Piston Rings 3.937 Bore, 1.2mm 1.2mm 2.0mm$169.993.937 Bore Size, 1.2mm Stainless Steel W/ C-23 PVD Face Coating Top Ring, 1.2mm Taper Face Reverse Back Twist 2nd Ring, 2.0mm Standard Tension Oil Ring, File Fit, 4 Cylinder Set Learn More -
DRP-09063937 PART NUMBER
09063937 Diamond Pro Select Piston Rings 3.937 Bore, 1.5mm 1.5mm 3.0mm$233.993.937 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-09503937 PART NUMBER
09503937 Diamond Pro Select Piston Rings 3.937 Bore, 1.2mm 1.5mm 3.0mm$255.993.937 Bore Size, 1.2mm Stainless Steel W/ C-23 PVD Face Coating 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-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