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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TS-CR7590-40 PART NUMBERTotal Seal Classic Race Piston Ring Set CR7590-40$171.24Total Seal, Classic Race, Piston Rings, 4.080 Bore, Pre Fit, 1/16 1/16 3/16, Std Tension Oil Rings Learn More
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MAH-4085MS-112 PART NUMBER
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DRP-09024080 PART NUMBER
09024080 Diamond Pro Select Piston Ring Set 4.080 Bore, 1/16 1/16 3/16$156.994.080 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-09054080 PART NUMBER
09054080 Diamond Pro Select Piston Rings 4.080 Bore, 1.5mm 1.5mm 3.0mm$329.994.080 Bore Size, 1.5mm Stainless Steel W/ C-23 PVD Face Coating Top Ring, 1.5mm Taper Face 2nd Ring, 3.0mm Standard Tension Oil Ring, File Fit, 8 Cylinder Set Learn More -
DRP-09064080 PART NUMBER
09064080 Diamond Pro Select Piston Rings 4.080 Bore, 1.5mm 1.5mm 3.0mm$233.994.080 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-09194080 PART NUMBER
09194080 Diamond Pro Select Piston Rings 4.080 Bore, 1/16 1/16 3/16$329.994.080 Bore Size, 1/16 Stainless Steel W/ C-23 PVD Face Coating Top Ring, 1/16 Taper Face Reverse Back Twist 2nd Ring, 3/16 Standard Tension Oil Ring, File Fit, 8 Cylinder Set Learn More -
CP-RS1MGNHD4080-0 PART NUMBER
CP Bullet Nitrided Steel Piston Ring Set 4.080 Bore RS1MGNHD4080-0$26.00CP Bullet Pistons, Piston Rings, 4.080+0 Bore, Pre Fit, 1.5 1.5 3.0mm Ring Pack, 1 Cylinder 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 -
TS-CR3690GP-80 PART NUMBER
Total Seal Classic Race Gas Ported Piston Ring Set CR3690GP-80 Bore 4.080$346.63Total Seal, Classic Race Gas Ported, Piston Rings, 4.080 Bore, Pre Fit, 1/16 1/16 3/16 Ring Pak, Std Tension Oil Rings
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TS-CR3690GP-85 PART NUMBER
Total Seal Classic Race Gas Ported Piston Ring Set CR3690GP-85 Bore 4.080$346.63Total Seal, Classic Race Gas Ported, Piston Rings, 4.080 Bore, File Fit, 1/16 1/16 3/16 Ring Pak, Std Tension Oil Rings
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