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-09114040 PART NUMBER
09114040 Diamond Pro Select Piston Rings 4.040 Bore 1/16 1/16 3/16$358.99Fits 4.040 Bore Size, 1/16 TNT Top Ring, 1/16 2nd Ring, 3/16 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-09874040 PART NUMBER
09874040 Diamond Pro Select Piston Rings 4.040 Bore 1.0 1.0 3.0mm$222.99Fits 4.040 Bore Size, 1.0mm HV385 Steel Top Ring, 1.0mm Napier 2nd Ring, 3.0mm Low Tension Oil Ring, File Fit, 8 Cylinder Set Learn More -
JE-JG31F8-4040-2 PART NUMBER
JE Premium Race Series Piston Ring Set JG31F8-4040-2$303.99JE Piston Rings, 4.040+2 Bore, File Fit, 1.2, 1.5, 3mm Ring Pak, Low Tension Oil Rings Learn More -
TS-CS9924040 PART NUMBER
CS9924040 Total Seal AP Steel Piston Ring Set, 4.040 Bore$375.68Total Seal, AP Steel, Piston Rings, 4.040+5 Bore, File Fit, .9mm .9mm 2.0mm Ring Pack, 11 LB Low Oil Tension Learn More -
TS-CS9924040GP PART NUMBER
CS9924040GP Total Seal AP Steel Gas Ported Piston Ring Set, 4.040 Bore$543.32Total Seal, AP Steel, Piston Rings, 4.040+5 Bore, File Fit, .9mm .9mm 2.0mm Ring Pack, 11 LB Low Oil Tension, Gas Ported Learn More -
JE-JG7708-4040-5 PART NUMBER
JE Premium Race Series Piston Ring Set JG7708-4040-5$317.99JE Piston Rings, 4.040 Bore, File Fit, .043, .043, 3mm Ring Pack, Low Tension Oil Rings
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TS-CR3690GP-40 PART NUMBER
Total Seal Classic Race Gas Ported Piston Ring Set CR3690GP-40 Bore 4.040$346.63Total Seal, Classic Race Gas Ported, Piston Rings, 4.040 Bore, Pre Fit, 1/16 1/16 3/16 Ring Pak, Std Tension Oil Rings
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TS-CR3690GP-45 PART NUMBER
Total Seal Classic Race Gas Ported Piston Ring Set CR3690GP-45 Bore 4.040$346.63Total Seal, Classic Race Gas Ported, Piston Rings, 4.040 Bore, File Fit, 1/16 1/16 3/16 Ring Pak, Std Tension Oil Rings
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TS-CS2010GP-45 PART NUMBERTotal Seal AP Steel Gas Ported Piston Ring Set Low Tension CS2010GP-45 Bore 4.040$543.32
Total Seal, AP Steel Gas Ported, Piston Rings, 4.040 Bore, File Fit, 1.5 1.5 3.0mm Ring Pak, 11 LB Low Tension Oil Rings
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