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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CP-RS1MGNHD4155-0 PART NUMBER
CP Bullet Nitrided Steel Piston Ring Set 4.155 Bore RS1MGNHD4155-0$26.00CP Bullet Pistons, Piston Rings, 4.155+0 Bore, Pre Fit, 1.5 1.5 3.0mm Ring Pack, 1 Cylinder Learn More -
MAH-4155MS-15D PART NUMBER
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DRP-09454155 PART NUMBER
09454155 Diamond Pro Select Piston Rings 4.155 Bore 1.2 1.2 3.0mm$159.99Fits 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-09754155 PART NUMBER
09754155 Diamond Pro Select Piston Rings 4.155 Bore .0354 .0354 2.0mm$392.99Fits 4.155 Bore Size, 0.0354 AP Steel Top Ring, 0.0354 Napier 2nd Ring, 2.0mm Low Tension Oil Ring, File Fit, 8 Cylinder Set Learn More -
DRP-09844155 PART NUMBER
09844155 Diamond Pro Select Piston Rings 4.155 Bore .043 .043 3.0mm$48.99Fits 4.155 Bore Size, 0.043 AP Steel Top Ring, 0.043 Napier 2nd Ring, 3.0mm Standard Tension Oil Ring, File Fit, 1 Cylinder Learn More -
DRP-09854155 PART NUMBER
09854155 Diamond Pro Select Piston Rings 4.155 Bore 1.0 1.0 2.0mm$222.99Fits 4.155 Bore Size, 1.0mm HV385 Steel Top Ring, 1.0mm Napier 2nd Ring, 2.0mm Standard Tension Oil Ring, File Fit, 8 Cylinder Set Learn More -
DRP-09874155 PART NUMBER
09874155 Diamond Pro Select Piston Rings 4.155 Bore 1.0 1.0 3.0mm$222.99Fits 4.155 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 -
TS-CS1124155 PART NUMBER
CS1124155 Total Seal Classic AP Steel Top Piston Ring Set, 4.155 Bore$375.68Total Seal, AP Steel, Piston Rings, 4.155+5 Bore, File Fit, 1.0mm 1.0mm 2.0mm Ring Pack, 11 LB Low Oil Tension Learn More -
TS-CRG2012GP-35 PART NUMBERTotal Seal Classic Race Gas Ported Piston Ring Set CRG2012GP-35 Bore 4.155$346.63
Total Seal, Classic Race Gas Ported, Piston Rings, 4.155 Bore, File Fit, 1.5 1.5 3.0mm, 11 LB Low Tension Oil Ring
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TS-CS1124155GP PART NUMBER
Total Seal Classic AP Steel Gas Ported Top Piston Ring Set, CS1124155GP 4.155 Bore$543.32Total Seal, AP Steel Gas Ported, Piston Rings, 4.155 Bore, Pre Fit, 1.0mm 1.0mm 2.0mm Ring Pack, 11 LB Low Oil Tension
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