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-RS1MGNHD4125-0 PART NUMBER
CP Bullet Nitrided Steel Piston Ring Set 4.125 Bore RS1MGNHD4125-0$26.00CP Bullet Pistons, Piston Rings, 4.125+0 Bore, Pre Fit, 1.5 1.5 3.0mm Ring Pack, 1 Cylinder Learn More -
TS-CS1124125 PART NUMBER
CS1124125 Total Seal Classic AP Steel Top Piston Ring Set, 4.125 Bore$375.68Total Seal, AP Steel, Piston Rings, 4.125+5 Bore, File Fit, 1.0mm 1.0mm 2.0mm Ring Pack, 11 LB Low Oil Tension Learn More -
MAH-4125MS-15D PART NUMBER
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MAH-4130MS-1115 PART NUMBER
Mahle Performance Piston Ring Set 4130MS-1115$189.564.125+5 Bore, File Fit, 0.043", 1.5mm, 3.0mm Ring Pak, Standard Tension Oil Rings Learn More -
DRP-09214125 PART NUMBER
09214125 Diamond Pro Select Piston Rings 4.125 Bore .043 .043 3.0mm$329.99Fits 4.125 Bore Size, .043 AP Stainless Steel Top Ring, .043 Napier Face 2nd Ring, 3.0mm High Tension Oil Ring, File Fit, 8 Cylinder Set Learn More -
DRP-09754125 PART NUMBER
09754125 Diamond Pro Select Piston Rings 4.125 Bore .0354 .0354 2.0mm$392.99Fits 4.125 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-09874125 PART NUMBER
09874125 Diamond Pro Select Piston Rings 4.125 Bore 1.0 1.0 3.0mm$222.99Fits 4.125 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-MS9010-5 PART NUMBER
Total Seal Max Seal Gapless Top Piston Rings MS9010-5 4.125 Bore File To Fit$530.57Total Seal, Gapless Top, AP Steel, 4.125+5 Bore, File Fit, .043 .043 3.0mm Ring Pak, 11 LB Low Tension Oil Ring, V8 ring set Learn More -
TS-CRG2012GP-5 PART NUMBERTotal Seal Classic Race Gas Ported Piston Ring Set CRG2012GP-5 Bore 4.125$346.63
Total Seal, Classic Race Gas Ported, Piston Rings, 4.125 Bore, File Fit, 1.5 1.5 3.0mm, 11 LB Low Tension Oil Ring
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TS-CS1124125GP PART NUMBER
Total Seal Classic AP Steel Top Piston Ring Set, CS1124125GP 4.125 Bore$543.32Total Seal, AP Steel Gas Ported, Piston Rings, 4.125 Bore, Pre Fit, 1.0mm 1.0mm 2.0mm Ring Pack, 11 LB Low Oil Tension
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