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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JE-J820F8-4185-5 PART NUMBER
JE Hardened Nitrous Series Piston Ring Set J820F8-4185-5$244.99JE Piston Rings, Nirous Ring, 4.185+5 Bore, File Fit, 1/16 1/16 3/16 Ring Pak, Standard Tension Oil Rings Learn More -
JE-J100F8-4185-5 PART NUMBER
JE Premium Race Series Piston Ring Set J100F8-4185-5$238.99JE Piston Rings, 4.185+5 Bore, File Fit, 1/16 1/16 3/16 Ring Pak, Standard Tension Oil Rings Learn More -
JE-S100S8-4185-5 PART NUMBER
JE Sportsman Piston Ring Set S1000S8-4185-5$132.99JE Piston Rings, 4.185+5 Bore, File Fit, 1/16 1/16 3/16 Ring Pak, Standard Tension Oil Rings Learn More -
JE-JG3108-4185-3 PART NUMBER
JE Premium Race Series Piston Ring Set JG3108-4185-3$303.99JE Piston Rings, 4.185+3 Bore, File Fit, 1.2, 1.5, 3mm Ring Pak, Low Tension Oil Rings Learn More -
DRP-09084185 PART NUMBER
09084185 Diamond Pro Select Piston Rings 4.185 Bore, .043 .043 3.0mm$277.994.185 Bore Size, .043 Plasma Moly Top Ring, .043 Taper Face 2nd Ring, 3.0mm Low Tension Oil Ring, File Fit, 8 Cylinder Set Learn More -
DRP-09204185-R1 PART NUMBER
09204185-R1 Diamond Pro Select Piston Rings 4.185 Bore, .043 .043 3.0mm$329.994.185 Bore Size, .043 Stainless Steel W/ C-23 PVD Face Coating Top Ring, .043 Napier Face 2nd Ring, 3.0mm Standard Tension Oil Ring, File Fit, 8 Cylinder Set Learn More -
DRP-09224185 PART NUMBER
09224185 Diamond Pro Select Piston Rings 4.185 Bore, .043 .043 3.0mm$317.994.185 Bore Size, .043 Plasma Moly Dutile Barrel Face Top Ring, .043 Napier Face 2nd Ring, 3.0mm Standard Tension Oil Ring, File Fit, 8 Cylinder Set Learn More -
DRP-09234185 PART NUMBER
09234185 Diamond Pro Select Piston Rings 4.185 Bore, .043 1/16 3/16$329.994.185 Bore Size, .043 Stainless Steel W/ C-23 PVD Face Coating Top Ring, 1/16 Napier Face 2nd Ring, 3/16 Standard Tension Oil Ring, File Fit, 8 Cylinder Set Learn More -
DRP-09244185 PART NUMBER
09244185 Diamond Pro Select Piston Rings 4.185 Bore, .043 .043 3/16$329.994.185 Bore Size, .043 Stainless Steel W/ C-23 PVD Face Coating Top Ring, .043 Napier Face 2nd Ring, 3/16 Standard Tension Oil Ring, File Fit, 8 Cylinder Set Learn More -
DRP-09054185 PART NUMBER
09054185 Diamond Pro Select Piston Rings 4.185 Bore, 1.5mm 1.5mm 3.0mm$329.994.185 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