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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HAS-2M661-40 PART NUMBER
2M661-40 4.165 Prefit - Hasting Original Moly Ring Set - 5/64, 5/64, 3/16$66.95Hastings, Piston Rings, 4.165 Bore, Pre Fit, 5/64 5/64 3/16 Ring Pak, Standard Oil Ring Tension Learn More -
HAS-2M5529-040 PART NUMBER
Hastings Tough Guy Premium Ductile Piston Rings 2M5529-040$146.95Hastings, Piston Rings, 4.165 Bore, Pre Fit 1/16 1/16 3/16 Ring Pak, Std Tension Oil Rings Learn More -
HAS-2M5529-045 PART NUMBER
Hastings Tough Guy Premium Ductile Piston Rings 2M5529-045$146.95Hastings, Piston Rings, 4.165+5 Bore, File Fit 1/16 1/16 3/16 Ring Pak, Std Tension Oil Rings Learn More -
HAS-2M5510-040 PART NUMBER
Hastings Tough Guy Premium Ductile Piston Rings 2M5510-040$158.95Hastings, Piston Rings, 4.165 Bore, Pre Fit 1/16 1/16 3/16 Ring Pak, Low Tension Oil Rings Learn More -
HAS-2M5510-045 PART NUMBER
Hastings Tough Guy Premium Ductile Piston Rings 2M5510-045$158.95Hastings, Piston Rings, 4.165+5 Bore, File Fit 1/16 1/16 3/16 Ring Pak, Low Tension Oil Rings Learn More -
DRP-09024165 PART NUMBER
09024165 Diamond Pro Select Piston Ring Set 4.165 Bore, 1/16 1/16 3/16$156.994.165 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-09064165 PART NUMBER
09064165 Diamond Pro Select Piston Rings 4.165 Bore, 1.5mm 1.5mm 3.0mm$233.994.165 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-09194165 PART NUMBER
09194165 Diamond Pro Select Piston Rings 4.165 Bore, 1/16 1/16 3/16$323.254.165 Bore Size, 1/16 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-09204165-R1 PART NUMBER
09204165-R1 Diamond Pro Select Piston Rings 4.165 Bore, .043 .043 3.0mm$329.994.165 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-09224165 PART NUMBER
09224165 Diamond Pro Select Piston Rings 4.165 Bore, .043 .043 3.0mm$317.994.165 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