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-09024155 PART NUMBER
09024155 Diamond Pro Select Piston Ring Set 4.155 Bore, 1/16 1/16 3/16$156.994.155 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-09064155 PART NUMBER
09064155 Diamond Pro Select Piston Rings 4.155 Bore, 1.5mm 1.5mm 3.0mm$233.994.155 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-09084155 PART NUMBER
09084155 Diamond Pro Select Piston Rings 4.155 Bore, .043 .043 3.0mm$277.994.155 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-09194155 PART NUMBER
09194155 Diamond Pro Select Piston Rings 4.155 Bore, 1/16 1/16 3/16$323.254.155 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-09204155-R1 PART NUMBER
09204155-R1 Diamond Pro Select Piston Rings 4.155 Bore, .043 .043 3.0mm$329.994.155 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-09214155 PART NUMBER
09214155 Diamond Pro Select Piston Rings 4.155 Bore, 1.0mm 1.0mm 2.0mm$329.994.155 Bore Size, 1.0mm Plasma Moly Dutile Barrel Face Top Ring, 1.0mm Napier Face 2nd Ring, 2.0mm Low Tension Oil Ring, File Fit, 8 Cylinder Set Learn More -
DRP-09224155 PART NUMBER
09224155 Diamond Pro Select Piston Rings 4.155 Bore, .043 .043 3.0mm$317.994.155 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-09234155 PART NUMBER
09234155 Diamond Pro Select Piston Rings 4.155 Bore, .043 1/16 3/16$329.994.155 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-09244155 PART NUMBER
09244155 Diamond Pro Select Piston Rings 4.155 Bore, .043 .043 3/16$329.994.155 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-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