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-09214625 PART NUMBER
09214625 Diamond Pro Select Piston Rings 4.625 Bore .043 .043 3.0mm$329.99
Fits 4.625 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-09224065 PART NUMBER
09224065 Diamond Pro Select Piston Rings 4.065 Bore .043 .043 3.0mm$317.99
Fits 4.065 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-09224150 PART NUMBER
09224150 Diamond Pro Select Piston Rings 4.150 Bore .043 .043 3.0mm$317.99
Fits 4.150 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-09224160 PART NUMBER
09224160 Diamond Pro Select Piston Rings 4.160 Bore .043 .043 3.0mm$317.99
Fits 4.160 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-09224170 PART NUMBER
09224170 Diamond Pro Select Piston Rings 4.170 Bore .043 .043 3.0mm$317.99
Fits 4.170 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-09244440 PART NUMBER
09244440 Diamond Pro Select Piston Rings 4.440 Bore .043 .043 3/16$329.99
Fits 4.440 Bore Size, .043 AP Steel Top Ring, .043 Napier Face 2nd Ring, 3/16 Standard 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$48.99
Fits 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-09844250 PART NUMBER
09844250 Diamond Pro Select Piston Rings 4.250 Bore .043 .043 3.0mm$48.99
Fits 4.250 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-09844350 PART NUMBER
09844350 Diamond Pro Select Piston Rings 4.350 Bore .043 .043 3.0mm$48.99
Fits 4.350 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-09864500 PART NUMBER
09864500 Diamond Pro Select Piston Rings 4.500 Bore .043 .043 3/16$850.99
Fits 4.500 Bore Size, 0.043 M2 Tool Steel Top Ring, 0.043 AP Steel Napier 2nd Ring, 3/16 Standard Tension Oil Ring, File Fit, 8 Cylinder Set Learn More