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-2M139-30 PART NUMBER
2M139-30 4.030 Prefit - Hasting Original Moly Ring Set - 5/64, 5/64, 3/16$49.95Hastings, Piston Rings, 4.030 Bore, Pre Fit, 5/64 5/64 3/16 Ring Pak, Standard Oil Ring Tension Learn More -
HAS-2M139-40 PART NUMBER
2M139-40 4.040 Prefit - Hasting Original Moly Ring Set - 5/64, 5/64, 3/16$49.95Hastings, Piston Rings, 4.040 Bore, Pre Fit, 5/64 5/64 3/16 Ring Pak, Standard Oil Ring Tension Learn More -
HAS-2M139-60 PART NUMBER
2M139-60 4.060 Prefit - Hasting Original Moly Ring Set - 5/64, 5/64, 3/16$49.95Hastings, Piston Rings, 4.060 Bore, Pre Fit, 5/64 5/64 3/16 Ring Pak, Standard Oil Ring Tension Learn More -
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-2M661-60 PART NUMBER
2M661-60 4.185 Prefit - Hasting Original Moly Ring Set - 5/64, 5/64, 3/16$66.95Hastings, Piston Rings, 4.185 Bore, Pre Fit, 5/64 5/64 3/16 Ring Pak, Standard Oil Ring Tension Learn More -
HAS-2M683-30 PART NUMBER
4.280 Prefit - Hasting Original Moly Ring Set - 5/64, 5/64, 3/16$62.95Hastings, Piston Rings, 4.280 Bore, Pre Fit, 5/64 5/64 3/16 Ring Pak, Standard Oil Ring Tension Learn More -
HAS-2M683-60 PART NUMBER
4.310 Prefit - Hasting Original Moly Ring Set - 5/64, 5/64, 3/16$62.95Hastings, Piston Rings, 4.310 Bore, Pre Fit, 5/64 5/64 3/16 Ring Pak, Standard Oil Ring Tension Learn More -
MO-310-0008.030 PART NUMBER
Mahle Original 310-0008.030 Claimer Race Piston Rings$93.954.155 Bore, Pre Fit, 5/64 5/64 3/16, Moly Coated Grey Iron Standard Tension oil Rings Learn More -
MO-310-0008.040 PART NUMBER
Mahle Original 310-0008-040 Claimer Race Piston Rings$93.954.165 Bore, Pre Fit, 5/64 5/64 3/16, Moly Coated Grey Iron Standard Tension oil Rings Learn More -
HAS-2M661-30 PART NUMBER
2M66130 4.155 Prefit - Hasting Original Moly Ring Set - 5/64, 5/64, 3/16$66.95Hastings, Piston Rings, 4.155 Bore, Pre Fit, 5/64 5/64 3/16 Ring Pak, Standard Oil Ring Tension Learn More