United Engine & Machine Parts and Accessories

Piston Rings, 4.270 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile Iron, Plasma-moly, 8-Cylinder, Set

Part Number: UEM-4250BD8-020

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Piston Rings, 4.352 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4312AM8-040

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Piston Ring Set 8cyl 4.530''/ 115.06 MM 1/16 1/16 3/16 File to Fit

Part Number: UEM-4500BP8035

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Piston Ring Set 8cyl 4.600''/ 116.84 MM 1/16 1/16 3/16 File to Fit

Part Number: UEM-4500BP8105

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Ring Set

Part Number: UEM-4500JS8015

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Piston Ring Set 8cyl 4.565''/ 115.951 MM .043 1/16 3/16 File to Fit

Part Number: UEM-4500JS8065

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Piston Ring Set 6cyl 4.020" / 102.11mm 5/64 5/64 3/16

Part Number: UEM-4000AM6020

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Ring Set 4.000 bore, .005 oversize, 2-5/64, 1-3/16, moly ring set, qty 8 cyl set

Part Number: UEM-4000AM8-005

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Ring Set 4.000 bore, .070 oversize, 2-1/16, 1-3/16, moly ring set, qty 8 cyl set

Part Number: UEM-4000BM8070

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Piston Ring Set 8cyl 4.060''/ 103.12 MM 1/16 1/16 3/16 File to Fit

Part Number: UEM-4000BP8065

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Piston Rings, 4.342 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4342AM8-STD

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Piston Ring Set 8cyl 4.385''/ 111.379 MM .043 1/16 3/16 File to Fit

Part Number: UEM-4350JSC8035

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Ring Set 4.360 bore, .020 oversize, 2-5/64, 1-3/16, moly ring set, qty 4 cyl set

Part Number: UEM-4360AM4-030

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Piston Rings, 4.390 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile, Plasma-moly, File fit, 8-Cylinder, Set

Part Number: UEM-4360BD8-035

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Piston Rings, 4.566 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile Iron, Plasma-moly, 8-Cylinder, Set

Part Number: UEM-4466BD8-100

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Piston Ring Set 8cyl 4.06''/ 103.124 MM 1.50mm 1.50mm 3.00mm File to Fit

Part Number: UEM-4000CS8065

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Piston Ring Set 8cyl 4.020''/ 102.11 MM 1.20mm 1.20mm 3.00mm File to Fit - Gas Ported Top Ring

Part Number: UEM-4000EPX8025

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Piston Ring Set 8cyl 4.080''/ 103.63 MM 1.20mm 1.20mm 3.00mm File to Fit - Gas Ported Top Ring

Part Number: UEM-4000EPX8085

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Piston Ring Set 4.045''/ 102.75 MM 1.5mm 1.5mm 2.5mm

Part Number: UEM-4016HS875MM

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Ring Set 4.055 bore, .075 oversize, 2-1.5, 1-3mm, steel chrome ring set, qty 8 cyl set

Part Number: UEM-4000CS8075

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Piston Ring Set 8cyl 4.03''/ 102.362 MM 1.5mm 1.5mm 4.0mm

Part Number: UEM-4000DS8030

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Piston Ring Set 8cyl 4.075''/ 103.50 MM 1.20mm 1.20mm 3.00mm File to Fit - Gas Ported Top Ring

Part Number: UEM-4000EPX8080

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Piston Ring Set 8cyl 4.005''/ 101.727 MM 1.2mm 1.2mm 3.0mm File to Fit

Part Number: UEM-4000ES8005

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Piston Ring Set 8cyl 4.015''/ 101.981 MM 1.2mm 1.2mm 3.0mm File to Fit

Part Number: UEM-4000ES8015

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Piston Ring Set 8cyl 4.090''/ 103.88 MM 1.2mm 1.2mm 3.0mm

Part Number: UEM-4000ES8090

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Estimated Ship Date: Apr 13, 2026 if ordered today

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