United Engine & Machine Piston Rings

Piston Rings, 4.310 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile, Plasma-moly, File Fit, 8-Cylinder, Set

Part Number: UEM-4250BD8-065

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Piston Rings, 4.030 in. Bore, 1/16 in., 1/16 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4000BM8-030

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Piston Rings, 4.250 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile, Plasma-moly, File Fit, 8-Cylinder, Set

Part Number: UEM-4250BD8-005

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Ring Set 4.350 bore, .030 oversize, 2-5/64, 1-3/16, moly ring set, qty 8 cyl set

Part Number: UEM-4320AM8-030

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Piston Ring Set 8cyl 3.908''/ 99.26 MM 1.5mm 1.5mm 3.0mm

Part Number: UEM-3898CS8010

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Piston Rings, 3.776 in. Bore, 1.5mm, 1.5mm, 3.0mm, Ductile Iron, Plasma-moly, File Fit, 8-Cylinder, Set

Part Number: UEM-3736CD8-045

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Ring Set 3898 bore,

Part Number: UEM-3898ES8STD

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Piston Rings, 4.191 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile, Plasma-moly, File Fit, 8-Cylinder, Set

Part Number: UEM-4151BD8-045

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Piston Rings, 3.950 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-3910AM8-040

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Estimated Ship Date: Monday 2/16/2026 if shipped by air