United Engine & Machine Engines & Components

Piston Rings, 4.030 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile, Plasma-moly, File Fit, 8-Cylinder, Set

Part Number: UEM-4000BD8-035

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

Piston Rings, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4000AM8-030

4.9 out of 5 stars ( 10 )

Estimated Ship Date: Today

Piston Rings, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile, Plasma-moly, File Fit, 8-Cylinder, Set

Part Number: UEM-4000BD8-045

Not Yet Reviewed

Estimated Ship Date: Today

Piston Rings, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4000BM8-040

Not Yet Reviewed

Estimated Ship Date: Today

Piston Rings, 4.155 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4125AM8-030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

PISTON RING SET

Part Number: UEM-22003-25MM

Not Yet Reviewed

Estimated Ship Date: Today

Piston Rings, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4000AM8-060

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Piston Rings, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4000AM8-020

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Piston Rings, 4.185 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4125AM8-060

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

• Special Order

Piston Ring Set 4.075''/ 103.5 MM 1.5mm 1.5mm 2.5mm

Part Number: UEM-4065HN825MM

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

• Special Order

Piston Rings, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4000AM8-STD

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

• Special Order

Piston Ring Set 8cyl 4.085''/ 103.75 MM 1.2mm 1.5mm 2.5mm

Part Number: UEM-220035MM

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

• Special Order

Piston Rings, 4.380 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4360AM8-020

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

• Special Order

Piston Rings, 4.280 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4250AM8-030

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

• Special Order

Piston Rings, 4.145 in. Bore, 1/16 in., 1/16 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4125BM8-020

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

• Special Order

Piston Rings, 4.060 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile, Plasma-moly, File Fit, 8-Cylinder, Set

Part Number: UEM-4000BD8-065

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 23, 2026 if ordered today

• Special Order

Piston Rings, 4.020 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile, Plasma-moly, File Fit, 8-Cylinder, Set

Part Number: UEM-4000BD8-025

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

• Special Order

Piston Rings, 4.280 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile, Plasma-moly, File Fit, 8-Cylinder, Set

Part Number: UEM-4250BD8-035

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 25, 2026 if ordered today

• Special Order

Piston Rings, 4.000 in. Bore, 1/16 in., 1/16 in., 3/16 in., Iron, Moly, Set of 8

Part Number: UEM-4000BM8-STD

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 24, 2026 if ordered today

• Special Order

Piston Rings, 3.935 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-3875AM8-060

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

• Special Order

Piston Ring Set 8cyl 4.010''/ 101.85 MM 1.2mm 1.5mm 2.5mm

Part Number: UEM-2200425MM

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

• Special Order

Piston Ring Set 8cyl 4.065''/ 103.251 MM 1.50mm 1.50mm 3.00mm

Part Number: UEM-4055CS8010

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

• Special Order

Piston Rings, 4.125 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4125AM8-STD

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

• Special Order

Piston Ring Set 8cyl 3.8''/ 96.52 MM 1.50mm 1.50mm 3.00mm

Part Number: UEM-3780CS8020

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

• Special Order

Piston Rings, 4.165 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4125AM8-040

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

• Special Order