United Engine & Machine Parts and Accessories

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

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Piston Ring Set 8cyl 4.290''/ 108.97 MM 2.0MM 2.0MM 4.0MM

Part Number: UEM-4250SM8040

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

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

Part Number: UEM-4360AM4-040

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston Rings, 4.400 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4360AM8-040

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston Rings, 4.360 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4360AM8-STD

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston Rings, 4.000 in. Bore, 1.5mm, 1.5mm, 3.0mm, Steel, Chrome, 8-Cylinder, Set

Part Number: UEM-4000CS8-STD

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston Ring Set 8cyl 4.04''/ 102.616 MM 1.50mm 1.50mm 3.00mm File to Fit

Part Number: UEM-4000CS8045

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston Ring Set 8cyl 4.07''/ 103.378 MM 1.50mm 1.50mm 3.00mm

Part Number: UEM-4000CS8070

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston Ring Set 4.016''/ 102 MM 1.5mm 1.5mm 2.5mm

Part Number: UEM-4016HS8STD

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

"RING SET 3.622 bore, .25mm oversize, 2-1.5, 1-4.0mm, steel chrome ring set, qty 4 cyl set"

Part Number: UEM-3622DS4-25MM

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

1cyl Ring Set - 2.500" / 63.50mm 1.2mm 1.5mm 2.5mm

Part Number: UEM-121279STD

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston Ring Set 4cyl 3.4645''/ 88 MM 1.20mm 1.20mm 3.00mm

Part Number: UEM-3445ES450MM

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston Ring Set 6cyl 3.622''/ 92.00 MM 1.2mm 1.2mm 2.0mm

Part Number: UEM-22012STD

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston Ring Set 6cyl 3.820''/ 97.00 MM 1.5mm 1.5mm 3.0mm

Part Number: UEM-2201710MM

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston Ring Set 8cyl 3.917''/ 99.50 MM 1.2mm 1.2mm 2.0mm

Part Number: UEM-22018STD

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston Ring Set 6cyl 3.6025''/ 91.50 MM 3/32 3/32 3/16

Part Number: UEM-22019040

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston Ring Set 6cyl 4.040" / 102.62 MM 1.5MM 1.5MM 3.0MM

Part Number: UEM-2202110MM

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston Ring Set 6cyl 3.720" / 94.50 MM 1.2MM 1.2MM 2.0MM

Part Number: UEM-220265MM

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston Ring Set 1cyl 2.884''/ 73.2536 MM 1.2mm 1.2mm 3.0mm

Part Number: UEM-25024010

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston Ring Set 1cyl 3.927''/ 99.7458 MM 1.2mm 1.5mm 2.5mm

Part Number: UEM-25019STD

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston Ring Set 6cyl 3.6425''/ 92.50 MM 3/32 3/32 3/16

Part Number: UEM-22019080

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston Ring Set 8cyl 4.280''/ 108.71 MM 5/64" 5/64" 3/16" Shallow Groove

Part Number: UEM-22020030

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston Ring Set 8cyl 4.290''/ 108.96 MM 5/64" 5/64" 3/16" Shallow Groove

Part Number: UEM-22020040

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston Ring Set 6cyl 3.701" / 94.00 MM 1.2MM 1.2MM 2.0MM

Part Number: UEM-22026STD

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston Ring Set 8cyl 4.040''/ 102.62 MM 5/64 5/64 3/16 Shallow Oil

Part Number: UEM-22028040

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order