United Engine & Machine Parts and Accessories

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: Monday 3/23/2026 if shipped by air

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: Monday 3/23/2026 if shipped by air

PISTON RING SET

Part Number: UEM-22003-25MM

Not Yet Reviewed

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

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: Monday 3/23/2026 if shipped by air

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: Monday 3/23/2026 if shipped by air

Piston Rings, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4000AM8-040

5.0 out of 5 stars ( 1 )

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

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: Apr 13, 2026 if ordered today

• Special Order

Piston Ring Set 4cyl 3.504''/ 89 MM 1.2mm 1.5mm 2.0mm

Part Number: UEM-2200110MM

Not Yet Reviewed

Estimated Ship Date: Apr 20, 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: Apr 13, 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: Apr 13, 2026 if ordered today

• Special Order

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

Part Number: UEM-4000CS8060

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

PISTON RINGS

Part Number: UEM-4000CS8-085

Not Yet Reviewed

Estimated Ship Date: Apr 13, 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: Apr 20, 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: Apr 13, 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: Apr 13, 2026 if ordered today

• Special Order

Piston Rings, 4.390 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4360AM8-030

Not Yet Reviewed

Estimated Ship Date: Apr 13, 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: Apr 13, 2026 if ordered today

• Special Order

Piston Ring Set 8cyl 4.03''/ 102.362 MM 1.50mm 1.50mm 3.00mm

Part Number: UEM-4000CS8030

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston Ring Set 8cyl 4.030''/ 102.362 MM 1.50mm 1.50mm 3.00mm File to Fit

Part Number: UEM-4000CS8035

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston Ring Set 8cyl 4.01''/ 101.854 MM 1.50mm 1.50mm 3.00mm

Part Number: UEM-4000CS8010

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

• Special Order

Piston Ring Set 8cyl 3.955''/ 100.457 MM 5/64 5/64 3/16

Part Number: UEM-3875AM8080

Not Yet Reviewed

Estimated Ship Date: Apr 13, 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: Apr 13, 2026 if ordered today

• Special Order

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: Apr 13, 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: Apr 13, 2026 if ordered today

• Special Order

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

Part Number: UEM-3622DS4-STD

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order