United Engine & Machine Pistons & Piston Rings

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 10/20/2025

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 10/20/2025

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 10/20/2025

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 10/20/2025

Piston Rings, 4.070 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4000AM8-070

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Oct 20, 2025 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: Oct 20, 2025 if ordered today

• Special Order

Piston Rings, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 4-Cylinder, Set

Part Number: UEM-4000AM4-040

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 20, 2025 if ordered today

• Special Order

"RING SET 3.622 bore, .50mm oversize, 2-1.5, 1-4.0mm, steel chrome ring set, qty 4 cyl set"

Part Number: UEM-3622DS4-50MM

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

• Special Order

"RING SET 3.622 bore, .75mm oversize, 2-1.5, 1-4.0mm, steel chrome ring set, qty 4 cyl set"

Part Number: UEM-3622DS4-75MM

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

• Special Order

Piston Rings, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 4-Cylinder, Set

Part Number: UEM-4000AM4-020

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

• Special Order

Piston Rings, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 4-Cylinder, Set

Part Number: UEM-4000AM4-030

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

• Special Order

Piston Rings, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 4-Cylinder, Set

Part Number: UEM-4000AM4-060

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

• Special Order

Piston Rings, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 4-Cylinder, Set

Part Number: UEM-4000AM4-STD

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

• Special Order

Ring Set 3.445 bore, .75MM oversize, 1-1.2, 1-1.5, 1-2.5 Steel ring set, qty 4 cyl set

Part Number: UEM-3445LS4-75MM

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

• Special Order

PISTON RING SET 4 CYLINDER

Part Number: UEM-3917NSC45MM

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

• Special Order

RING SET

Part Number: UEM-3622MS4-50MM

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 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: Nov 3, 2025 if ordered today

• Special Order

"RING SET 3.622 bore, 1.0mm oversize, 2-1.5, 1-4.0mm, steel chrome ring set, qty 4 cyl set"

Part Number: UEM-3622DS4-10MM

Not Yet Reviewed

Estimated Ship Date: Nov 6, 2025 if ordered today

• Special Order

Piston Ring Set 8cyl 4.020''/ 102.11 MM 5/64 5/64 3/16

Part Number: UEM-4000AG8020

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

• Special Order

Piston Ring Set 8cyl 4.030''/ 102.36 MM 5/64 5/64 3/16

Part Number: UEM-4000AG8030

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

• Special Order

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

Part Number: UEM-4000AG8040

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

• Special Order

Piston Ring Set 8cyl 4.060''/ 103.12 MM 5/64 5/64 3/16

Part Number: UEM-4000AG8060

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

• Special Order

Piston Ring Set 8cyl 4.080''/ 103.62 MM 5/64 5/64 3/16

Part Number: UEM-4000AG8080

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

• Special Order

Piston Ring Set 8cyl 4.000''/ 101.60 MM 5/64 5/64 3/16

Part Number: UEM-4000AG8STD

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

• Special Order

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

Part Number: UEM-4000AM6020

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

• Special Order