United Engine & Machine Parts and Accessories

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

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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

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

• Special Order

Wrist Pin, Lightweight, .984 in. Diameter, 3.000 in. Length, Each

Part Number: UEM-0984X300K

5.0 out of 5 stars ( 1 )

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

Wrist Pin Retainers, Spirolox, 1.094 in. Diameter, .020 in. Thick, Each

Part Number: UEM-PRF116-3

2.0 out of 5 stars ( 1 )

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

R-93 Spacer Ring

Part Number: UEM-R-93

Not Yet Reviewed

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

"RING SET 3.780 bore, .030 oversize, 2-1/16, 1-3/16, ductile ring set, qty 4 cyl set"

Part Number: UEM-3780BD4030

Not Yet Reviewed

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

• Free Shipping

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

Not Yet Reviewed

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

• Free Shipping

Spacer Ring

Part Number: UEM-R-89

Not Yet Reviewed

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

0984X224K Wrist Pin

Part Number: UEM-0984X224K

Not Yet Reviewed

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

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

Ring Set 3898 bore,

Part Number: UEM-3898ES8STD

Not Yet Reviewed

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

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Piston Ring Set 8cyl 3.898''/ 99 MM 1.5mm 1.5mm 3.0mm

Part Number: UEM-3898CS8STD

Not Yet Reviewed

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

R-101 Spacer Ring

Part Number: UEM-R-101

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

• Special Order

RING PACK (1CYL.)

Part Number: UEM-U08200LS

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order