United Engine & Machine Pistons & Piston Rings

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

Part Number: UEM-4000CS8060

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Estimated Ship Date: Nov 21, 2025 if ordered today

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Ring Set 4.350 bore, .030 oversize, 2-5/64, 1-3/16, moly ring set, qty 8 cyl set

Part Number: UEM-4320AM8-030

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Estimated Ship Date: Monday 10/20/2025

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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

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Estimated Ship Date: Oct 27, 2025 if ordered today

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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

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Estimated Ship Date: Oct 20, 2025 if ordered today

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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 10/20/2025

Piston Rings, 4.225 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4165AM8-060

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Estimated Ship Date: Nov 25, 2025 if ordered today

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Wrist Pin, Lightweight, .980 in. Diameter, 3.000 in. Length, 149 Grams, Each

Part Number: UEM-0980X300K

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Piston Rings, 3.940 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile Iron, Plasma-moly, 8-Cylinder, Set

Part Number: UEM-3910BD8-030

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Piston Rings, 4.382 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4342AM8-040

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Piston Rings, 4.372 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4342AM8-030

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 20, 2025 if ordered today

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Piston Rings, 4.400 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile Iron, Plasma-moly, 8-Cylinder, Set

Part Number: UEM-4360BD8-040

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Estimated Ship Date: Nov 3, 2025 if ordered today

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PISTON RINGS

Part Number: UEM-4000CS8-085

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Estimated Ship Date: Nov 25, 2025 if ordered today

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Piston Rings, 4.155 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile, Plasma-moly, File Fit, 8-Cylinder, Set

Part Number: UEM-4125BD8-035

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 3, 2025 if ordered today

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Piston Rings, 4.070 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile Iron, Plasma-moly, 8-Cylinder, Set

Part Number: UEM-4000BD8-070

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Estimated Ship Date: Nov 3, 2025 if ordered today

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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: Nov 3, 2025 if ordered today

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PISTON RING SET

Part Number: UEM-22003-25MM

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Estimated Ship Date: Monday 10/20/2025

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

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Estimated Ship Date: Oct 20, 2025 if ordered today

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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

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Estimated Ship Date: Nov 3, 2025 if ordered today

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SRW-012 Lock Ring

Part Number: UEM-SRW-012

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Estimated Ship Date: Monday 10/20/2025

Wrist Pin, Lightweight, .927 in. Diameter, 2.500 in. Length, Each

Part Number: UEM-927X216K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/20/2025

Piston Rings, 3.776 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile Iron, Plasma-moly, 8-Cylinder, Set

Part Number: UEM-3736BD8040

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Estimated Ship Date: Monday 10/20/2025

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R-75 Spacer Ring

Part Number: UEM-R-75

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Lock Rings, Set of 2

Part Number: UEM-RRN-86

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Estimated Ship Date: Monday 10/20/2025

R-79 Spacer Ring

Part Number: UEM-R-79

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Ring Set 3.312 bore, .063 oversize, 2-1/16, 1-3/16, ductile ring set, qty 8 cyl set

Part Number: UEM-3312BD8-063

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Estimated Ship Date: Oct 20, 2025 if ordered today

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