MERCURY COMET Engines & Components

Piston, Hypereutectic, Flat, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-S3101HC-STD

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Estimated Ship Date: Dec 18, 2025 if ordered today

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Piston, Hypereutectic, Step Dish, 4.170 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB378-040

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Estimated Ship Date: Dec 18, 2025 if ordered today

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Piston, Cast, Flat, 3.560 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Small Block, Each

Part Number: UEM-S3187-060

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Estimated Ship Date: Dec 18, 2025 if ordered today

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Piston, Hypereutectic, Dish, 4.254 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB199-020

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Estimated Ship Date: Dec 18, 2025 if ordered today

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Main Bearings, 0.040 in. Crankshaft Undersize, Tri Metal, Full Groove, Ford, L6, 4.9L, Set of 7

Part Number: SLP-4916M40

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Ring Set, Plain - Dearborn Marine; Ford 361,390 Engs. (61-71); Ford Ind.; Ford Trk. 360,390 E

Part Number: MAH-50134CP060

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Piston Rings, Standard Piston Ring Sets, Cast Iron, 3.680 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, L6, Set

Part Number: MAH-50565CP

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Engine Piston Ring Set, 8-Cyl Ring Set; Triple Chrome

Part Number: HSN-2C139

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Engine Piston Ring Set, 8-Cyl Ring Set; Triple Chrome

Part Number: HSN-2C139010

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Engine Piston Ring Set, 8-Cyl Ring Set; Triple Chrome

Part Number: HSN-2C139020

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Engine Piston Ring Set, 8-Cyl Ring Set; Triple Chrome

Part Number: HSN-2C139060

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Engine Piston Ring Set, 8-Cyl Ring Set; Triple Chrome

Part Number: HSN-2C139070

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Engine Piston Ring Set, Single Cyl Ring Set; Chrome

Part Number: HSN-2C4711S020

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Engine Piston Ring Set, Single Cyl Ring Set; Chrome

Part Number: HSN-2C4711S030

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Piston Rings, Plasma-moly, 3.710 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 6-Cylinder, Set

Part Number: MAH-40565CP030

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Estimated Ship Date: Dec 15, 2025 if ordered today

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

Part Number: MAH-40451040

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Rocker Arm Shaft Stand, FORD 390-428 FE, Billet Alum, Single 2-3-6-7, Set of 4

Part Number: PQX-1213908

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Estimated Ship Date: Jan 12, 2026 if ordered today

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SPEED SET

Part Number: MEL-40402

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Main Bearings, King HP-Series Main Bearings, 0.001 Size, Bi-Metal, Ford, Sold as a Set of 5

Part Number: KGB-MB5503HP001

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Piston, Cast, Flat, 3.500 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Small Block, Each

Part Number: UEM-S3187-STD

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Estimated Ship Date: Dec 19, 2025 if ordered today

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Engine Piston Ring Set, 8-Cyl Ring Set; Phosphate

Part Number: HSN-595

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Engine Piston Ring Set, 8-Cyl Ring Set; Phosphate

Part Number: HSN-595030

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Engine Piston Ring Set, 8-Cyl Ring Set; Phosphate

Part Number: HSN-595040

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Engine Piston Ring Set, 8-Cyl Ring Set; Phosphate

Part Number: HSN-595060

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Engine Piston Ring Set, 6-Cyl Ring Set; Phosphate

Part Number: HSN-582040

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Estimated Ship Date: Dec 1, 2025 if ordered today

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