MERCURY COMET Engines & Components

Main Bearings, P Series, Full Groove, .030 in. Crankshaft Undersize, Tri Metal, Ford, 332-428 FE, Set of 5

Part Number: CLE-MS863P30

Not Yet Reviewed

Estimated Ship Date: Dec 29, 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-50134CP040

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Piston Rings, Plasma-moly, 3.740 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 6-Cylinder, Set

Part Number: MAH-40565CP060

Not Yet Reviewed

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 14, 2026 if ordered today

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Main Bearings, Ford, 240, 250, 300 6-cyl., 1966-1996, 0.040 in., Set

Part Number: KGB-MB7750SI040

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Main Bearings, King HP-Series Main Bearings, 0.010 Size, Bi-Metal, Ford, Sold as a Set of 5

Part Number: KGB-MB5503HP010

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Estimated Ship Date: Feb 9, 2026 if ordered today

• Drop Ship
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Main Bearings, 0.010 in. Crankshaft Undersize, Tri Metal, Half Groove, Ford, Mercury, 221, 255, 260, 289, 302, Set of 5

Part Number: SLP-7151M10

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 17, 2025 if ordered today

• Special Order

Piston, Cast, Flat, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Small Block, Each

Part Number: UEM-S1144-020

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Estimated Ship Date: Tomorrow if ordered today

• Special Order

Piston, Cast, Flat, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Small Block, Each

Part Number: UEM-S1144-030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow if ordered today

• Special Order

Piston, Cast, Flat, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Small Block, Each

Part Number: UEM-S1144-040

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Estimated Ship Date: Tomorrow if ordered today

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Piston, Cast, Flat, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Small Block, Each

Part Number: UEM-S1144-060

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Estimated Ship Date: Tomorrow if ordered today

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

Part Number: UEM-S1144-STD

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Estimated Ship Date: Tomorrow if ordered today

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Piston, Cast, Flat, 3.520 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Small Block, Each

Part Number: UEM-S3187-020

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Estimated Ship Date: Tomorrow if ordered today

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Piston, Cast, Flat, 3.530 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Small Block, Each

Part Number: UEM-S3187-030

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Estimated Ship Date: Tomorrow if ordered today

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Piston, Cast, Flat, 3.540 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Small Block, Each

Part Number: UEM-S3187-040

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Estimated Ship Date: Tomorrow if ordered today

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Piston, Hypereutectic, Dish, 4.274 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB199-040

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Estimated Ship Date: Tomorrow if ordered today

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Piston, Hypereutectic, Step Dish, 4.150 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB378L-020

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Estimated Ship Date: Tomorrow if ordered today

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Piston, Hypereutectic, Step Dish, 4.150 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB378R-020

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Estimated Ship Date: Tomorrow if ordered today

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Piston, Cast, Dish, 4.070 in. Bore, 5/64 in., 3/32 in., 3/16 in. Ring Grooves, Ford, Big Block FE, Each

Part Number: UEM-S3193-020

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Estimated Ship Date: Tomorrow if ordered today

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Piston, Cast, Dish, 4.080 in. Bore, 5/64 in., 3/32 in., 3/16 in. Ring Grooves, Ford, Big Block FE, Each

Part Number: UEM-S3193-030

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Estimated Ship Date: Tomorrow if ordered today

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Piston, Cast, Dish, 4.090 in. Bore, 5/64 in., 3/32 in., 3/16 in. Ring Grooves, Ford, Big Block FE, Each

Part Number: UEM-S3193-040

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Estimated Ship Date: Tomorrow if ordered today

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Piston, Cast, Dish, 4.110 in. Bore, 5/64 in., 3/32 in., 3/16 in. Ring Grooves, Ford, Big Block FE, Each

Part Number: UEM-S3193-060

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Estimated Ship Date: Tomorrow if ordered today

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Piston, Cast, Dish, 4.05 in. Bore, 5/64 in., 3/32 in., 3/16 in. Ring Grooves, Ford, Big Block FE, Each

Part Number: UEM-S3193-STD

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Valve Spring Retainer Kit

Part Number: PIO-817102

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Main Stud Kit

Part Number: PIO-855009

Not Yet Reviewed

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