MERCURY King Engine Bearings Engines & Components

Main Bearings, Ford, 240, 250, 300 6-cyl., 1966-1996, 0.030 in., Set

Part Number: KGB-MB7750SI030

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Estimated Ship Date: Jul 14, 2026 if ordered today

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Rod Bearings, .040 in Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford, Small Block, Set of 8

Part Number: KGB-CR804SI040

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Rod Bearings, XP-Series, Copper/Lead/Nickel, Standard Size, Infiniti, Nissan, Set of 6

Part Number: KGB-CR6676XP

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Estimated Ship Date: Jul 15, 2026 if ordered today

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Main Bearings, SI-Series, Silicon Aluminum, 0.25mm. Crankshaft Undersize, Ford, 2.5, 3.0L, Set of 4

Part Number: KGB-MB4056SI025

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Main Bearings, 3/4 Groove, Standard Size, Bi-metal, Silicon Aluminum, Set of 4

Part Number: KGB-MB4023SI

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Main Bearings, HP-Series, Silicon Aluminum, 0.50mm. Crankshaft Undersize, Ford, 4.6, 5.4L, Set of 5

Part Number: KGB-MB5280SI05

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Main Bearings, 3/4 Groove, Standard Size, Bi-metal, Silicon Aluminum, Set of 4

Part Number: KGB-MB4034SI

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Estimated Ship Date: Jul 15, 2026 if ordered today

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Rod Bearings, .050 in Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford, Small Block, Set of 8

Part Number: KGB-CR814SI050

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Estimated Ship Date: Jul 14, 2026 if ordered today

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Cam Bearings, Steel Backed Babbitt, Set

Part Number: KGB-CS417BBX

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Estimated Ship Date: Jul 15, 2026 if ordered today

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Rod Bearings, .050 in Undersize, Bi Metal, Silicon Aluminum, Ford, Big Block FE, Set of 8

Part Number: KGB-CR809AM050

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Estimated Ship Date: Jul 14, 2026 if ordered today

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Main Bearings, Full Groove, Standard Size, Bi-metal, Silicon Aluminum, Set of 4

Part Number: KGB-MB431SI

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Estimated Ship Date: Jul 15, 2026 if ordered today

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Main Bearings, AM-Series, Alecular Silicon, 0.25mm Crankshaft Undersize, Mitsubishi, 3.0L, Set of 4

Part Number: KGB-MB459SI025

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Estimated Ship Date: Jul 14, 2026 if ordered today

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Rod Bearing, AM-Series, Alecular Silicon, 0.25mm. Crankshaft Undersize, Mercedes-Benz, 2.0L, Set of 4

Part Number: KGB-CR4440AM025

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Estimated Ship Date: Jul 14, 2026 if ordered today

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Main Bearings, AM-Series, Full Groove, Standard Size, Bi Metal, Ford, 2.0L, Set of 5

Part Number: KGB-MB545AM

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Estimated Ship Date: Jul 14, 2026 if ordered today

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Cam Bearings, Steel Backed Babbitt, Set

Part Number: KGB-CS432BB

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Estimated Ship Date: Jul 15, 2026 if ordered today

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Main Bearings, 1/2 Groove, Standard Size, Bi-metal, Silicon Aluminum, Set of 4

Part Number: KGB-MB4056SI

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jul 15, 2026 if ordered today

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Main Bearings, SI-Series, Silicon Aluminum, 0.50mm. Crankshaft Undersize, Ford, 3.8, 3.9, 4.2L, Set of 4

Part Number: KGB-MB4034SI05

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Estimated Ship Date: Jul 14, 2026 if ordered today

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Main Bearings, SI-Series, Full Groove, .040 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford, Set of 5

Part Number: KGB-MB5504SI040

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Estimated Ship Date: Jul 15, 2026 if ordered today

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Main Bearings, SI-Series, Silicon Aluminum, 0.25mm. Crankshaft Undersize, Ford, 3.8, 3.9, 4.2L, Set of 4

Part Number: KGB-MB4034SI025

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Estimated Ship Date: Jul 15, 2026 if ordered today

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Rod Bearings, XP-Series, Silicon Aluminum, Standard Size, Ford, 221, 255, 260, 289, 302, Set of 8

Part Number: KGB-CR804XPNSTDX

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jul 15, 2026 if ordered today

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Main Bearings, SI-Series, 3/4 Groove, .010 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford, 2.9, 4.0L, Set 4

Part Number: KGB-MB4023SI010

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Estimated Ship Date: Jul 15, 2026 if ordered today

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Main Bearings, King XP-Series Main Bearings, .001 in., .026 mm Crankshaft Undersize, Tri-Metal, Mazda, Sold as a Set of 5

Part Number: KGB-MB5304XP026

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Estimated Ship Date: Jul 14, 2026 if ordered today

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Main Bearings, King XP-Series Main Bearings, .002 in., .026 mm Crankshaft Undersize, Bi-Metal. Ford, Sold as a Set

Part Number: KGB-MB5353XP0026

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Estimated Ship Date: Jul 14, 2026 if ordered today

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Rod Bearings, SI-Series, Silicon Aluminum, 0.25mm. Crankshaft Undersize, Ford, Mercury, Set of 6

Part Number: KGB-CR6712SI025

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Estimated Ship Date: Jul 14, 2026 if ordered today

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Rod Bearing, AM-Series, Alecular Silicon, 0.50mm. Crankshaft Undersize, Mercedes-Benz, 2.0L, Set of 4

Part Number: KGB-CR4440AM05

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Estimated Ship Date: Jul 15, 2026 if ordered today

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