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King Engine Bearings

King HP-Series Main Bearings

4.44 out of 5 stars 48 Customer Reviews

King HP-Series main bearings are recommended for street and strip performance applications. They're designed for blown, turbocharged, NOS, and alcohol-fueled engines using aftermarket crankshafts. These main bearings have greater eccentricity for superior oiling at high rpm, and a chamfered surface for large radii crankshafts. HP-Series bearings also feature large, chamfered oil holes—and are available in 1/2 grooving for improved oiling to withstand high-rpm applications. Order the bearings designed for fitment with your specific engine.

Showing In Stock Items. Show All 19 Items.

Results 1 - 15 of 15

King HP-Series Main Bearings MB 557HP

King HP-Series Main Bearings MB 557HP

King HP-Series Main Bearings MB 557HP

Main Bearings, HP-Series, Standard Size, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set of 5

Part Number: KGB-MB557HP

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

King HP-Series Main Bearings MB 509HP

King HP-Series Main Bearings MB 509HP

King HP-Series Main Bearings MB 509HP

Main Bearings, HP-Series, Bi-metal, Silicon Aluminum, Standard Size, Chevy, 400, Small Block, Set of 5

Part Number: KGB-MB509HP

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

King HP-Series Main Bearings MB 557HPSTDX

King HP-Series Main Bearings MB 557HPSTDX

King HP-Series Main Bearings MB 557HPSTDX

Main Bearings, HP-Series, 1/2 Groove, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set

Part Number: KGB-MB557HPSTDX

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

King HP-Series Main Bearings MB5511HP

King HP-Series Main Bearings MB5511HP

King HP-Series Main Bearings MB5511HP

Main Bearings, HP Series, 1/2 Groove, Standard Size, Bi Metal, Pontiac, 5.3, 5.7, 6.4, 6.6L, Set

Part Number: KGB-MB5511HP

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

King HP-Series Main Bearings MB 509HP STDX

King HP-Series Main Bearings MB 509HP STDX

King HP-Series Main Bearings MB 509HP STDX

Main Bearings, HP-Series, Silicon Aluminum, Standard Size, Chevy, 400, Set of 5

Part Number: KGB-MB509HPSTDX

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

King HP-Series Main Bearings MB 557HP 010

King HP-Series Main Bearings MB 557HP 010

King HP-Series Main Bearings MB 557HP 010

Main Bearings, HP-Series, .010 in. Crankshaft Undersize, Bi-metal, Silicon Aluminumn, Chevy, Small Block, Set of 5

Part Number: KGB-MB557HP010

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

King HP-Series Main Bearings MB 509HP 010

King HP-Series Main Bearings MB 509HP 010

King HP-Series Main Bearings MB 509HP 010

Main Bearings, HP-Series, Bi-metal, Grooved, 0.010 in. Crankshaft Crankshaft Undersize, Chevy, 400, Set of 5

Part Number: KGB-MB509HP010

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

King HP-Series Main Bearings MB 557HP 020

King HP-Series Main Bearings MB 557HP 020

King HP-Series Main Bearings MB 557HP 020

Main Bearings, HP-Series, Silicon Aluminum, 0.020 in. Crankshaft Undersize, Chevy, Small Block, Set of 5

Part Number: KGB-MB557HP020

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

King HP-Series Main Bearings MB 509HP 020

King HP-Series Main Bearings MB 509HP 020

King HP-Series Main Bearings MB 509HP 020

Main Bearings, HP-Series, Silicon Aluminum, 0.020 in. Crankshaft Undersize, Chevy, 400, Set of 5

Part Number: KGB-MB509HP020

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

King HP-Series Main Bearings MB 557HP 001

King HP-Series Main Bearings MB 557HP 001

King HP-Series Main Bearings MB 557HP 001

Main Bearings, HP-Series, .001in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set of 5

Part Number: KGB-MB557HP001

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

King HP-Series Main Bearings MB5511HP 010

King HP-Series Main Bearings MB5511HP 010

King HP-Series Main Bearings MB5511HP 010

Main Bearings, King HP-Series Main Bearings, .010 in., .25 mm Crankshaft Undersize, Bi-Metal, Pontiac, Sold as a Set

Part Number: KGB-MB5511HP010

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

King HP-Series Main Bearings MB 557HP 011

King HP-Series Main Bearings MB 557HP 011

King HP-Series Main Bearings MB 557HP 011

Main Bearings, HP-Series, Silicon Aluminum, 0.011 in. Crankshaft Undersize, Chevy, Small Block, Set of 5

Part Number: KGB-MB557HP011

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

King HP-Series Main Bearings MB5511HP 001

King HP-Series Main Bearings MB5511HP 001

King HP-Series Main Bearings MB5511HP 001

Main Bearings, King HP-Series Main Bearings, .001 in., .025 mm Crankshaft Undersize, Bi-Metal, Pontiac, Sold as a Set

Part Number: KGB-MB5511HP001

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

King HP-Series Main Bearings MB 509HP 001

King HP-Series Main Bearings MB 509HP 001

King HP-Series Main Bearings MB 509HP 001

Main Bearings, HP-Series, Silicon Aluminum, 0.001 in. Crankshaft Undersize, Chevy, 400, Set of 5

Part Number: KGB-MB509HP001

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

King HP-Series Main Bearings MB 557HP010X

King HP-Series Main Bearings MB 557HP010X

King HP-Series Main Bearings MB 557HP010X

Main Bearings, HP-Series, Silicon Aluminum, 0.010 in. Crankshaft Undersize, Chevy, Small Block, Set of 5

Part Number: KGB-MB557HP010X

4.0 out of 5 stars ( 1 )

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

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