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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.

Results 1 - 22 of 22

Main Bearings, HP-Series, Narrowed, Bi-metal, Silicon Aluminum, 1/2 Groove Style, Stock Size, Chevrolet, Big Block, Set of 5

Part Number: KGB-MB556HPN

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

Main Bearings, 1/2 Groove, Standard Size, Bi-metal, Silicon Aluminum, Chevy, Small Block, LS, Set of 5

Part Number: KGB-MB5013HP

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

Main Bearings, HP Series, 1/2 Groove, Standard Size, Bi Metal, Chevrolet, 5.7L, Set of 5

Part Number: KGB-MB5013HPSTDX

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

Main Bearings, HP-Series, 1/2 Groove, Bi-Metal, Silicon Aluminum, .001 in. Thinner Size, Chevy, Big Block, Set of 5

Part Number: KGB-MB556HPNSTDX

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

Main Bearings, 1/2 Groove, .010 in. Crankshaft Undersize, Alecular Silicon, Chevy, Small Block, LS, Set of 5

Part Number: KGB-MB5013HP010

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

Main Bearings, HP Series, 0.010 in. Crankshaft Undersize, Bi-Metal, Silicon Aluminum, Chevrolet, Big Block, Set of 5

Part Number: KGB-MB556HPN010

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

Main Bearings, HP-Series, Grooved, Bi Metal, Stock Size, Ford, 429, 460, Set of 5

Part Number: KGB-MB5650HP

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

Main Bearings, 1/2 Groove, .001 in. Crankshaft Undersize, Alecular Silicon, Chevy, Small Block, LS, Set of 5

Part Number: KGB-MB5013HP001

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

Main Bearings, HP-Series, Narrowed, Bi-metal, Silicon Aluminum, 1/2 Groove Style, 0.011 in. Crankshaft Undersize, Chevrolet, Big Block, Set of 5

Part Number: KGB-MB556HPN011

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

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

Part Number: KGB-MB529HP

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

Main Bearings, HP-Series, Silicon Aluminum, 0.010 in. Crankshaft Undersize, Ford, 429, 460, Set of 5

Part Number: KGB-MB5650HP010

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

Main Bearing, HP-Series, Silicon Aluminum, Standard Size, Ford, 429, 460, Set of 5

Part Number: KGB-MB5650HPSTDX

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

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: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

Main Bearings, HP-Series, Silicon Aluminum, 0.010 in. Crankshaft Undersize, Ford, Lincoln, Mercury, Set of 5

Part Number: KGB-MB529HP010

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

Main Bearings, HP-Series, Narrowed, Bi-metal, Silicon Aluminum, 1/2 Groove Style, 0.020 in. Crankshaft Undersize, Chevrolet, Big Block, Set of 5

Part Number: KGB-MB556HPN020

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

Main Bearings, HP-Series, Narrowed, Bi-metal, Silicon Aluminum, 1/2 Groove Style, 0.010 in. Crankshaft Undersize, Chevrolet, Big Block, Set of 5

Part Number: KGB-MB556HPN010X

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

Main Bearings, HP-Series, Silicon Aluminum, Standard Size, Ford, Lincoln, Mercury, Set of 5

Part Number: KGB-MB529HPSTDX

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

Main Bearings, King HP-Series Main Bearings, .020 in., .50 mm Crankshaft Undersize, Bi-Metal, Ford, Sold as a Set of 5

Part Number: KGB-MB5650HP020

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

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: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

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: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Main Bearing, HP-Series, Silicon Aluminum, 0.001 in. Crankshaft Undersize, Ford, 429, 460, Set of 5

Part Number: KGB-MB5650HP001

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Main Bearings, HP-Series, Silicon Aluminum, 0.030 in. Crankshaft Undersize, Ford, Lincoln, Mercury, Set of 5

Part Number: KGB-MB529HP030

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

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