Engines & Engine Parts at Summit Racing

King SI-Series Main Bearings MB5661SI0.75

Main Bearings, King SI-Series Main Bearings, .030 in., .75 mm Crankshaft Undersize, Bi-Metal, Audi, Volkswagen, Sold as a Set of 5

Part Number: KGB-MB5661SI075

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

King XP-Series Main Bearings MB5727XP0.25

Main Bearings, King XP-Series Main Bearings, .010 in., .25 mm Crankshaft Undersize, Tri-Metal, Suzuki, Sold as a Set

Part Number: KGB-MB5727XP025

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

King XP-Series Main Bearings MB5727XP STDX

Main Bearings, King XP-Series Main Bearings, Stock Size, Tri-Metal, Suzuki, Sold as a Set

Part Number: KGB-MB5727XPSTDX

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

King XP-Series Main Bearings MB5729XP

Main Bearings, XP-Series Main Bearings, Stock Size, Tri-Metal, Puegeot, Sold as a Set

Part Number: KGB-MB5729XP

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

King XP-Series Main Bearings MB5729XP STDX

Main Bearings, XP-Series Main Bearings, Stock Size, Tri-Metal, Puegeot, Sold as a Set

Part Number: KGB-MB5729XPSTDX

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

King XP-Series Main Bearings MB5730XP

Main Bearings, King XP-Series Main Bearings, Stock Size, Tri-Metal, Alfa Romeo, Fiat, Lancia, Sold as a Set

Part Number: KGB-MB5730XP

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

King XP-Series Main Bearings MB5730XP0.25

Main Bearings, King XP-Series Main Bearings, .010 in., .25 mm Crankshaft Undersize, Tri-Metal, Alfa Romeo, Fiat, Lancia, Sold as a Set

Part Number: KGB-MB5730XP025

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

King XP-Series Main Bearings MB5730XP STDX

Main Bearings, King XP-Series Main Bearings, Stock Size, Tri-Metal, Alfa Romeo, Fiat, Lancia, Sold as a Set

Part Number: KGB-MB5730XPSTDX

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

King XP-Series Main Bearings MB5731XP0.25

Main Bearings, King XP-Series Main Bearings, .010 in., .25 mm Crankshaft Undersize, Tri-Metal, Suzuki, Sold as a Set

Part Number: KGB-MB5731XP025

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

King XP-Series Main Bearings MB5739XPG.026

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

Part Number: KGB-MB5739XP0026

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

King XP-Series Main Bearings MB5739XPG STDX

Main Bearings, King XP-Series Main Bearings, Stock Size, Tri-Metal, Subaru, Sold as a Se

Part Number: KGB-MB5739XPSTDX

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

King XP-Series Main Bearings MB5740XPG STDX

Main Bearings, King XPG-Series Main Bearings, Stock Size, Tri-Metal, Subaru, Sold as a Set of 5

Part Number: KGB-MB5740XPSTDX

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

King CP-Series Main Bearings MB5743CP0.25

Main Bearings, King CP-Series Main Bearings, .010 in., .25 mm Crankshaft Undersize, Tri-Metal, Isuzu, Sold as a Set of 5

Part Number: KGB-MB5743CP025

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

King CP-Series Main Bearings MB5743CP0.5

Main Bearings, King CP-Series Main Bearings, .020 in., .50 mm Crankshaft Undersize, Tri-Metal, Isuzu, Sold as a Set of 5

Part Number: KGB-MB5743CP05

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

King AM-Series Main Bearings MB 454AM0.75

Main Bearings, AM-Series, Alecular Silicon, 0.75mm Crankshaft Undersize, Suzuki, 1.0L, Set of 4

Part Number: KGB-MB454AM075

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

King AM-Series Main Bearings MB 454AM1.0

Main Bearings, AM-Series, Alecular Silicon, 1.00mm Crankshaft Undersize, Suzuki, 1.0L, Set of 4

Part Number: KGB-MB454AM10

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

King HP-Series Rod Bearings CR 808HPND 030

Rod Bearings, HP-Series, Silicon Aluminum, 0.030 in. Crankshaft Undersize, Chevy, Big Block, Set of 8

Part Number: KGB-CR808HPND030

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

King XP-Series Coated Rod Bearings CR8057XPNC 020

Rod Bearings, King XP-Series Rod Bearings, .020 in., .50 mm Crankshaft Undersize, Tri-Metal, Cadillac, Chevy, GMC, Sold as a Set of 8

Part Number: KGB-CR8057XPNC20

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

King AM-Series Main Bearings MB5568AM1.0

Main Bearings, AM-Series, Alecular Silicon, 1.00mm Crankshaft Undersize, for use on Acura®, Honda®, Set of 5

Part Number: KGB-MB5568AM10

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

King XP-Series Coated Main Bearings MB 556XPC 020

Main Bearing Set, CHEVROLET 369-502 Gen IV, V, VI - pMaxKote

Part Number: KGB-MB556XPC020

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

King XP-Series Coated Main Bearings MB 556XPNC 020

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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King AM-Series Main Bearings MB5578AM

Main Bearing, AM-Series, Alecular Silicon, Standard Size, BMW, 1.8, 1.9L, Set of 5

Part Number: KGB-MB5578AM

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

King AM-Series Main Bearings MB5578AM0.25

Main Bearing, AM-Series, Alecular Silicon, 0.25mm. Crankshaft Undersize, BMW, 1.8, 1.9L, Set of 5

Part Number: KGB-MB5578AM025

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

King XP-Series Main Bearings MB 557XP020X

Main Bearing, XP-Series, Copper/Lead/Nickel, 0.020 in. Crankshaft Undersize, Chevy, Small Block, Set of 5

Part Number: KGB-MB557XP020X

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

King AM-Series Main Bearings MB5586AM0.75

Main Bearing, AM-Series, Alecular Silicon, 0.75mm. Crankshaft Undersize, for use on Honda®, Isuzu, 2.6L, Set of 5

Part Number: KGB-MB5586AM075

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

King AM-Series Main Bearings MB5586AM1.0

Main Bearing, AM-Series, Alecular Silicon, 1.00mm. Crankshaft Undersize, for use on Honda®, Isuzu, 2.6L, Set of 5

Part Number: KGB-MB5586AM10

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today