Main Bearings

Main Bearing, XP-Series, Standard, Tri Metal, Chevy, Small Block, Set of 5

Part Number: KGB-MB557XP

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Main Bearings, XP-Series, Narrowed, Tri-metal, 1/2 Groove Style, Stock Size, Chevrolet, Big Block, Set of 5

Part Number: KGB-MB556XPN

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Main Bearing, XP-Series, Copper/Lead/Nickel, Standard Size, Chevy, Small Block, Set of 5

Part Number: KGB-MB557XPSTDX

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Main Bearing, XP-Series, Copper/Lead/Nickel, 0.010 in. Crankshaft Undersize, Chevy, Small Block, Set of 5

Part Number: KGB-MB557XP010

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Main Bearings, XP-Series, Narrowed, Tri-metal, 1/2 Groove Style, Stock Size, Chevrolet, Big Block, Set of 5

Part Number: KGB-MB556XPNSTDX

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Main Bearings, XPG-Series, Copper/Lean/Nickel, Standard Size, Subaru, 1.8, 2.2, 2.5L, Set of 5

Part Number: KGB-MB5382XPG

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Main Bearing, XP-Series, Copper/Lead/Nickel, 0.001 in. Crankshaft Undersize, Chevy, Small Block, Set of 5

Part Number: KGB-MB557XP001

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Main Bearings, XP-Series, Copper/Lead/Nickel, Standard Size, Ford, Lincoln, Mercury, 351W, 351M, 400

Part Number: KGB-MB5505XPSTDX

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Main Bearings, XP-Series, Performance, Tri-Metal, Set of 5

Part Number: KGB-MB5442XP

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Main Bearings, XP-Series, Standard, Tri Metal Copper-Lead Nickel, Chevrolet, 4.8, 5.3, 6.0, 6.2L, Thrust Bearing Only, Pair

Part Number: KGB-MB1328XP

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Main Bearings, XP-Series, Standard Size, Chevy, 400, Set of 5

Part Number: KGB-MB509XP

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Main Bearings, XP-Series, Narrowed, Tri-metal, 1/2 Groove Style, 0.010 in. Crankshaft Undersize, Chevrolet, Big Block, Set of 5

Part Number: KGB-MB556XPN010

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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

Part Number: KGB-MB557XP020

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Main Bearings, XP-Series Coated, Stock Size, Tri-metal Copper-lead Nickel, Grooved, Upper, 1/2 Style, for use on Acura®, for use on Honda®, Set of 5

Part Number: KGB-MB5259XPC

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Main Bearings, XP-Series, Narrowed, Tri-metal, 1/2 Groove Style, 0.001 in. Crankshaft Undersize, Chevrolet, Big Block, Set of 5

Part Number: KGB-MB556XPN001

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Main Bearings, XP-Series, Copper/Lead/Nickel, Standard Size, Chevy, 400, Set of 5

Part Number: KGB-MB509XPSTDX

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Main Bearings, HP-Series, Copper/Lead/Nickel, Standard Size, Chrysler, Dodge, Plymouth, 426, 440, Set of 5

Part Number: KGB-MB5116XP

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Main Bearings, HP-Series, Copper/Lead/Nickel, Standard Size, Ford, 351C, Set of 5

Part Number: KGB-MB5503XPSTDX

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Main Bearings, HP-Series, Copper/Lead/Nickel, 0.001 in. Crankshaft Undersize, Chrysler, Dodge, Plymouth, 426, 440, Set 5

Part Number: KGB-MB5116XP001

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Main Bearing, XP-Series, Copper/Lead/Nickel, 0.011 in. Crankshaft Undersize, Chevy, Small Block, Set of 5

Part Number: KGB-MB557XP011

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Main Bearings, XP-Series, Copper/Lead/Nickel, Standard Size, Ford, Lincoln, Mercury, Set of 5

Part Number: KGB-MB529XPSTDX

Not Yet Reviewed

Estimated Ship Date: May 21, 2026 if ordered today

• Drop Ship
• Special Order

Main Bearings, HP-Series, Copper/Lead/Nickel, 0.010 in. Undersize, Chrysler, Dodge, Plymouth, 426, 440, Set 5

Part Number: KGB-MB5116XP010

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Main Bearings, King XP-Series Coated Main Bearings, Stock Size, Tri-Metal, Chevy, Each

Part Number: KGB-MB1328XPSTDX

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Main Bearings, HP-Series, 1/2 Groove, Standard Size, Tri-Metal, Ford, 351C, Set of 5

Part Number: KGB-MB5503XP

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Main Bearings, XP-Series, Copper/Lead/Nickel, 0.010 in. Crankshaft Undersize, Ford, Lincoln, Mercury, 351W, 351M, 400

Part Number: KGB-MB5505XP010

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air