CHEVROLET Engines & Components

Main Bearings, Bi-metal, Silicon Aluminum, 1/2 Groove Style, 0.020 in. Undersize, Chevy, Big Block, Set of 5

Part Number: KGB-MB556HP020X

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

• Drop Ship
• Special Order

Lifter Valley Plates, LS Valley, Billet Aluminum, Trussed, Natural Finish, 10-bolt Pattern, Chevy, LS, 4.8L, 5.3L, 5.7L, 6.0L, Each

Part Number: HLY-241-260

Not Yet Reviewed

Estimated Ship Date: Monday 10/13/2025

Main Bearings, XP-Series, Standard, Tri Metal Copper-Lead Nickel, Chevrolet, Buick, Cadillac, Pontiac, Saab, Saturn, Suzuki, V6, Set

Part Number: KGB-MB4272XP

Not Yet Reviewed

Estimated Ship Date: Monday 10/13/2025

Rod Bearings, XP-Series, Copper/Lead/Alloy, 0.001 in. Crankshaft Undersize, Chevy, Big Block, Set of 8

Part Number: KGB-CR808XPND001

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

• Drop Ship
• Special Order

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: Jan 8, 2026 if ordered today

• Drop Ship
• Special Order

Rod Bearings, .020 in. Crankshaft Undersize, Bi Metal, Alecular Alloy, Oldsmobile, Set of 8

Part Number: KGB-CR817AM020

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

• Drop Ship
• Special Order

Main Bearings, AM-Series, Full Groove, .020 in. Crankshaft Undersize, Bi Metal, Oldsmobile, 260, 307, 330, 350, 403

Part Number: KGB-MB5514AM020

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

• Drop Ship
• Special Order

Main Bearings, SI-Series, Silicon Aluminum, 0.040 in. Crankshaft Undersize, Chevy, Small Block, Set of 5

Part Number: KGB-MB5184SI040

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

• Drop Ship
• Special Order

Main Bearings, SI-Series, Silicon Aluminum, 0.020 in. Crankshaft Undersize, Chevy, GMC, Big Block, Set of 5

Part Number: KGB-MB5212SI020

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

• Drop Ship
• Special Order

Main Bearings, XP-Series, Copper/Lead/Nickel, 0.020 in. Undersize, Chevy, Big Block, Set of 5

Part Number: KGB-MB556XP020X

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

• Drop Ship
• Special Order

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 10/13/2025

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

Part Number: KGB-MB5724CP025

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

• Drop Ship
• Special Order

Rod Bearings, XP-Series, .021 in. Crankshaft Undersize, Tri Metal, Large Journal, Chevy, Small Block, Set of 8

Part Number: KGB-CR807XPN021

Not Yet Reviewed

Estimated Ship Date: Jan 7, 2026 if ordered today

• Drop Ship
• Special Order

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: Jan 7, 2026 if ordered today

• Drop Ship
• Special Order

Rod Bearings, HP-Series, Silicon Aluminum, 0.010 in. Crankshaft Undersize, Large Journal, Chevy, Set of 8

Part Number: KGB-CR807HPND010

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 8, 2026 if ordered today

• Drop Ship
• Special Order

Main Bearings, AM-Series, Full Groove, .010 in. Crankshaft Undersize, Bi Metal, Oldsmobile, 260, 307, 330, 350, 403

Part Number: KGB-MB5514AM010

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

• Drop Ship
• Special Order

Rod Bearings, XP-Series, Tri-metal, .020 in. Crankshaft Undersize, Narrowed, Cadillac, Chevrolet, Set of 8

Part Number: KGB-CR8057XPN020

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

• Drop Ship
• Special Order

Main Bearings, AM-Series, Full Groove, .030 in. Crankshaft Undersize, Bi Metal, Oldsmobile, 260, 307, 330, 350, 403

Part Number: KGB-MB5514AM030

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

• Drop Ship
• Special Order

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

Part Number: KGB-MB556XPC020

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

• Drop Ship
• Special Order

Main Bearings, SI-Series, Silicon Aluminum, 1.00mm. Crankshaft Undersize, Chevy, 6.2, 6.5L Diesel, Set of 5

Part Number: KGB-MB5257SI10

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

• Drop Ship
• Special Order

Main Bearings, AM-Series, 1/2 Groove, .050 in. Undersize, Bi Metal, Chevy, 265, 283, 302, 327, Set of 5

Part Number: KGB-MB554AM050

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

• Drop Ship
• Special Order

Rod Bearings, HP-Series, Silicon Aluminum, 0.021 in. Crankshaft Undersize, Large Journal, Chevy, Set of 8

Part Number: KGB-CR807HPND021

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

• Drop Ship
• Special Order

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: Jan 8, 2026 if ordered today

• Drop Ship
• Special Order

Crankshaft Main Bearings

Part Number: KGB-MB5398SI030

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

• Drop Ship
• Special Order

Main Bearings, HP-Series, Silicon Aluminum, 0.021 in. Crankshaft Undersize, Chevy, 400, Set of 5

Part Number: KGB-MB509HP021

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

• Drop Ship
• Special Order