OLDSMOBILE Main Bearings

Main Bearings, Competition, 0.010 in. Crankshaft Undersize, Tri Metal, 3/4 Groove, Chevy, 302, 305, 350, Set of 5

Part Number: SLP-139M10

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/17/2025

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Main Bearings, .001 in. Over Size, Tri Metal, 1/2 Groove, Chevrolet, Small Block, Set of 5

Part Number: SLP-4663M1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/17/2025

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Main Bearing Set, 0.001 in. Crankshaft Undersize, Super Duty Alloy, H-14, 3/4 Groove, Even-Fire, Buick, Chevy, V6, 3.8L, Set of 4

Part Number: SLP-107M1

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Estimated Ship Date: Monday 11/17/2025

Main Bearings, Competition, 0.001 in. Crankshaft Undersize, Tri Metal, 3/4 Groove, Chevy, 302, 305, 350, Set of 5

Part Number: SLP-139M1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/17/2025

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Main Bearings, GM Genuine Parts Crankshaft Main Bearings, Direct Replacement, Stock Size, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Saturn, Set

Part Number: ADO-12591092

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/17/2025

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Main Bearings, SI-Series, 1/2 Groove, .010 in. Crankshaft Undersize, Bi-metal, Aluminum Silicon, Chevy, 400, Set of 5

Part Number: KGB-MB509SI010

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/17/2025

Main Bearings, P Series, 1/2 Groove, .010 in. Crankshaft Undersize, Tri Metal, Oldsmobile, 260, 307, 330, 350, 403, Set 5

Part Number: CLE-MS805P10

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/17/2025

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Main Bearing Set;

Part Number: SLP-4124MA

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/17/2025

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Main Bearings, 1/2 Groove, .040 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set of 5

Part Number: KGB-MB557SI040

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Estimated Ship Date: Monday 11/17/2025

Main Bearings, P Series, 1/2 Groove, Standard Size, Tri Metal, Oldsmobile, 260, 307, 330, 350, 403, Set of 5

Part Number: CLE-MS805P

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Estimated Ship Date: Monday 11/17/2025

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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 11/17/2025

Main Bearings, Competition, 0.020 in. Crankshaft Undersize, Super Duty Alloy, H-14, 3/4 Groove, Pontiac, 350, 389, 400, Set of 5

Part Number: SLP-113M20

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Main Bearing Set, GENERAL MOTORS 262, 267, 302, 307, 327, 350 - pMaxKote

Part Number: KGB-MB557XPC020

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Estimated Ship Date: Monday 11/17/2025

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Main Bearings, XP-Series, Copper/Lead/Nickel, 0.001 in. Crankshaft Undersize, Chevy, 400, Set of 5

Part Number: KGB-MB509XP001

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Estimated Ship Date: Monday 11/17/2025

Main Bearings, AM-Series, Full Groove, Standard Size, Bi Metal, Oldsmobile, 260, 307, 330, 350, 403, Set of 5

Part Number: KGB-MB5514AM

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 10, 2026 if ordered today

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Main Bearings, 0.010 in. Crankshaft Undersize, Tri Metal, Full Groove, Chevy, V6, 3.3L, 3.8L, 4.3L, Set of 4

Part Number: SLP-5085M10

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Estimated Ship Date: Monday 11/17/2025

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Main Bearings, Competition, 0.011 in. Crankshaft Undersize, Tri Metal, 3/4 Groove, Chevy, 302, 305, 350, Set of 5

Part Number: SLP-139M11

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Estimated Ship Date: Monday 11/17/2025

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Main Bearings, AM-Series, 1/2 Groove, .010 in. Crankshaft Undersize, Bi Metal, Buick, Land Rover, MG, Rover, V8, Set of 5

Part Number: KGB-MB589AM010

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/17/2025

Main Bearings, 0.010 in. Crankshaft Undersize, Bi Metal, 3/4 Groove, Chevy, V6, 3.3L, 3.8L, 4.3L, Set of 4

Part Number: SLP-5085MA10

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

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Main Bearings, Competition, 0.020 in. Crankshaft Undersize, Tri Metal, 3/4 Groove, Chevy, 302, 305, 350, Set of 5

Part Number: SLP-139M20

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Estimated Ship Date: Monday 11/17/2025

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Main Bearings, 0.020 Tri Metal, Full Groove, 4.3, 5.7 Diesel, 400, 425, 455 Gas, Oldsmobile, Set of 5

Part Number: SLP-4294M20

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/17/2025

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Main Bearings, MA Series, Direct Replacement, 0.010 in. Crankshaft Undersize, AMC, Buick, Chevrolet, GMC, Jeep, Oldsmobile, Pontiac, 2.5L, Set of 5

Part Number: SLP-6689MA10

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Main Bearing Set;

Part Number: SLP-4663MA20

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/17/2025

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Main Bearings, Aluglide, A-Series, Grooved, Bi-Metal, Aluminum/Tin/Silicon, 0.001 in. Extra Clearance, Stock Crank, Chevy, Stutz, 6.6L, Set of 5

Part Number: PEB-5M1038A-01

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Estimated Ship Date: Monday 11/17/2025

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

Part Number: KGB-MB557HP011

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Estimated Ship Date: Feb 12, 2026 if ordered today

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