CHEVROLET 5.4L/327 Main Bearings Engines & Components

Clevite P-Series Main Bearings MS-909P

Main Bearings, P Series, 1/2 Groove, Standard Size, Tri Metal, Chevy, Small Block, Set of 5

Part Number: CLE-MS909P

4.67 out of 5 stars ( 24 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Summit Racing™ SBC Main Bearings SUM-172000

Main Bearings, 1/2 Groove, Standard Size, Bi Metal, Silicon Aluminum, Chevrolet, Small Block, Set of 5

Part Number: SUM-172000

4.89 out of 5 stars ( 38 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Clevite P-Series Main Bearings MS-909P-10

Main Bearings, P Series, 1/2 Groove, .010 in. Crankshaft Undersize, Tri Metal, Chevy, Small Block, Set of 5

Part Number: CLE-MS909P10

4.85 out of 5 stars ( 27 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Sealed Power Main Bearing Sets 4663M

Main Bearings, Standard Size, Tri Metal, 1/2 Groove, Chevrolet, Small Block, Set of 5

Part Number: SLP-4663M

4.62 out of 5 stars ( 13 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Clevite P-Series Main Bearings MS-909P-20

Main Bearings, P Series, 1/2 Groove, .020 in. Crankshaft Undersize, Tri Metal, Chevy, Small Block, Set of 5

Part Number: CLE-MS909P20

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Summit Racing™ SBC Main Bearings SUM-172010

Main Bearings, 1/2 Groove, .010 in. Crankshaft Undersize, Bi Metal, Silicon Aluminum, Chevy, Small Block, Set of 5

Part Number: SUM-172010

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

King SI-Series Main Bearings MB 557SI

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

Part Number: KGB-MB557SI

4.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Clevite P-Series Main Bearings MS-909P-1

Main Bearings, P Series, 1/2 Groove, .001 in. Crankshaft Undersize, Tri Metal, Chevy, Small Block, Set of 5

Part Number: CLE-MS909P1

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Clevite P-Series Main Bearings MS-429P-10

Main Bearings, P Series, 1/2 Groove, .010 in. Crankshaft Undersize, Tri Metal, Chevy, 265, 283, 302, 327, Set of 5

Part Number: CLE-MS429P10

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Sealed Power Main Bearing Sets 4663M 10

Main Bearings, .010 in. Undersize, Tri Metal, 1/2 Groove, Chevrolet, Small Block, Set of 5

Part Number: SLP-4663M10

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Sealed Power Main Bearing Sets 994M

Main Bearings, Tri Metal, Standard Size, Chevy, 283, 327, Set of 5

Part Number: SLP-994M

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

King SI-Series Main Bearings MB 557SI 010

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

Part Number: KGB-MB557SI010

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Summit Racing™ SBC Main Bearings SUM-172020

Main Bearings, 1/2 Groove, .020 in. Crankshaft Undersize, Bi Metal, Silicon Aluminum, Chevy, Small Block, Set of 5

Part Number: SUM-172020

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Sealed Power Main Bearing Sets 994M 10

Main Bearings, Tri Metal, 0.010 in. Crankshaft Undersize, Chevy, 283, 327, Set of 5

Part Number: SLP-994M10

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

King SI-Series Main Bearings MB 557SI 001

Main Bearings, 1/2 Groove, .001 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set of 5

Part Number: KGB-MB557SI001

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Clevite P-Series Main Bearings MS-429P-20

Main Bearings, P Series, 1/2 Groove, .020 in. Crankshaft Undersize, Tri Metal, Chevy, 265, 283, 302, 327, Set of 5

Part Number: CLE-MS429P20

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Sealed Power Main Bearing Sets 4663M 20

Main Bearings, .020 in. Over Size, Tri Metal, 1/2 Groove, Chevrolet, Small Block, Set of 5

Part Number: SLP-4663M20

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

King SI-Series Main Bearings MB 557SI 020

Main Bearings, 1/2 Groove, .020 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set of 5

Part Number: KGB-MB557SI020

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Sealed Power Main Bearing Sets 4663M 1

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 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Summit Racing™ SBC Main Bearings SUM-172030

Main Bearings, 1/2 Groove, .030 in. Crankshaft Undersize, Bi Metal, Silicon Aluminum, Chevy, Small Block, Set of 5

Part Number: SUM-172030

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Sealed Power Main Bearing Sets 994M 20

Main Bearings, Tri Metal, 0.020 in. Crankshaft Undersize, Chevy, 283, 327, Set of 5

Part Number: SLP-994M20

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Sealed Power Main Bearing Sets 4663M 30

Main Bearings, .030 in. Over Size, Tri Metal, 1/2 Groove, Chevrolet, Small Block, Set of 5

Part Number: SLP-4663M30

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Clevite P-Series Main Bearings MS-429P-30

Main Bearings, P Series, 1/2 Groove, .030 in. Crankshaft Undersize, Tri Metal, Chevy, 265, 283, 302, 327, Set of 5

Part Number: CLE-MS429P30

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

King SI-Series Main Bearings MB 557SI 030

Main Bearings, 1/2 Groove, .030 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set of 5

Part Number: KGB-MB557SI030

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

King SI-Series Main Bearings MB 557SI 040

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

Part Number: KGB-MB557SI040

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air