CHEVROLET 5.4L/327 Main Bearings

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: Tomorrow

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: Tomorrow

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: Tomorrow

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: Tomorrow

Main Bearings, HP-Series, Silicon Aluminum, 0.030 in. Crankshaft Undersize, Chevy, Small Block, Set of 5

Part Number: KGB-MB557HP030

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Main Bearings, Direct Replacement, 0.030 in. Crankshaft Undersize, Tri Metal, Full Groove, Chevy, 283, 327, Set of 5

Part Number: SLP-994M30

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Main Bearings, SI-Series, Silicon Aluminum, 0.030 in. Crankshaft Undersize, Chevy, Small Block, Set of 5

Part Number: KGB-MB5183SI030

Not Yet Reviewed

Estimated Ship Date: Jul 15, 2026 if ordered today

• Drop Ship
• Special Order

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

Part Number: KGB-MB554AM030

Not Yet Reviewed

Estimated Ship Date: Jul 15, 2026 if ordered today

• Drop Ship
• Special Order

Main Bearings, SI-Series, Silicon Aluminum, 0.030 in. Crankshaft Undersize, Chevy, Small Block, Set of 5

Part Number: KGB-MB5184SI030

Not Yet Reviewed

Estimated Ship Date: Jul 15, 2026 if ordered today

• Drop Ship
• Special Order