1986 CHEVROLET K5 BLAZER King Engine Bearings Main Bearings

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: Today

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: Today

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

Part Number: KGB-MB557SISTDX

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Main Bearings, SI-Series, Silicon Aluminum, 0.50mm. Crankshaft Undersize, Chevy, 6.2, 6.5L Diesel, Set of 5

Part Number: KGB-MB5257SI05

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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