Availability
Main Bearings, SI-Series, 1/2 Groove, .020 in. Crankshaft Undersize, Bi-metal, Aluminum Silicon, Chevy, 400, Set of 5
Part Number: KGB-MB509SI020
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Main Bearings, HP-Series, Silicon Aluminum, 0.020 in. Crankshaft Undersize, Chevy, 400, Set of 5
Part Number: KGB-MB509HP020
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Main Bearings, 1/2 Groove, .030 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set of 5
Part Number: KGB-MB557SI030
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Rod Bearings, .040 in Crankshaft Undersize, Bi-metal, Silicon Aluminum, Large Journal, Chevy, Small Block, Set of 8
Part Number: KGB-CR807SI040
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Rod Bearings, 0.010 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Set of 8
Part Number: KGB-CR865SI010
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Main Bearings, XP-Series, Standard Size, Chevy, 400, Set of 5
Part Number: KGB-MB509XP
Not Yet Reviewed
Need It Sooner? We recommend these similar substitute parts:
Main Bearing Set, GENERAL MOTORS 262, 267, 302, 307, 327, 350 - pMaxKote
Part Number: KGB-MB557XPC020
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Main Bearings, XP-Series, Copper/Lead/Nickel, 0.001 in. Crankshaft Undersize, Chevy, 400, Set of 5
Part Number: KGB-MB509XP001
Not Yet Reviewed
Need It Sooner? We recommend these similar substitute parts:
Main Bearing Set, CHEVROLET 400 V8 - pMaxKote
Part Number: KGB-MB509XPC010
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Main Bearings, HP-Series, Silicon Aluminum, 0.030 in. Crankshaft Undersize, Chevy, 400, Set of 5
Part Number: KGB-MB509HP030
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
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
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Main Bearings, XP-Series, 1/2 Groove, Standard Size, Tri Metal, Pontiac V8, Set of 5
Part Number: KGB-MB5511XPSTDX
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Main Bearing, XP-Series, Copper/Lead/Nickel, 0.001 in. Crankshaft Undersize, Chevy, Small Block, Set of 5
Part Number: KGB-MB557XP001
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
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 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Main Bearings, SI-Series, 1/2 Groove, .010 in. Crankshaft Undersize, Bi-metal, Aluminum Silicon, Chevy, 400, Set of 5
Part Number: KGB-MB509SI010
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Main Bearings, 1/2 Groove, .001 in. Thinner, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set of 5
Part Number: KGB-MB557SISTDX
Main Bearings, King HP-Series Main Bearings, .010 in., .25 mm Crankshaft Undersize, Bi-Metal, Pontiac, Sold as a Set
Part Number: KGB-MB5511HP010
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Rod Bearings, HP-Series, .010 in. Narrow, Bi-metal, Silicon Aluminum, Large Journal, Chevy, Small Block, Set of 8
Part Number: KGB-CR807HPN010X
Rod Bearings, HP-Series, Silicon Aluminum, 0.001 in. Crankshaft Undersize, Large Journal, Chevy, Set of 8
Part Number: KGB-CR807HPND001
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Main Bearings, XP-Series, Copper/Lead/Nickel, Standard Size, Chevy, 400, Set of 5
Part Number: KGB-MB509XPSTDX
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Rod Bearings, SI-Series, Silicon Aluminum, Standard Size, Buick, Pontiac, Set of 8
Part Number: KGB-CR811SI
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Rod Bearings, .030 in Crankshaft Undersize, Tri Metal Copper-Lead Alloy, Set of 8
Part Number: KGB-CR815CP030
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Rod Bearings, HP-Series, .011 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Large Journal, Chevy, Small Block, Set of 8
Part Number: KGB-CR807HPN011
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Main Bearings, AM-Series, 1/2 Groove, Standard Size, Bi Metal, Buick, Land Rover, MG, Rover, V8, Set of 5
Part Number: KGB-MB589AM
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Main Bearings, SI-Series, 1/2 Groove, .030 in. Crankshaft Undersize, Bi-metal, Aluminum Silicon, Chevy, 400, Set of 5
Part Number: KGB-MB509SI030
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
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