Availability
Rod Bearings, .040 in Crankshaft Undersize, Bi-metal, Silicon Aluminum, Set of 8
Part Number: KGB-CR865SI040
Not Yet Reviewed
Estimated Ship Date: Jan 20, 2026 if ordered today
Estimated Ship Date: Jan 20, 2026 if ordered today
Rod Bearings, HP-Series, Silicon Aluminum, 0.010 in. Crankshaft Undersize, Large Journal, Chevy, Set of 8
Part Number: KGB-CR807HPND010
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Main Bearings, HP-Series, Silicon Aluminum, 0.010 in. Crankshaft Undersize, Chevy, Small Block, Set of 5
Part Number: KGB-MB557HP010X
Estimated Ship Date: Jan 20, 2026 if ordered today
Estimated Ship Date: Jan 20, 2026 if ordered today
Main Bearings, XPC-Series, 0.001 in. Crankshaft Undersize, Tri Metal, Chevy, 400, V8, Set of 5
Part Number: KGB-MB509XPC001
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, XP-Series, Copper/Lead/Nickel, 0.010 in. Crankshaft Undersize, Chevy, 400, Set of 5
Part Number: KGB-MB509XP010X
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Main Bearings, AM-Series, 1/2 Groove, .060 in. Crankshaft Undersize, Bi Metal, Chevy, 265, 283, 302, 327, Set of 5
Part Number: KGB-MB554AM060
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
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: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Main Bearings, HP-Series, Silicon Aluminum, 0.021 in. Crankshaft Undersize, Chevy, 400, Set of 5
Part Number: KGB-MB509HP021
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Rod Bearings, HP-Series, Silicon Aluminum, 0.021 in. Crankshaft Undersize, Large Journal, Chevy, Set of 8
Part Number: KGB-CR807HPND021
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Connecting rod bearing
Part Number: KGB-CR624SI030
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Main Bearing Set
Part Number: KGB-MB752SI030
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Main Bearings, XP-Series, Narrowed, Tri-metal, 1/2 Groove Style, 0.020 in. Crankshaft Undersize, Chevrolet, Big Block, Set of 5
Part Number: KGB-MB556XPN020
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Rod Bearings, XP-Series, Copper/Lead/Nickel, 0.010 in. Crankshaft Undersize, Chevy, 265, 283, 302, 327, Set of 8
Part Number: KGB-CR803XPN010
Not Yet Reviewed
Estimated Ship Date: Jan 20, 2026 if ordered today
Estimated Ship Date: Jan 20, 2026 if ordered today
Main Bearings, HP-Series, 1/2 Groove, Bi-Metal, Silicon Aluminum, .001 in. Thinner Size, Chevy, Big Block, Set of 5
Part Number: KGB-MB556HPNSTDX
Need It Sooner? We recommend these similar substitute parts:
Main Bearings, 1/2 Groove, .001 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set of 5
Part Number: KGB-MB557SI001
Need It Sooner? We recommend these similar substitute parts:
Main Bearings, HP-Series, Silicon Aluminum, 0.030 in. Crankshaft Undersize, Chevy, 400, Set of 5
Part Number: KGB-MB509HP030
Not Yet Reviewed
Main Bearing Set, CHEVROLET 400 V8 - pMaxKote
Part Number: KGB-MB509XPC010
Not Yet Reviewed
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 Bearings, XP-Series, Narrowed, Tri-metal, 1/2 Groove Style, 0.001 in. Crankshaft Undersize, Chevrolet, Big Block, Set of 5
Part Number: KGB-MB556XPN001
Rod Bearings, HP-Series, .010 in. Narrow, Bi-metal, Silicon Aluminum, Large Journal, Chevy, Small Block, Set of 8
Part Number: KGB-CR807HPN010X
Main Bearings, 1/2 Groove, .001 in. Thinner, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set of 5
Part Number: KGB-MB557SISTDX
Main Bearings, XP-Series, Coated, Standard Size, Chevy, 400, Set of 5
Part Number: KGB-MB509XPC
Not Yet Reviewed
Need It Sooner? We recommend these similar substitute parts:
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
Main Bearings, 1/2 Groove, .040 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Big Block, Set of 5
Part Number: KGB-MB556SI040
Not Yet Reviewed
Connecting rod bearing
Part Number: KGB-CR624SI010
Not Yet Reviewed
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.