Availability
Main Bearings, HP-Series, .001in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set of 5
Part Number: KGB-MB557HP001
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Main Bearings, 1/2 Groove, .020 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Big Block, Set of 5
Part Number: KGB-MB556SI020
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Crankshaft Main Bearing Spacer Set, for 350 Crankshaft in 400 Block, Bi-Metal, Set
Part Number: KGB-MB5224AM
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Rod Bearings, XP-Series, Copper/Lead/Alloy, 0.030 in. Crankshaft Undersize, Chevy, Big Block, Set of 8
Part Number: KGB-CR808XPN030
Not Yet Reviewed
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Main Bearings, 1/2 Groove, .030 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set of 5
Part Number: KGB-MB557SI030
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Main Bearings, XP-Series, Standard Size, Chevy, 400, Set of 5
Part Number: KGB-MB509XP
Not Yet Reviewed
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Rod Bearings, XP-Series, Tri-Metal, 0.010 in. Crankshaft Undersize, Narrowed, Dowel, Chevy, Big Block, Set of 8
Part Number: KGB-R808XPNDC010
Not Yet Reviewed
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Main Bearing, XP-Series, Copper/Lead/Nickel, 0.020 in. Crankshaft Undersize, Chevy, Small Block, Set of 5
Part Number: KGB-MB557XP020
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Main Bearings, King XP-Series Coated Main Bearings, Stock Size, Tri-Metal, Chevy, Sold as a Set of 5
Part Number: KGB-MB557XPCSTDX
Not Yet Reviewed
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
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 12/29/2025
Estimated Ship Date: Monday 12/29/2025
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 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Rod Bearings, XP-Series, Copper/Lead/Alloy, 0.010 in. Crankshaft Undersize, Chevy, Big Block, Set of 8
Part Number: KGB-CR808XPN010X
Not Yet Reviewed
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Rod Bearings, .030 in Crankshaft Undersize, Bi-metal, Silicon Aluminum, Large Journal, Chevy, Small Block, Set of 8
Part Number: KGB-CR807SI030
Not Yet Reviewed
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Main Bearings, HP-Series, Narrowed, Bi-metal, Silicon Aluminum, 1/2 Groove Style, 0.020 in. Crankshaft Undersize, Chevrolet, Big Block, Set of 5
Part Number: KGB-MB556HPN020
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Rod Bearings, XP-Series, Copper/Lead/Alloy, 0.010 in. Crankshaft Undersize, Chevy, Big Block, Set of 8
Part Number: KGB-CR808XPND010
Not Yet Reviewed
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Main Bearings, 1/2 Groove, .030 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Big Block, Set of 5
Part Number: KGB-MB556SI030
Not Yet Reviewed
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Rod Bearings, .020 in Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Big Block, Set of 8
Part Number: KGB-CR808SI020
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Main Bearing, XP-Series, Copper/Lead/Nickel, 0.011 in. Crankshaft Undersize, Chevy, Small Block, Set of 5
Part Number: KGB-MB557XP011
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Rod Bearings, 0.010 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Set of 8
Part Number: KGB-CR865SI010
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
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 12/29/2025
Estimated Ship Date: Monday 12/29/2025
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 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Rod Bearings, .010 in. Crankshaft Undersize, .001 in. Extra Clearance, Bi-metal, Silicon Aluminum, Chevy, Big Block
Part Number: KGB-CR808HPN010X
Not Yet Reviewed
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
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 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Rod Bearings, .030 in Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Big Block, Set of 8
Part Number: KGB-CR808SI030
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Rod Bearings, .001 in Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Big Block, Set of 8
Part Number: KGB-CR808SI001
Not Yet Reviewed
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
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