Availability
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: Today
Estimated Ship Date: Today
Main Bearings, Competition, 0.001 in. Crankshaft Undersize, Tri Metal, 3/4 Groove, Chevy, 302, 305, 350, Set of 5
Part Number: SLP-139M1
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, HP Series, 1/2 Groove, Standard Size, Bi Metal, Pontiac, 5.3, 5.7, 6.4, 6.6L, Set
Part Number: KGB-MB5511HP
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, P Series, Full Groove, .020 in. Crankshaft Undersize, Tri Metal, Pontiac, V8, Set of 5
Part Number: CLE-MS496P20
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, P Series, 1/2 Groove, .010 in. Crankshaft Undersize, Tri Metal, Oldsmobile, 260, 307, 330, 350, 403, Set 5
Part Number: CLE-MS805P10
Estimated Ship Date: Today
Estimated Ship Date: Today
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:
CAMSHAFT BEARING SET
Part Number: CLE-SH718S
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, P Series, Full Groove, .030 in. Crankshaft Undersize, Tri Metal, Pontiac, V8, Set of 5
Part Number: CLE-MS496P30
Not Yet Reviewed
Estimated Ship Date: Nov 24, 2025 if ordered today
Estimated Ship Date: Nov 24, 2025 if ordered today
Main Bearings, HP-Series, .001in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set of 5
Part Number: KGB-MB557HP001
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, HP-Series, Silicon Aluminum, 0.020 in. Crankshaft Undersize, Chevy, Small Block, Set of 5
Part Number: KGB-MB557HP020
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, P Series, 1/2 Groove, .030 in. Crankshaft Undersize, Tri Metal, Chevy, Small Block, Set of 5
Part Number: CLE-MS909P30
Not Yet Reviewed
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 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: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
Main Bearings, H-Series, Performance, Stock Size, Tri Metal, Oldsmobile, 400, 425, 455, Set of 5
Part Number: CLE-MS804H
Not Yet Reviewed
Main Bearings, P Series, 1/2 Groove, Standard Size, Tri Metal, Oldsmobile, 260, 307, 330, 350, 403, Set of 5
Part Number: CLE-MS805P
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
MAIN BEARING SET
Part Number: CLE-MS909H21
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Cam Bearings, Steel Backed Babbit, Buick, Land Rover, Morgan, Rover, Triumph, Set
Part Number: SLP-1421M
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Cam Bearings, Direct Replacement, Steel Backed Babbit, Chevy, V6, 3.3L, 3.8L, 4.3L, Set
Part Number: SLP-1463M
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, XP-Series, Copper/Lead/Nickel, Standard Size, Chevy, 400, Set of 5
Part Number: KGB-MB509XPSTDX
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
Main Bearings, Standard Size, Tri Metal, 1/2 Upper and Lower Groove, Pontiac, 421, 428, 455, Set of 5
Part Number: CLE-MS667HX
Not Yet Reviewed
Need It Sooner? We recommend these similar substitute parts:
Rod Bearings, A-Series, Standard Size, Bi Metal, AMC, Buick, Chevy, GMC, Oldsmobile, Pontiac, Jeep, Rover
Part Number: SLP-8-2500RAA
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.