Availability
Main Bearings
Main Bearings, 1/2 Groove, .001 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, GM V6, Set of 5
Part Number: KGB-MB445SI001
Not Yet Reviewed
Estimated Ship Date: Jul 7, 2026 if ordered today
Estimated Ship Date: Jul 7, 2026 if ordered today
Main Bearings, 0.010 in. Crankshaft Undersize, Bi Metal, 1/2 Groove, Buick, Chevy, Oldsmobile, Pontiac, 3.8L, Set of 4
Part Number: SLP-7288MA10
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, H Series, 0.001 in. Extra Clearance, Standard Size, Alecular, Chevy, Big Block, Set of 5
Part Number: EW1-MS829HX
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
MAIN BEARINGS
Part Number: CLE-MS2411F
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Engine Crankshaft Main Bearing Set 98-10 CHR/DOD 2.7L
Part Number: EGN-BC427JSTD
Not Yet Reviewed
Estimated Ship Date: Apr 29, 2026 if ordered today
Estimated Ship Date: Apr 29, 2026 if ordered today
Main Bearings, Aluglide, A-Series, Grooved, Bi-Metal Design, Aluminum/Tin/Silicon, 0.02 in./0.50mm Undersize Crankshaft, Chevy, GMC, 6.6L, Set of 5
Part Number: PEB-5M1038A-20
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, AM-Series, Alecular Silicon, 0.50mm Crankshaft Undersize, Ford, 2.0L, Set of 5
Part Number: KGB-MB545AM05
Not Yet Reviewed
Estimated Ship Date: Jul 7, 2026 if ordered today
Estimated Ship Date: Jul 7, 2026 if ordered today
Main Bearings, Duraglide, P-Series, 1/2 Groove, Tri-Metal, Copper/Lead Alloy, 0.02 in./0.50 mm Undersize Crankshaft, Ford, 4.2L, 4.7L, 5.0L, Set of 5
Part Number: PEB-5M590P-20
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
MAIN BEARINGS
Part Number: KGB-MB5876SI010
Not Yet Reviewed
Estimated Ship Date: Jul 7, 2026 if ordered today
Estimated Ship Date: Jul 7, 2026 if ordered today
MAIN BEARING SET, For FORD GODZILLA 7.3L
Part Number: KGB-MB5881SI
Not Yet Reviewed
Estimated Ship Date: Jul 7, 2026 if ordered today
Estimated Ship Date: Jul 7, 2026 if ordered today
Main Bearings, SI-Series, 1/2 Groove, .010 in. Crankshaft Undersize, Bi-metal, Aluminum Silicon, Jeep, 2.5L, Set 5
Part Number: KGB-MB5148SI010
Not Yet Reviewed
Estimated Ship Date: Jul 7, 2026 if ordered today
Estimated Ship Date: Jul 7, 2026 if ordered today
Main Bearings, 0.030 in. Crankshaft Undersize, Tri Metal, 1/2 Groove, Ford, 385 Series Big Block, 429, 460, Set of 5
Part Number: SLP-4907M30
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Main Bearing Set - TriArmor-1.6L 1.8L L4 Mazda B6/BP
Part Number: CLE-MS1802H
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Main Bearings, SI-Series, 1/2 Groove, Standard Size, Bi-metal, Silicon Aluminum, Ford, Mazda, 3.0L, Set of 4
Part Number: KGB-MB459SI
Not Yet Reviewed
Estimated Ship Date: Jul 7, 2026 if ordered today
Estimated Ship Date: Jul 7, 2026 if ordered today
Main Bearings, XP-Series, Copper/Lead/Nickel, Standard Size, Ford, 1.6L, Set of 5
Part Number: KGB-MB512XPSTDX
Not Yet Reviewed
Estimated Ship Date: Jul 7, 2026 if ordered today
Estimated Ship Date: Jul 7, 2026 if ordered today
Main Bearing, Mitsubishi 4G63/T, 4G64 -1997+ w/TW .001 Undersize, Set
Part Number: SUM-1219H1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, Ford, 240, 250, 300 6-cyl., 1966-1996, 0.030 in., Set
Part Number: KGB-MB7750SI030
Not Yet Reviewed
Estimated Ship Date: Jul 7, 2026 if ordered today
Estimated Ship Date: Jul 7, 2026 if ordered today
Main Bearings, SI-Series, Silicon Aluminum, 0.030 in. Crankshaft Undersize, Chevy, Small Block, Set of 5
Part Number: KGB-MB5183SI030
Not Yet Reviewed
Estimated Ship Date: Jul 7, 2026 if ordered today
Estimated Ship Date: Jul 7, 2026 if ordered today
Coated Race Bearing Set for TOYOTA 2JZGE, 2JZGTE, 24V 3.0L
Part Number: KGB-MB7084XPC05
Not Yet Reviewed
Estimated Ship Date: Jul 7, 2026 if ordered today
Estimated Ship Date: Jul 7, 2026 if ordered today
Main Bearings, SI-Series, 3/4 Groove, .010 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford, 2.9, 4.0L, Set 4
Part Number: KGB-MB4023SI010
Not Yet Reviewed
Estimated Ship Date: Jul 7, 2026 if ordered today
Estimated Ship Date: Jul 7, 2026 if ordered today
Main Bearings, H Series, Standard Size, Alecular, 400 Small Block Chevy, Set of 5
Part Number: EW1-MS1038H
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, Aluglide, A-Series, 1/2 Groove, Bi-Metal Design, Aluminum/Tin/Silicon, Stock Size Crankshaft, Mitsubishi, 2.0L, 2.4L, Set of 5
Part Number: PEB-5M1219A-STD
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, SI-Series, 1/2 Groove, .030 in. Crankshaft Undersize, Bi-metal, Aluminum Silicon, Jeep, Chrysler, Set of 5
Part Number: KGB-MB517SI030
Not Yet Reviewed
Estimated Ship Date: Jul 7, 2026 if ordered today
Estimated Ship Date: Jul 7, 2026 if ordered today
Main Bearing, Ford 2300 Stroker Single Plug VINs 1,6,A,B,M,Y 1974-97 Standard Size, Set
Part Number: SUM-1117HS
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, HP-Series, 3/4 Groove, .010 in. Undersize, Bi Metal, Chevy, Big Block, Set of 5
Part Number: KGB-MB5164HP010
Not Yet Reviewed
Estimated Ship Date: Jul 7, 2026 if ordered today
Estimated Ship Date: Jul 7, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster