Availability
1968 Main Bearings
Main Bearings, XP-Series, Copper/Lead/Nickel, 0.001 in. Crankshaft Undersize, Chevy, 265, 283, 302, 327, Set of 5
Part Number: KGB-MB554XP001
Not Yet Reviewed
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 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: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 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: Mar 17, 2026 if ordered today
Estimated Ship Date: Mar 17, 2026 if ordered today
Main Bearings, 0.040 in. Crankshaft Undersize, Tri Metal, 1/2 Groove, Ford, 385 Series Big Block, 429, 460, Set of 5
Part Number: SLP-4907M40
Not Yet Reviewed
Estimated Ship Date: Mar 18, 2026 if ordered today
Estimated Ship Date: Mar 18, 2026 if ordered today
Main Bearing Set;
Part Number: SLP-4124MA40
Not Yet Reviewed
Estimated Ship Date: Mar 18, 2026 if ordered today
Estimated Ship Date: Mar 18, 2026 if ordered today
Main Bearings, 0.030 in. Crankshaft Undersize, Tri Metal, Full Groove, Ford, L6, 4.9L, Set of 7
Part Number: SLP-4916M30
Not Yet Reviewed
Estimated Ship Date: Mar 18, 2026 if ordered today
Estimated Ship Date: Mar 18, 2026 if ordered today
Main Bearings, HP-Series, Silicon Aluminum, 0.030 in. Crankshaft Undersize, Ford, Lincoln, Mercury, Set of 5
Part Number: KGB-MB529HP030
Not Yet Reviewed
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
Main Bearings, MA Series, Direct Replacement, 0.020 in. Crankshaft Undersize, Chevrolet, GMC, Set of 5
Part Number: SLP-7122MA20
Estimated Ship Date: Mar 19, 2026 if ordered today
Estimated Ship Date: Mar 19, 2026 if ordered today
Main Bearings, HP-Series, Silicon Aluminum, 0.030 in. Crankshaft Undersize, Chevy, Small Block, Set of 5
Part Number: KGB-MB557HP030
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Main Bearings, Duraglide, P-Series, 1/2 Groove, Tri-Metal, Copper/Lead Alloy, 0.25mm/0.010 in. Undersize Crankshaft, Ford, 6.1L, 7.0L, 7.5L, Set of 5
Part Number: PEB-5M1039P-10
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Main Bearings, 0.040 in. Crankshaft Undersize, Bi Metal, 3/4 Groove, Buick, V6, 3.0L, 3.8L, Set of 4
Part Number: SLP-7144MA40
Not Yet Reviewed
Estimated Ship Date: Mar 19, 2026 if ordered today
Estimated Ship Date: Mar 19, 2026 if ordered today
Main Bearings, 0.010 in. Crankshaft Undersize, Bi-metal, Jeep, 3.8L, 4.0L, 4.2L, Set
Part Number: CWA-8133254K6
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Main Bearings, AL-Series, 1/2 Groove, AL-5, Standard Size, AMC, Buick, Chevy, Jeep, GMC, Oldsmobile, Pontiac, Set
Part Number: CLE-MS1733A
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Main Bearings, .060 in. Over Size, Tri Metal, 1/2 Groove, Chevrolet, Small Block, Set of 5
Part Number: SLP-4663M60
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Main Bearings, SI-Series, Silicon Aluminum, 0.030 in. Crankshaft Undersize, Chevy, Small Block, Set of 5
Part Number: KGB-MB5184SI030
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
Chry. Prod. V8, 273-318-326, 1956-73
Part Number: PEB-5M540A-STD
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Main Bearings, AM-Series, Standard Size, Bi Metal, Toyota, 2.0, 2.3, 2.6, 2.8L, Set of 7
Part Number: KGB-MB787AM
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Main Bearings, Aluglide, A-Series, Grooved, Bi-Metal, 0.02 in./0.50mm Undersize Crankshaft, Chevy, Excalibur, 6.5L, 6.6L, 7.0L, 7.4L, Set of 5
Part Number: PEB-5M829A-20
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
MAIN BEARING SET
Part Number: CLE-MS2406V
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Main Bearings, H Series, Standard Size, Alecular, Ford, Small Block, Set of 5
Part Number: EW1-MS590H
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Main Bearings, H Series, Standard Size, Alecular, Chevy, Big Block, Set of 5
Part Number: EW1-MS829H
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Main Bearing, Ford 302 351 Cleveland stroker using SBC Rod .001 Undersize, Set
Part Number: SUM-1010H-01
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Main Bearing, Ford 302 351 Cleveland stroker using SBC Rod .001 Undersize Coated, Set
Part Number: SUM-1010HC-001
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Main Bearing, Ford 302 351 Cleveland stroker using SBC Rod .010 Undersize Coated, Set
Part Number: SUM-1010HC-010
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Main Bearing, BB FORD 429 460 .010 Undersize, Set
Part Number: SUM-1039H-10
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster