Availability
Main Bearings, AM-Series, Full Groove, Standard Size, Bi Metal, Ford, Mercury, 330-428, FE, FT, Set 5
Part Number: KGB-MB559AM
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
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: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
MAIN BEARING SET
Part Number: CLE-MS829H21
Not Yet Reviewed
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Main Bearings, Competition, 0.001 in. Extra Clearance, Tri Metal, 3/4 Groove, Ford, Big Block, Set of 5
Part Number: SLP-134M1X
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, SBC 350 Main .001 Extra Clearance for .010 undersize, Half-Upper groove, set
Part Number: SUM-909H009
Not Yet Reviewed
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Main Bearings, 1/2 Groove, .001 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set of 5
Part Number: KGB-MB557SI001
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Main Bearings, XP-Series, Standard Size, Chevy, 400, Set of 5
Part Number: KGB-MB509XP
Not Yet Reviewed
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Main Bearings, P Series, 1/2 Groove, .010 in. Crankshaft Undersize, Tri Metal, Chevy, 400 Small Block, Set of 5
Part Number: CLE-MS1038P10
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Main Bearings, XP-Series, Narrowed, Tri-metal, 1/2 Groove Style, 0.010 in. Crankshaft Undersize, Chevrolet, Big Block, Set of 5
Part Number: KGB-MB556XPN010
Not Yet Reviewed
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
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: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Main Bearings, Competition, 0.001 in. Oversize, Tri Metal, 3/4 Groove, Ford, 351M, 351W, 400, Set
Part Number: SLP-130M1X
Not Yet Reviewed
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Main Bearing Set;
Part Number: SLP-4221M20
Not Yet Reviewed
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, BBF 460 .001 Extra Clearance, 3/4 Upper and Lower groove, set
Part Number: SUM-1039HXS
Not Yet Reviewed
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Main Bearings, Competition Series, 0.010 in. Crankshaft Undersize, Tri Metal, 3/4 Groove, Pontiac, 421, 455, Set of 5
Part Number: SLP-151M10
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Main Bearings, King XP-Series Coated Main Bearings, Stock Size, 3/4 Groove, Tri-Metal, Ford, Sold as a Set
Part Number: KGB-B5283XPCSTDX
Not Yet Reviewed
Estimated Ship Date: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 2026 if ordered today
Main Bearings, 1/2 Groove, Standard Size, Bi-metal, Silicon Aluminum, Ford Modular V8, Set of 5
Part Number: KGB-MB5280SI
Not Yet Reviewed
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Main Bearings, King HP-Series Main Bearings, Stock Size, Bi-Metal, Ford, Sold as a Set of 5
Part Number: KGB-MB5503HP
Not Yet Reviewed
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Main Bearings, MA Series, 0.020 in. Crankshaft Undersize, Bi Metal, 1/2 Groove, Ford, Lincoln, Mercury, V8, 221, 260, 289, 302, Set of 5
Part Number: SLP-4125MA20
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Main Bearings, G Series, Standard Size, Tri Metal, Pontiac, V8, Set of 5
Part Number: CLE-MS483G
Not Yet Reviewed
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Main Bearings, XP-Series, Copper/Lead/Nickel, 0.010 in. Crankshaft Undersize, Ford, 4.6, 5.4L, Set of 5
Part Number: KGB-MB5280XP025
Not Yet Reviewed
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, 2009+ 5.7, 6.2 and 6.4 G3 Hemi .001 Extra Clearance, 1/2 Upper groove, set
Part Number: SUM-2221HXS
Not Yet Reviewed
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Main Bearings, XP-Series, Copper/Lead/Nickel, 0.011 in. Crankshaft Undersize, Chevy, 4.8, 5.3, 5.7, 6.0L, Set
Part Number: KGB-MB5013XP011
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Main Bearings, H Series, 1/2 Groove, .020 in. Crankshaft Undersize, Tri Metal, Chevy, 400 Small Block, Set of 5
Part Number: CLE-MS1038H20
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Main Bearings, MA-Series, Bi Metal, Standard Size, Ford, Lincoln, Mercury, 4.6L, Set of 5
Part Number: SLP-7296MA
Not Yet Reviewed
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
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