Availability
Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, 351 Windsor .001 undersize (thicker), 3/4 Upper and Lower groove, set
Part Number: SUM-1432H01
Not Yet Reviewed
Estimated Ship Date: Monday 12/1/2025
Estimated Ship Date: Monday 12/1/2025
Main Bearing, Mitsubishi 4G63/T, 4G64 -1997+ w/TW .001 Undersize, Set
Part Number: SUM-1219H1
Not Yet Reviewed
Estimated Ship Date: Monday 12/1/2025
Estimated Ship Date: Monday 12/1/2025
Main Bearings, AM-Series, Alecular Silicon, 0.75mm Crankshaft Undersize, for use on Acura®, Honda®, Set of 5
Part Number: KGB-MB5568AM075
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Main Bearings, AM-Series, Alecular Silicon, 0.25mm Crankshaft Undersize, for use on Acura®, Honda®, Set of 5
Part Number: KGB-MB5568AM025
Not Yet Reviewed
Estimated Ship Date: Monday 12/1/2025
Estimated Ship Date: Monday 12/1/2025
Main Bearing, Subaru EJ15,16,18,20,22,25,20T,20TT,22T,25T thrust #3 Standard Size, Set
Part Number: SUM-8297HS
Not Yet Reviewed
Estimated Ship Date: Monday 12/1/2025
Estimated Ship Date: Monday 12/1/2025
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: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Main Bearings, SI-Series, Silicon Aluminum, 0.25mm. Crankshaft Undersize, Ford, 3.8, 3.9, 4.2L, Set of 4
Part Number: KGB-MB4034SI025
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Main Bearings, 0.020 in. Crankshaft Undersize, Bi Metal, 3/4 Groove, Chevy, V6, 3.3L, 3.8L, 4.3L, Set of 4
Part Number: SLP-5085MA20
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Main Bearings, H-Series, 0.020 in. Crankshaft Undersize, Tri Metal, Oldsmobile, 400, 425, 455, Set of 5
Part Number: CLE-MS804H20
Not Yet Reviewed
Estimated Ship Date: Jan 9, 2026 if ordered today
Estimated Ship Date: Jan 9, 2026 if ordered today
Main Bearings, AM-Series, Alecular Silicon, 0.75mm Crankshaft Undersize, Ford, 2.3, 2.5L, Set of 5
Part Number: KGB-MB5278AM075
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Main Bearings, XP-Series, Tri-metal, 0.25mm. Crankshaft Undersize, Nissan Skyline 2.6L RB26DETT Only, Set of 7
Part Number: KGB-MB7092XP025
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Main Bearings, AM-Series, Alecular Silicon, 0.50mm Crankshaft Undersize, Ford, 2.3, 2.5L, Set of 5
Part Number: KGB-MB5278AM05
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Main Bearings, SI-Series, Silicon Aluminum, 0.25mm. Crankshaft Undersize, Chevy, 2.8, 3.1, 3.4L, Set of 4
Part Number: KGB-MB4080SI025
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Main Bearings, AM-Series, Full Groove, Standard Size, Bi Metal, for Nissan, 2.0, 2.2, 2.4L, Set 5
Part Number: KGB-MB5233AM
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Summit Precision High-Tensile Tri-Metal Alloy COATED Racing Main Bearings, SBC 327 Main .010 undersize (thicker), 3/4 Upper and Lower groove, set
Part Number: SUM-429HC010
Not Yet Reviewed
Estimated Ship Date: Monday 12/1/2025
Estimated Ship Date: Monday 12/1/2025
Main Bearings, SI-Series, 1/2 Groove, 0.030 in. Over Size, Bi-metal, Silicon Aluminum, Ford, Flathead V8, Set
Part Number: KGB-MB3351SI030
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Main Bearings, Race Series Main Bearing Sets, 0.010 in. Crankshaft Undersize, Tri-metal Copper-lead Alloy, Ford, 5.0L, Set of 5
Part Number: SUM-5655H25
Not Yet Reviewed
Estimated Ship Date: Monday 12/1/2025
Estimated Ship Date: Monday 12/1/2025
Summit Precision High-Tensile Tri-metal Alloy COATED Racing Main Bearings, Ford Cleveland .001 undersize (thicker), 3/4 Upper and Lower groove, set
Part Number: SUM-1010HC01
Not Yet Reviewed
Estimated Ship Date: Monday 12/1/2025
Estimated Ship Date: Monday 12/1/2025
Main Bearings, King XP-Series Main Bearings, Stock Size, Tri-Metal, Subaru, Sold as a Set
Part Number: KGB-MB5739XPG
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Main Bearings, Race Series Main Bearing Sets, 0.001 in. Crankshaft Undersize, Tri-metal Copper-lead Alloy, Ford, Small Block Windsor 302, Set of 5
Part Number: SUM-590HXCS
Not Yet Reviewed
Estimated Ship Date: Monday 12/1/2025
Estimated Ship Date: Monday 12/1/2025
Main Bearings, SI-Series, Full Groove, .040 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford, Set of 5
Part Number: KGB-MB5504SI040
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Main Bearings, AM-Series, Full Groove, Standard Size, Bi Metal, Toyota, 1.6, 1.8L, Set of 5
Part Number: KGB-MB552AM
Not Yet Reviewed
Estimated Ship Date: Monday 12/1/2025
Estimated Ship Date: Monday 12/1/2025
Main Bearings, King AM-Series Main Bearings, Stock Size, Bi-Metal, Volvo, Sold as a Set of 5
Part Number: KGB-MB612AM
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Main Bearings, Race Series Main Bearing Sets, 0.010 in. Crankshaft Undersize, Tri-metal Copper-lead Alloy, Ford, 4.6L, Set of 5
Part Number: SUM-5647H25
Not Yet Reviewed
Estimated Ship Date: Monday 12/1/2025
Estimated Ship Date: Monday 12/1/2025
Main Bearing, Toyota 2ZZ-GE Standard Size Extra Clearance, Set
Part Number: SUM-1857HXS
Not Yet Reviewed
Estimated Ship Date: Monday 12/1/2025
Estimated Ship Date: Monday 12/1/2025
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