CHEVROLET Chevy small block Gen I Bearings & Bearing Spacers

Main Bearings, AM-Series, 1/2 Groove, .040 in. Crankshaft Undersize, Bi Metal, Chevy, 265, 283, 302, 327, Set of 5

Part Number: KGB-MB554AM040

5.0 out of 5 stars ( 1 )

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Summit Precision High-Tensile Tri-Metal Alloy Racing Rod Bearings, SBC 2.000 pin, .010 undersize (thicker), set

Part Number: SUM-745H010

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Summit Precision High-Tensile Tri-Metal Alloy Racing Rod Bearings, SBC 2.000 pin, .001 Extra Clearance, set

Part Number: SUM-745HXS

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Main Bearings, HP-Series, Silicon Aluminum, 0.001 in. Crankshaft Undersize, Chevy, 400, Set of 5

Part Number: KGB-MB509HP001

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Main Bearings, XP-Series, Copper/Lead/Nickel, 0.010 in. Crankshaft Undersize, Chevy, 400, Set of 5

Part Number: KGB-MB509XP010

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Main Bearings, SI-Series, Silicon Aluminum, 0.040 in. Crankshaft Undersize, Chevy, Small Block, Set of 5

Part Number: KGB-MB5184SI040

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Rod Bearings, .001 in Crankshaft Undersize, Tri Metal Copper-Lead Alloy, 1.889 in. Rod Journal, Set of 8

Part Number: KGB-CR8028XP001

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Summit Precision High-Tensile Tri-Metal Alloy Racing Rod Bearings, SBC/LS 2.100 pin, Doweled, .837 width, .010 undersize (thicker), set

Part Number: SUM-663HD010

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Main Bearings, XP-Series, Copper/Lead/Nickel, 0.001 in. Crankshaft Undersize, Chevy, 265, 283, 302, 327, Set of 5

Part Number: KGB-MB554XP001

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Summit Precision High-Tensile Tri-Metal Alloy Racing Rod Bearings, SBC 2.000 pin, Doweled, .001 undersize (thicker), set

Part Number: SUM-745HD001

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Summit Precision High-Tensile Tri-Metal Alloy Racing Rod Bearings, SBC 2.000 pin, .001 undersize (thicker), set

Part Number: SUM-745H001

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Summit Precision High-Tensile Tri-Metal Alloy Racing Rod Bearings, SBC 2.100 pin, .708 Narrowed, .001 undersize (thicker), set

Part Number: SUM-1227H01

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Rod Bearings, HP-Series, Silicon Aluminum, 0.010 in. Crankshaft Undersize, Large Journal, Chevy, Set of 8

Part Number: KGB-CR807HPND010

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 9, 2026 if ordered today

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Main Bearings, XPC-Series, 0.001 in. Crankshaft Undersize, Tri Metal, Chevy, 400, V8, Set of 5

Part Number: KGB-MB509XPC001

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Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, SBC 327 Main .001 undersize (thicker), 3/4 Upper and Lower groove, set

Part Number: SUM-429H001

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Summit Precision High-Tensile Tri-Metal Alloy Racing Rod Bearings, SBC 2.000 pin, Doweled, .010 undersize (thicker), set

Part Number: SUM-745HD010

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Estimated Ship Date: Today

Summit Precision High-Tensile Tri-Metal Alloy Racing Rod Bearings, SBC/LS 2.100 pin, Doweled, .837 width, .001 undersize (thicker), set

Part Number: SUM-663HD001

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Main Bearing, Chevrolet Small Block 400 .001 Undersize, Set

Part Number: SUM-1038H-01

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Main Bearings, XP-Series, Copper/Lead/Nickel, 0.010 in. Crankshaft Undersize, Chevy, 400, Set of 5

Part Number: KGB-MB509XP010X

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Rod Bearings, .010 in Crankshaft Undersize, Tri Metal Copper-Lead Alloy, 1.889 in. Rod Journal, Set of 8

Part Number: KGB-CR8028XP010

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Rod Bearings, XP-Series, .020 in. Crankshaft Undersize, .001 in. Extra Clearance, Tri Metal, Large Journal, Chevy, Small Block, Set of 8

Part Number: KGB-CR807XPN020X

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Main Bearing, XP-Series, Copper/Lead/Nickel, 0.020 in. Crankshaft Undersize, Chevy, Small Block, Set of 5

Part Number: KGB-MB557XP020X

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Rod Bearings, .040 in. Crankshaft Undersize, Bi Metal, Alecular Alloy, Oldsmobile, Set of 8

Part Number: KGB-CR817AM040

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Main Bearings, HP-Series, Silicon Aluminum, 0.021 in. Crankshaft Undersize, Chevy, 400, Set of 5

Part Number: KGB-MB509HP021

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Main Bearings, AM-Series, Full Groove, .030 in. Crankshaft Undersize, Bi Metal, Oldsmobile, 260, 307, 330, 350, 403

Part Number: KGB-MB5514AM030

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Estimated Ship Date: Feb 9, 2026 if ordered today

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