CHEVROLET Chevy small block Gen I Bearings & Bearing Spacers

Main Bearings, HP-Series, Silicon Aluminum, 0.010 in. Crankshaft Undersize, Chevy, Small Block, Set of 5

Part Number: KGB-MB557HP010X

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 18, 2025 if ordered today

• Drop Ship
• Special Order

Main Bearings, HP-Series, Silicon Aluminum, 0.011 in. Crankshaft Undersize, Chevy, Small Block, Set of 5

Part Number: KGB-MB557HP011

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: KGB-MB509XP010

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

• Drop Ship
• Special Order

Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, SBC 350 Main .001 undersize (thicker), Half-Upper groove, set

Part Number: SUM-909H001

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Main Bearings, AM-Series, Full Groove, .020 in. Crankshaft Undersize, Bi Metal, Oldsmobile, 260, 307, 330, 350, 403

Part Number: KGB-MB5514AM020

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: KGB-MB5184SI040

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: SUM-745HD010

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

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

Part Number: SUM-745HD001

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Summit Precision High-Tensile Tri-Metal Alloy COATED Racing Rod Bearings, SBC/LS 2.100 pin, .837 width, .001 Extra Clearance for .010 undersize, set

Part Number: SUM-663HC001

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

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

Part Number: SUM-1227H01

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Summit Precision High-Tensile Tri-Metal Alloy Racing Rod Bearings, SBC 2.100 pin, .708 Narrowed, .001 Extra Clearance, set

Part Number: SUM-1227HXS

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

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

Part Number: SUM-745H001

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Main Bearings, AM-Series, Full Groove, .010 in. Crankshaft Undersize, Bi Metal, Oldsmobile, 260, 307, 330, 350, 403

Part Number: KGB-MB5514AM010

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2025 if ordered today

• Drop Ship
• Special Order

Main Bearings, AM-Series, Full Groove, Standard Size, Bi Metal, Oldsmobile, 260, 307, 330, 350, 403, Set of 5

Part Number: KGB-MB5514AM

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/22/2025

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

Part Number: SUM-1038H-01

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Main Bearing, Chevrolet Small Block 400 .010 Undersize, Set

Part Number: SUM-1038H-10

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

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

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

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

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Main Bearings, AM-Series, 1/2 Groove, .030 in. Crankshaft Undersize, Bi Metal, Chevy, 265, 283, 302, 327, Set of 5

Part Number: KGB-MB554AM030

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: KGB-CR8028XP001

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: KGB-MB509HP021

Not Yet Reviewed

Estimated Ship Date: Dec 16, 2025 if ordered today

• Drop Ship
• Special Order

Main Bearings, AM-Series, 1/2 Groove, .050 in. Undersize, Bi Metal, Chevy, 265, 283, 302, 327, Set of 5

Part Number: KGB-MB554AM050

Not Yet Reviewed

Estimated Ship Date: Dec 16, 2025 if ordered today

• Drop Ship
• Special Order

Main Bearings, AM-Series, 1/2 Groove, .060 in. Crankshaft Undersize, Bi Metal, Chevy, 265, 283, 302, 327, Set of 5

Part Number: KGB-MB554AM060

Not Yet Reviewed

Estimated Ship Date: Dec 16, 2025 if ordered today

• Drop Ship
• Special Order

Rod Bearings, XP-Series, .021 in. Crankshaft Undersize, Tri Metal, Large Journal, Chevy, Small Block, Set of 8

Part Number: KGB-CR807XPN021

Not Yet Reviewed

Estimated Ship Date: Dec 16, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: KGB-CR8028XP010

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order