Engine Bearings & Spacers

Main Bearings, Race Series Main Bearing Sets, 0.001 in. Crankshaft Undersize, Tri-metal Copper-lead Alloy, Chevrolet, Big Block, Set of 5

Part Number: SUM-829HXNCS

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Main Bearings, AM-Series, 3/4 Groove, Standard Size, Bi Metal, Ford, 2.3, 2.5L, Set of 5

Part Number: KGB-MB5278AM

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, SBC 400 .010 undersize (thicker), 3/4 Upper and Lower groove, set

Part Number: SUM-1038H010

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Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, BBF 460 .010 undersize (thicker), 3/4 Upper and Lower groove, set

Part Number: SUM-1039H010

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

Part Number: SUM-429HC001

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Main Bearings, Race Series Main Bearing Sets, Stock Crankshaft Size, Tri-metal Copper-lead Alloy, Chevrolet, Big Block, Set of 5

Part Number: SUM-829HCS

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Rod Bearings, XP-Series, Copper/Lead/Nickel, 0.050 in. Undersize, Ford, 4.6, 5.4L, Set of 8

Part Number: KGB-CR868XPN050

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Rod Bearings, HP-Series, Silicon Aluminum, 0.020 in. Crankshaft Undersize, Ford, 221, 255, 260, 289, 302, Set of 8

Part Number: KGB-CR804HPN020

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Summit Precision High-Tensile Tri-Metal Alloy Racing Rod Bearings, SBF Cleveland, .010 undersize (thicker), set

Part Number: SUM-927H010

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Rod Bearings, P-Series, Standard Size, Chevy, Small Block, 305, 307, 327, 350, Set of 8

Part Number: EW1-CB663P

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Main Bearings, King SM-Series Main Bearings, Stock Size, Bi-Metal, Audi, Sold as a Set of 5

Part Number: KGB-MB5778SM

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Main Bearings, AM-Series, 1/2 Groove, .010 in. Crankshaft Undersize, Bi Metal, Buick, Land Rover, MG, Rover, V8, Set of 5

Part Number: KGB-MB589AM010

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

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Main Bearings, Race Series Main Bearing Sets, 0.001 in. Crankshaft Undersize, Tri-metal Copper-lead Alloy, Chevrolet, Big Block, Set of 5

Part Number: SUM-829H001

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Main Bearings, XP-Series, Copper/Lead/Nickel, 0.020 in. Undersize, Chevy, Big Block, Set of 5

Part Number: KGB-MB556XP020X

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Rod Bearings, King XP-Series Rod Bearings, .001 in., .025 mm Crankshaft Undersize, Tri-Metal, Chevy, Sold as a Set of 8

Part Number: KGB-CR8028XPC001

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Rod Bearings, XPC-Series, 0.001 in. Crankshaft Undersize, Tri Metal, AMC, Chevy, V8, Small Journal, Set of 8.

Part Number: KGB-CR803XPNC001

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Rod Bearings, XP-Series, Silicon Aluminum, 0.001 in. Crankshaft Undersize, Ford, 221, 255, 260, 289, 302, Set of 8

Part Number: KGB-CR804XPND001

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Estimated Ship Date: Feb 23, 2026 if ordered today

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

Part Number: KGB-CR803HPN010

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Estimated Ship Date: Feb 23, 2026 if ordered today

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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: Feb 23, 2026 if ordered today

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Main Bearings, Competition, 0.020 in. Crankshaft Undersize, Super Duty Alloy, H-14, 3/4 Groove, Pontiac, 350, 389, 400, Set of 5

Part Number: SLP-113M20

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Estimated Ship Date: Dec 15, 2025 if ordered today

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

Part Number: KGB-MB557HP011

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Main Bearings, AM-Series, Alecular Silicon, Standard Size, BMW, 2.5L, 2.7L, 2.8L, Set of 5

Part Number: KGB-MB7039AM

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Rod Bearings, SI-Series, Silicon Aluminum, 0.010 in. Crankshaft Undersize, Ford, 4.6, 5.4L, Set of 8

Part Number: KGB-CR868SI025

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Rod Bearings, Standard Size, Bi-metal, Silicon Aluminum, Ford. Set of 8

Part Number: KGB-CR804SISTDX

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