Summit Racing Main Bearings

Main Bearings, Bi-Metal, Silicon Aluminum, Standard Size, GM Gen III/IV LS, Set of 5

Part Number: SUM-172300

4.75 out of 5 stars ( 16 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

Main Bearings, 1/2 Groove, Standard Size, Bi Metal, Silicon Aluminum, Chevrolet, Small Block, Set of 5

Part Number: SUM-172000

4.89 out of 5 stars ( 38 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

Main Bearings, 1/2 Groove, Standard Size, Bi Metal, Silicon Aluminum, Chevy, Big Block, Set of 5

Part Number: SUM-172200

4.69 out of 5 stars ( 13 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, Chevy LS, Standard Clearance, Racing 270 Deg. Oil groove, set

Part Number: SUM-7298HS

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Main Bearings, 1/2 Groove, .010 in. Crankshaft Undersize, Bi Metal, Silicon Aluminum, Chevy, Small Block, Set of 5

Part Number: SUM-172010

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

Main Bearings, 1/2 Groove, Standard Size, Bi Metal, Silicon Aluminum, Ford, 221-302, Set of 5

Part Number: SUM-172100

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, SBC 350 Main Standard Clearance, Half-Upper groove, set

Part Number: SUM-909HS

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Main Bearings, Bi-Metal, Silicon Aluminum, 0.010 in. Crankshaft Undersize, GM Gen III/IV LS, Set of 5

Part Number: SUM-172310

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

Main Bearings, 1/2 Groove, .020 in. Crankshaft Undersize, Bi Metal, Silicon Aluminum, Chevy, Small Block, Set of 5

Part Number: SUM-172020

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, Gen. V LT, Standard Clearance, 180 or 360 thrust, set

Part Number: SUM-7292HS

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, Chevy LS, .001 Extra Clearance, Racing 270 Deg. Oil groove, set

Part Number: SUM-7298HXS

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, SBC 350 Main .010 undersize (thicker), Half-Upper groove, set

Part Number: SUM-909H010

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Main Bearings, 1/2 Groove, .010 in. Crankshaft Undersize, Bi Metal, Silicon Aluminum, Chevy, Big Block, Set of 5

Part Number: SUM-172210

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

Summit Precision High-Tensile Tri-Metal Alloy COATED Racing Main Bearings, Chevy LS, Standard Clearance, Racing 270 Deg. Oil groove, set

Part Number: SUM-7298HCS

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, SBC 400 Standard Clearance, 3/4 Upper and Lower groove, set

Part Number: SUM-1038HS

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, Chevy LS, .001 Extra Clearance, Standard 120 Deg. Oil groove, set

Part Number: SUM-7299HXS

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, Chevy LS, Standard Clearance, Standard 120 Deg. Oil groove, set

Part Number: SUM-7299HS

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Main Bearings, 1/2 Groove, .020 in. Crankshaft Undersize, Bi Metal, Silicon Aluminum, Chevy, Big Block, Set of 5

Part Number: SUM-172220

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

Main Bearings, 1/2 Groove, .010 in. Crankshaft Undersize, Bi Metal, Silicon Aluminum, Ford, 221-302, Set of 5

Part Number: SUM-172110

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

Summit Precision High-Tensile Tri-Metal Alloy COATED Racing Main Bearings, BBF 460 Standard Clearance, 3/4 Upper and Lower groove, set

Part Number: SUM-1039HCS

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Main Bearings, 1/2 Groove, .030 in. Crankshaft Undersize, Bi Metal, Silicon Aluminum, Chevy, Small Block, Set of 5

Part Number: SUM-172030

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

Main Bearings, Race Series Main Bearing Sets, Stock Crankshaft Size, Tri-metal Copper-lead Alloy, Ford, 5.0L, Set of 5

Part Number: SUM-5655HS

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Main Bearings, Race Series Main Bearing Sets, Stock Crankshaft Size, Tri-metal Copper-lead Alloy, Ford, Small Block Windsor 302, Set of 5

Part Number: SUM-590HS

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

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

Part Number: SUM-1038H-10

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, Chevy LS, .001 undersize (thicker), Racing 270 Deg. Oil groove, set

Part Number: SUM-7298H01

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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