Main Bearings

Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, Chevy LS, .002 undersize (thicker), Racing 270 Deg. Oil groove, set

Part Number: SUM-7298H02

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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

Part Number: SUM-1038H-10

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, Gen. V LT, .001 Extra Clearance, 180 or 360 thrust, set

Part Number: SUM-7292HXS

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Main Bearings, Competition, 0.010 in. Crankshaft Undersize, Tri Metal, 3/4 Groove, Chevy, 302, 305, 350, Set of 5

Part Number: SLP-139M10

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Main Bearings, Competition, 0.010 in. Crankshaft Undersize, Super Duty Alloy, 3/4 Groove, Chevy, Pontiac, 5.7L, Set of 5

Part Number: SLP-152M10

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Summit Precision High-Tensile Tri-metal Alloy COATED Racing Main Bearings, Ford Cleveland Standard Clearance, 3/4 Upper and Lower groove, set

Part Number: SUM-1010HCS

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Summit Precision High-Tensile Tri-Metal Alloy COATED Racing Main Bearings, SBC 327 Main Standard Clearance, 3/4 Upper and Lower groove, set

Part Number: SUM-429HCS

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Main Bearings, Competition Series, 0.010 in. Crankshaft Undersize, Super Duty Alloy, H-14, 3/4 Groove, Mopar, 360, Set of 5

Part Number: SLP-120M10

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, SBC 400 .001 undersize (thicker), 3/4 Upper and Lower groove, set

Part Number: SUM-1038H001

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, SBC 400 .001 Extra Clearance, 3/4 Upper and Lower groove, set

Part Number: SUM-1038HXS

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Main Bearings, 0.010 in. Crankshaft Undersize, Bi Metal, 3/4 Groove, Chevy, 400, Set of 5

Part Number: SLP-4926MA10

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Main Bearings, Competition Series, 0.001 Crankshaft Undersize, Tri Metal, 3/4 Groove, Chevy, 7.4L, Set of 5

Part Number: SLP-141M1X

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, BBF 460 .001 Extra Clearance, 3/4 Upper and Lower groove, set

Part Number: SUM-1039HXS

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 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

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Main Bearings, Race Series, Tri-Metal, 3/4 Groove, .020 in. Crankshaft Undersize, Chevrolet, LS, Set of 5

Part Number: PEB-5M7298H-20

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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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

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Main Bearings, Competition, 0.010 in. Crankshaft Undersize, Super Duty Alloy, H-14, 1/2 Groove, Oldsmobile, 400, 425, 455, Set of 5

Part Number: SLP-108M10

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Main Bearings, Competition, 0.001 in. Crankshaft Undersize, Tri Metal, 3/4 Groove, Chevy, 302, 305, 350, Set of 5

Part Number: SLP-139M1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Main Bearings, Competition, 0.011 in. Crankshaft Undersize, Tri Metal, 3/4 Groove, Chevy, 302, 305, 350, Set of 5

Part Number: SLP-139M11

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Main Bearings, Race Series Main Bearing Sets, 0.001 in. Crankshaft Undersize, Tri-metal Copper-lead Alloy, Ford, 5.0L, Set of 5

Part Number: SUM-5655HXS

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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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 4/20/2026 if shipped by air

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Summit Precision High-Tensile Tri-metal Alloy Racing Main Bearings, Ford Cleveland .001 Extra Clearance, 3/4 Upper and Lower groove, set

Part Number: SUM-1010HXS

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Main Bearings, Standard Size, Bi Metal, 3/4 Groove, Chevy, V6, 3.3L, 3.8L, 4.3L, Set of 4

Part Number: SLP-5085MA

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Main Bearing, BB FORD 429 460 .001 Undersize, Set

Part Number: SUM-1039H-01

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air