Sealed Power MA Series Main Bearings 7047MA .25MM

Name: Sealed Power MA Series Main Bearings
Brand: Sealed Power
SKU: SLP-7047MA25MM
Price: 70.99 USD
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Part Number: SLP-7047MA25MM

$70.99

Sealed Power MA Series Main Bearings

Main Bearings, 0.25mm Crankshaft Undersize, Bi Metal, 1/2 Groove, Buick, Chevy, GMC, Oldsmobile, Pontiac, Isuzu, L4, Set
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Sealed Power MA Series Main Bearings 7047MA .25MM

SLP-7047MA25MM

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Part Number: SLP-7047MA25MM

Estimated Ship Date: Mar 4, 2026

$70.99

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Overview

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Estimated Ship Date: Mar 4, 2026 Would you rather pick it up?

Overview

Brand:

Sealed Power

Manufacturer's Part Number:

7047MA .25MM

Part Type:

Main Bearings

Product Line:

Sealed Power MA Series Main Bearings

Summit Racing Part Number:

SLP-7047MA25MM

UPC:

614046633377

Bearing Usage:

Direct replacement

Engine Crankshaft Undersize (in.):

0.010 in.

Engine Crankshaft Undersize (mm):

0.25mm

Grooved Bearing:

Yes

Groove Location:

Upper

Groove Style:

1/2

Thrust Bearing Oversize:

Stock

Bearing Material:

Bi-metal aluminum alloy, A-Series

Quantity:

Sold as a set.

Sealed Power MA Series Main Bearings

These Sealed Power MA Series main bearings can actually polish the journals on your crankshaft. That's because there's a small percentage of silicon mixed in with the aluminum and tin that make up the bearing-surface alloy. The silicon is there for wear resistance, but its toughness actually smoothes the journals of a crank whose surface hasn't been optimized! This special surface alloy is laid over a high-strength 1010 steel backing and delivers improved seizure and corrosion resistance, as well as better control of wall variance. It also helps to minimize debris embedding, which can score the crank's surface.

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