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Sealed Power MA Series Main Bearings 4125MA

$31.99

Main Bearing Set;

Estimated Ship Date: Today Would you rather pick it up? Select Location

Brand: Sealed Power
Manufacturer's Part Number: 4125MA
Part Type: Main Bearings
Summit Racing Part Number: SLP-4125MA

Bearing Usage: Direct replacement
Grooved Bearing: Yes
Groove Location: Upper and lower
Groove Style: Full
Bearing Material: Tri-metal copper-lead alloy
Quantity: Sold as a set of 5.
In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

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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2 Customer Reviews for Sealed Power 4125MA - Sealed Power MA Series Main Bearings

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bearings

Summit RacingSummit Racing Verified Purchase

very consistant fit and finish was great

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Reviewer: JOSH from OK

Date: June 30, 2014

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1983 5.0 RS mercury capri

Summit RacingSummit Racing Verified Purchase

those are great. good material good quality oil port are very large witch is good and after instalation there was no troble with the crank at all

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Reviewer: BENJAMIN from Canada

Date: March 17, 2014

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Some parts are not legal for sale or use in California on any pollution-controlled motor vehicles

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