King MB 557XP XP Series Chevy 350 Large Journal Main Bearings

#910557XP

King MB 557XP XP Series Chevy 350 Large Journal Main Bearings

Name: King MB 557XP XP Series Chevy 350 Large Journal Main Bearings
Brand: King Bearings
SKU: 910557XP
Rating: 5 (7 reviews)

7 Reviews

5 Questions

The mains and rods are narrowed for large radius crankshafts
Mains are 1/2 grooved for uncompromised lower shell load capacity
Gives you a 15% - 30% greater load capacity than traditional bearings

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$95.99

/set

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Product Summary

Performance Bearing Usage, Grooved Bearing

The mains and rods are narrowed for large radius crankshafts
Mains are 1/2 grooved for uncompromised lower shell load capacity
Gives you a 15% - 30% greater load capacity than traditional bearings
Features an enhanced tri-metal copper lead construction with nickel barrier and SecureBond adhesion
Has a unique SecureBond adhesion process for superior stability between the top and intermediate layers

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Key Specs

MFG. Part #	Select Size
Brand	King Bearings
Bearing Material	Tri-metal copper-lead nickel
Bearing Construction	Tri-metal

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Need To Know

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Details

Enhanced tri-metal copper lead construction with nickel barrier and SecureBond adhesion
Unique SecureBond adhesion process for superior stability between the top and intermediate layers
15% - 30% greater load capacity than traditional bearings
Mains and rods are narrowed for large radius crankshafts
Greater rod bearing height improves bearing-to-bore contact/heat transfer and reduces spin potential at high RPM
0.0005" metallurgically enhanced and hardened performance overlay withstands greater loads and better resists surface fatigue
Mains are 1/2 grooved for uncompromised lower shell load capacity

Item Details

350 Journal

Application

High-load, long-duration racing such as circle track, off-road, off-shore, and others that require steel crankshafts

CARB Warning

For race/ off road use or for use on pre-1966 vehicles.

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

CARB warning

Specifications

KEY SPECS
MFG. Part #	Select Size to see
Brand	King Bearings
Bearing Material	Tri-metal copper-lead nickel
Bearing Construction	Tri-metal

GENERAL
Bearing Usage	Performance
Grooved Bearing	Yes
Groove Location	Upper and Lower
Groove Style	1/2
Sold in Quantity	Set
Notes	Sold as a set of 5.
GTIN Code	Select Size to see

Ratings & Reviews

7 Reviews

Overall Assessment

Customers find our bearings to be of high quality and practical for various uses, especially for engine rebuilds and high output applications such as NASCAR, boat racing, Le Mans, etc. Their compatibility with steel crankshafts and the right clearance with new crankshafts is highly praised. Customers are satisfied with the product's durability, proven by excellent resistance to wear and tear. Many have become exclusive users of our bearings, with repeated purchases coming from satisfied customers. They consider these bearings to be a reliable choice, thank you to their great performance. The strong customer loyalty highlighted in these reviews sets our product apart from rivals in the market.

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7 reviews

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Excellent race bearings.

5.0

4 years ago

Mclaren_man

Des Moines Iowa

Verified

Great foundation for a 427 inch aluminum small block

Would Recommend

I would buy this product again

5.0

5 years ago

Gary

Whitmire, S.C.

Verified

Used this product in a motor rebuild

Would Recommend

Great product

5.0

5 years ago

Pat P

Iowa

Verified

Have been using King bearings exclusively for the last several engine rebuilds. Always show excellent wear on tear down.

Would Recommend

Yes I would buy these parts again

5.0

5 years ago

Reuben

Elberta Al

Verified

These Main bearings worked great with the new crankshaft I bought from Speedway. The clearances where right on the money Thanks Speedway

Would Recommend

A Unique Bearing

5.0

7 years ago

Neil

Tucson, AZ

Verified

Rated for high output long duration applications- NASCAR, boat racing, Le Mans, Bonneville, etc. For steel crankshafts.

Would Recommend

the only bearing I will use now.

5.0

8 years ago

Energy401

Lansing Mi.

Verified

everything about the bearings are great, even down to the packaging. Thank you. Larry. ASE

Would Recommend

as is should be

5.0

11 years ago

bbmachfab

Verified

It's just what a bearing is supposed to be.my text was to short so I had to elaborate but there is nothing else to say

Would Recommend

Showing 7 of 7 reviews

Questions & Answers

5 Questions • 8 Answers

Sort Questions

Will these fit a large journal 327 crank?

by Kyle McCauley

• a year ago

1 answer

View Answer

Will these bearings work on a sbc with a 383 stroker kit from Eagle street performance

by David Deleon

• 8 years ago

2 answers

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Will this fit into a standard 350 block and a stock sized 350 crankshaft?

by Kyle

• 9 years ago

3 answers

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Would these be the proper bearings to use for a speedway brand crankshaft

by Dusty

• 9 years ago

1 answer

View Answer

This bearing is narrowed correct?

by circle track popper

• 11 years ago

1 answer

View Answer

5 of 5 questions shown