King Racing

King Racing King Engine Bearings is a world-class developer and manufacturer of automotive engine bearings. King's only product is engine bearings.

As a result of its specialization and focus, the company is recognized for producing the highest quality engine bearings available in the market today. The King line includes OEM replacement rod, main, cam bearings, and thrust washers and its special range of high performance bearings. King Engine Bearings created the King Racing Line to improve engine performance under extreme conditions. King Ra

cing line combines sports and domestic race engine bearings with ground-breaking geometrical and metallurgical features that push the limits of race engine load capacity and performance.

The bore of a King performance bearing is not round. That is deliberate.Thicker at the centerline than at the parting li...
09/02/2026

The bore of a King performance bearing is not round. That is deliberate.

Thicker at the centerline than at the parting line, it holds a stable oil wedge without the knocking extra clearance brings. How much you need depends on your RPM.

Swipe for the rig data.
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We’re headed to Frankfurt for Automechanika , September 8–12!Stop by our booth to meet the King team, talk engine bearin...
08/28/2026

We’re headed to Frankfurt for Automechanika , September 8–12!

Stop by our booth to meet the King team, talk engine bearings, and see what’s new. We’re looking forward to connecting with builders, distributors, customers, and fellow enthusiasts from around the world.

• Hall 5.1 | Booth B35
• September 8–12, 2026

See you in Frankfurt!
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If a shell moved in its housing, the running face will not tell you. Turn it over.Too little crush and the shell can mov...
08/20/2026

If a shell moved in its housing, the running face will not tell you. Turn it over.

Too little crush and the shell can move. Too much can lead to fatigue & cracks. The right number changes with the housing material and with temperature.

Swipe for the numbers.
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Are tri-metal bearings always the better choice?Not necessarily. Bi-metal and tri-metal bearings each have their place d...
08/18/2026

Are tri-metal bearings always the better choice?

Not necessarily. Bi-metal and tri-metal bearings each have their place depending on the engine and application.

Read our full bi-metal vs tri-metal breakdown at the link in the comments ⬇️
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Bearing clearance isn’t just a number, it directly affects how the oil film supports the crankshaft under load.Too tight...
08/13/2026

Bearing clearance isn’t just a number, it directly affects how the oil film supports the crankshaft under load.

Too tight can restrict oil flow. Too loose can increase oil demand and change how the load is distributed. The right clearance depends on the application, oil viscosity, journal finish, and more.

Swipe to see how clearance is measured, what changes between tight and loose, and why tighter is not always better.
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New bearings don’t guarantee a successful build. Incorrect clearances, contamination, improper housing geometry and othe...
08/07/2026

New bearings don’t guarantee a successful build. Incorrect clearances, contamination, improper housing geometry and other small mistakes during install can lead to big problems.

Our latest tech article breaks down 10 common engine bearing installation mistakes and what to check before startup. What’s one bearing installation mistake you’ve seen cause problems?

Full article link in the comments 👇
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Copper showing means the overlay has worn through. It does not tell you why.Bronze lining fatigue, overlay fatigue, surf...
08/03/2026

Copper showing means the overlay has worn through. It does not tell you why.

Bronze lining fatigue, overlay fatigue, surface wear, a distorted rod, journal geometry and cavitation can all leave similar-looking damage, and each one needs a different fix. Replace the bearing without finding the cause and you will see the same pattern again.

Swipe to see what separates them.
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Every engine builder knows bearings are critical. But how do engine bearings actually work?Our latest tech article expla...
07/30/2026

Every engine builder knows bearings are critical. But how do engine bearings actually work?

Our latest tech article explains how hydrodynamic lubrication creates the oil film that supports the crankshaft, why metal-to-metal contact normally never occurs, and the factors that keep the oil wedge stable.

Full article link in the comments 👇
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The BMW N57 lineup just got stronger. 💪 Our N57 Main Bearings are now available in SX Series, designed for increased loa...
07/26/2026

The BMW N57 lineup just got stronger. 💪 Our N57 Main Bearings are now available in SX Series, designed for increased load capacity through a reinforced copper-based tri-metal material.

Part No: MB7781SX
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Address

26 Okner Parkway
Livingston, NJ
07039

Opening Hours

Monday 8am - 4:30pm
Tuesday 8am - 4:30pm
Wednesday 8am - 4:30pm
Thursday 8am - 4:30pm
Friday 8am - 4:30pm

Telephone

(800) 772-3670

Website

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