What is the purpose of the coating on these bearings?

The specialized coating on these King Engine Bearings is designed to reduce friction and wear. It helps to maintain a consistent oil film, which is crucial for protecting the bearings and crankshaft under load.

Are these bearings suitable for a performance engine build?

Yes, these are performance main bearings from King Engine Bearings. The coating and overall construction are intended to handle the demanding conditions of performance applications and ensure long service life.

What does 'STD' size mean for these bearings?

STD stands for standard size. This means the bearings are designed to fit a crankshaft that is still within its original factory specifications, without any machining or grinding.

King Engine Bearings Main Bearing Set MB7779XPC STD

Name: King Engine Bearings BMW B58B30A Coated Performance Main Bearing Set - Size STD
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-bmw-b58b30a-coated-performance-main-be-t14-438908
Price: 169.63 USD
Availability: InStock

King Engine Bearings BMW B58B30A Coated Performance Main Bearing Set - Size STD

$169.63

Only 6 left in stock

King Engine Bearings BMW B58B30A Coated Performance Main Bearing Set - Size STD. These bearings feature a specialized coating for improved durability.

Key Features

Fits BMW B58B30A engines.
Standard (STD) size for factory-spec crankshafts.
Features a specialized performance coating to reduce friction and wear.
Well-built main bearing set for engine bottom-end rebuilds.
Designed for improved durability and oil film consistency.

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Product Details

The specialized coating on these King Engine Bearings main bearings is a key detail. It’s a high-performance overlay designed to reduce friction and wear, especially under the demanding conditions found in a BMW B58B30A engine. When you're rebuilding or refreshing the bottom end of your B58, the main bearings are critical for supporting the crankshaft and ensuring smooth rotation. King has been making bearings for a long time, and they put a lot of thought into how these parts hold up over time.

This set is for standard (STD) size applications, meaning it's intended for crankshafts that are still within their original factory specifications. The coating helps to absorb some of the shock loads and provides a more consistent oil film, which is crucial for preventing premature wear. If you're working on a performance build or just want to ensure a long service life for your engine, using well-made bearings like these makes a significant difference. They are built to handle the stresses of regular driving and more spirited use.