What does the '+0.50mm' size mean for these bearings?

The '+0.50mm' designation means these bearings are designed for a crankshaft that has been machined down by 0.50mm. This is typically done to remove wear or imperfections from the original crankshaft journals during an engine rebuild.

What is the King XP material?

King's XP material is a high-performance bearing overlay designed for demanding applications. It's a multi-layer material that offers good oil retention and durability, helping to protect the crankshaft journals.

Do these bearings come with installation instructions?

While these bearings are designed as a direct replacement, it is always recommended to refer to the manufacturer's installation instructions or a reputable service manual for proper installation procedures and torque specifications.

Specifications

Brand: King Engine Bearings
Part #: MB5527XP0.5
UPC: 611500556098

King Engine Bearings Toyota 4Age/4Agze/16V 1.6L (Size +0.50mm) Main Bearing Set

Name: King Engine Bearings Toyota 4Age/4Agze/16V 1.6L (Size +0.50mm) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-toyota-4age-4agze-16v-1-6l-size-0-50mm-t14-770780
Price: 81.77 USD
Availability: BackOrder

$81.77

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King Engine Bearings Main Bearing Set for Toyota 4Age/4Agze/16V 1.6L engines. Size +0.50mm.

Key Features

Main bearing set for Toyota 4A-GE and 4A-GZE 1.6L 16V engines.
Size is +0.50mm, intended for use with a crankshaft machined to that specification.
Features King's XP high-performance overlay material for improved oil retention and durability.
Multi-layer bearing construction with a steel backing for structural integrity.

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About this part

Product Details

If you're rebuilding the bottom end of your Toyota 4A-GE or 4A-GZE engine, getting the main bearings right is crucial for long-term health. This set from King Engine Bearings is specifically made for the 1.6L 16-valve engines and comes at a +0.50mm size, meaning they're intended for crankshafts that have been machined down by 0.50mm to clean up wear.

King uses their XP high-performance overlay material, which is a multi-layer bearing with a steel backing for strength and a copper-lead overlay that's designed to handle the pressures and heat inside your engine. This overlay has a unique micro-structure that helps retain oil, which is important for keeping those main journals properly lubricated, especially under load. They're well-built and a solid option when you need reliable bearing performance for your rebuild.