What is the purpose of the +0.50mm sizing on these bearings?

The +0.50mm sizing indicates that these bearings are intended for crankshaft journals that have been machined down by 0.50mm. This is typically done to correct wear on the crankshaft or to achieve a specific bearing clearance during an engine rebuild.

What is the 'pmax black' material mentioned for these bearings?

The pmax black material is a tri-metal compound developed by King Engine Bearings. It's part of their racing line and offers improved load capacity and durability compared to standard bearing materials, making it suitable for performance applications.

Are these bearings a direct replacement for all Opel 1.8/2.0 X18/20XE engines?

These bearings are specifically for Opel 1.8/2.0 X18/20XE engines and are sized at +0.50mm. You should confirm that your engine's crankshaft journals have been machined to this specific size before ordering. Always consult your vehicle's service manual for correct part selection.

Specifications

Brand: King Engine Bearings
Part #: CR4017XP0.5
UPC: 611500570926

King Engine Bearings Opel 1.8/2.0 X18/20Xe (Size +0.50mm) Connecting Rod Bearing Set

Name: King Engine Bearings Opel 1.8/2.0 X18/20Xe (Size +0.50mm) Connecting Rod Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-opel-1-8-2-0-x18-20xe-size-0-50mm-conn-t14-769495
Price: 80.67 USD
Availability: BackOrder

$80.67

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King Engine Bearings Opel 1.8/2.0 X18/20Xe (Size +0.50mm) Connecting Rod Bearing Set. These are the pmax black racing line bearings.

Key Features

Fits 13+ vehicle make/model combinations, including Buick Skyhawk, Chevrolet Malibu, and Pontiac Sunbird.
This is a connecting rod bearing set for Opel 1.8/2.0 X18/20XE engines.
The bearings are sized at +0.50mm, intended for machined crankshaft journals.
Features the pmax black racing line tri-metal material for improved load capacity.
This set is an optional upgrade over the CR4017AM race bearings.

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About this part

Product Details

What you get in this box is a set of connecting rod bearings designed for Opel 1.8 and 2.0 liter X18/20XE engines. These are the pmax black racing line bearings, which are an optional upgrade over the standard AM race bearings. They are sized at +0.50mm, meaning they are intended for crankshaft journals that have been machined down by 0.50mm to correct wear or to achieve a specific clearance.

King Engine Bearings is known for making well-built engine components, and these bearings are no exception. The pmax black material is a tri-metal compound that offers improved load capacity and durability, making them a solid choice for performance applications or engines that have seen significant use. They are designed to fit a range of vehicles, including models like the Buick Skyhawk, Chevrolet Malibu, and Pontiac Sunbird, among others.

When rebuilding or refreshing an engine, getting the bearing clearances right is crucial for oil pressure and longevity. These +0.50mm bearings are specifically for situations where the crankshaft has been machined to this size. Always refer to your engine's specific service manual for correct installation procedures and torque specifications.