What does the +0.50mm sizing mean for my engine rebuild?

The +0.50mm sizing indicates that these bearings are 0.50mm larger than standard. This is used when the crankshaft journals have been machined down by 0.50mm to remove imperfections or wear. Using these bearings ensures the correct clearance between the crankshaft and the engine block is restored.

Are these bearings sold individually or as a set?

This is a main bearing set, which includes all the necessary main bearings required for a complete engine rebuild of your Nissan P/Pf 86Ci engine.

What is the typical application for oversize bearings like these?

Oversize bearings, such as this +0.50mm set, are typically used during an engine rebuild when the crankshaft has been machined undersize to correct wear or damage. They are essential for achieving the correct bearing clearance after machining.

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Specifications

Brand: King Engine Bearings
Part #: MB769AM0.5
UPC: 611500180521

King Engine Bearings Nissan P/Pf 86Ci (Size +0.50mm) Main Bearing Set

Name: King Engine Bearings Nissan P/Pf 86Ci (Size +0.50mm) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-nissan-p-pf-86ci-size-0-50mm-main-bear-t14-771089
Price: 101.38 USD
Availability: BackOrder

$101.38

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King Engine Bearings Nissan P/Pf 86Ci (Size +0.50mm) Main Bearing Set. Undersize 0.50mm for a precise fit during engine rebuilds.

Key Features

Main bearing set for Nissan P/Pf 86Ci engines.
Size is +0.50mm (0.50mm oversize) for use with machined crankshafts.
Restores proper crankshaft clearances and oil pressure.
Well-built for reliable engine rebuilds.

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About this part

Product Details

If you're rebuilding the bottom end of your Nissan P/Pf 86Ci engine, getting the main bearings right is crucial for proper crankshaft support and oil pressure. This set from King Engine Bearings is specifically sized at +0.50mm, meaning they are 0.50mm larger than standard to accommodate crankshaft journals that have been machined to that size. This ensures a snug fit and helps restore the correct clearances needed for optimal oil flow and engine longevity.

King Engine Bearings are well-built components trusted by mechanics for their consistent performance. This set is designed to meet the demands of an engine rebuild, providing reliable support for your crankshaft. The +0.50mm sizing is important; using the wrong size bearing can lead to improper clearances, affecting oil pressure and potentially causing premature wear.