What does '+.026mm undersize' mean for these bearings?

This means the bearings are manufactured to be slightly smaller than standard size by 0.026 millimeters. They are intended for use with a crankshaft that has been machined down by the same amount to correct wear or achieve specific bearing clearances.

What is the pMax Black material?

pMax Black is King Engine Bearings' tri-metal material specifically developed for racing applications. It's designed to handle higher loads and temperatures often found in performance engines.

Do these bearings come with installation instructions?

While specific installation instructions are not provided with this product listing, it is highly recommended to consult the manufacturer's official installation guidelines or a qualified mechanic for proper installation procedures.

Specifications

Brand: King Engine Bearings
Part #: MB5243XP.026
UPC: 611500608735

King Engine Bearings Nissan Sr20DE (Size +.026mm) Main Bearing Set

Name: King Engine Bearings Nissan Sr20DE (Size +.026mm) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-nissan-sr20de-size-026mm-main-bearing--t14-770585
Price: 83.76 USD
Availability: BackOrder

$83.76

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Fits 1991-2002 Infiniti G20. King Engine Bearings main bearing set, +.026mm undersize, for SR20DE engines. Race bearings.

Key Features

Fits 1991-2002 Infiniti G20, 1995-1998 Nissan 200SX, 1991-1993 Nissan NX, and 1991-1994, 1996-2001 Nissan Sentra.
Main bearing set for Nissan SR20DE engines.
Features King's pMax Black tri-metal race bearing material.
This set is +.026mm undersize, intended for use with a machined crankshaft.

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About this part

Product Details

King Engine Bearings is known for making well-built engine components, and this main bearing set is no different. If you're rebuilding the bottom end of your 1991-1996 or 1999-2002 Infiniti G20, or a compatible Nissan Sentra, NX, or 200SX with the SR20DE engine, these bearings are a solid option.

This set is a race bearing variant, featuring King's pMax Black tri-metal material. These are designed for demanding use, offering improved performance over standard bearings. This specific set is +.026mm undersize, meaning it's intended for crankshafts that have been machined down by that amount to correct wear or achieve a specific clearance.