What does the '+0.25' sizing mean for these main bearings?

The '+0.25' indicates that these bearings are 0.025 inches undersize. This means they are designed to be used when the engine's crankshaft has been machined down by 0.025 inches to correct wear or out-of-round conditions.

Are these bearings environmentally friendly?

Yes, these bearings feature a lead-free composite material. This makes them an environmentally safe option for your engine rebuild.

What type of engine load are these bearings best suited for?

These bearings are made from a bi-metal aluminum material and are ideal for medium-load engines. This makes them a good choice for the 4.6L V8 in your Lincoln Town Car.

Specifications

Brand: King Engine Bearings
Part #: MB5219SI0.25
UPC: 611500464027

King 91-92 281CI 4.6L V8 Romeo with Cast Iron Block SOHC 16 Valves (Size +0.25) Main Bearing Set

Name: King 91-92 281CI 4.6L V8 Romeo with Cast Iron Block SOHC 16 Valves (Size +0.25) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-91-92-281ci-4-6l-v8-romeo-with-cast-iron-block-sohc-16-t14-4336764
Price: 58.18 USD
Availability: BackOrder

$58.18

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Fits 1991-1994 Lincoln Town Car. King main bearings, 0.025 inch undersize, for your 4.6L V8 engine rebuild.

Key Features

Fits 1991-1994 Lincoln Town Car.
Main bearing set is 0.025 inch undersize.
Made from bi-metal aluminum material.
Features a lead-free, environmentally safe composite.
Suitable for medium-load engines.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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About this part

Product Details

If you're rebuilding the engine in your 1991-1994 Lincoln Town Car, especially the 4.6L V8 Romeo with a cast iron block, getting the main bearings right is crucial for oil pressure and longevity. This set from King Engine Bearings is specifically sized at 0.025 inches undersize, intended for crankshafts that have been machined to match.

King specializes in engine bearings, and this set is made from a bi-metal aluminum material. It's a lead-free composite that's environmentally safe and works well for medium-load engines like the one in your Town Car. They're built to provide reliable performance for your engine rebuild.