What does the +1.0mm size mean for these bearings?

The +1.0mm size indicates that these bearings are intended for use when the crankshaft journals have been machined down by 1.0mm. This is a common practice during engine rebuilding to ensure proper oil clearance when the original journals are worn or have been resurfaced.

What are these bearings made of?

These bearings feature a bimetal construction with an aluminum silicon base. This material is chosen for its good bearing properties, including wear resistance and compatibility with crankshafts.

Do I need to machine my crankshaft to use these bearings?

Yes, if your crankshaft journals are standard size and not worn, you would typically use standard size bearings. These +1.0mm bearings are specifically for use when the crankshaft journals have been turned down by 1.0mm during an engine rebuild or repair.

Specifications

Brand: King Engine Bearings
Part #: CR4255SI1.0
UPC: 611500441547

King Engine Bearings G.M.C. /Quard 4 1996/Up (Size +1.0mm) Connecting Rod Bearing Set

Name: King Engine Bearings G.M.C. /Quard 4 1996/Up (Size +1.0mm) Connecting Rod Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-g-m-c-quard-4-1996-up-size-1-0mm-conne-t14-769679
Price: 31.45 USD
Availability: BackOrder

$31.45

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King Engine Bearings connecting rod bearing set. Fits GMC, Quard 4 1996/Up and many other vehicles. Size +1.0mm.

Key Features

Fits GMC, Quard 4 1996/Up and many other vehicles including Buick Skylark, Chevrolet Cavalier, Chevrolet Malibu, Oldsmobile Achieva, Oldsmobile Alero, Pontiac Grand Am, and Pontiac Sunfire.
This is a set of connecting rod bearings.
Bearings are sized +1.0mm over standard.
Constructed with a bimetal aluminum silicon base.
Designed for engine rebuilding and repair applications.

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About this part

Product Details

This is a set of connecting rod bearings from King Engine Bearings. You get the bearings needed to replace the ones on the connecting rods, sized 1.0mm over standard. These bearings are made with a bimetal construction, using an aluminum silicon base, which is a common and well-built material for engine bearings.

These bearings are designed to fit a range of vehicles, including models like the Chevrolet Cavalier, Pontiac Sunfire, and Buick Skylark from the mid-90s to early 2000s. They are specifically sized at +1.0mm, meaning they are intended for crankshaft journals that have been machined down by 1.0mm during an engine rebuild or repair. Using the correct size bearing is crucial for maintaining proper oil clearance and ensuring the longevity of your engine's rotating assembly.