What does the +0.75mm sizing mean for these bearings?

The +0.75mm designation indicates that these bearings are designed for a crankshaft journal that has been machined down by 0.75mm. This is common when rebuilding an engine and the crankshaft needs to be reground to correct imperfections or to achieve proper bearing clearance.

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

These bearings are specifically designed for medium-load engine applications. They utilize a lead-free composite material and a bi-metal aluminum construction that balances durability with environmental considerations for this type of use.

Are these bearings a direct fit for any vehicle?

These are undersize bearings, meaning they are not a direct fit for a factory-stock crankshaft. They are intended for use after a crankshaft has been machined to the +0.75mm size. Always verify fitment for your specific vehicle's engine and crankshaft condition.

Specifications

Brand: King Engine Bearings
Part #: CR8003SI0.75
UPC: 611500428333

King Engine Bearings GMC 281 (Size +0.75mm) Connecting Rod Bearing Set

Name: King Engine Bearings GMC 281 (Size +0.75mm) Connecting Rod Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-gmc-281-size-0-75mm-connecting-rod-bea-t14-770149
Price: 69.35 USD
Availability: BackOrder

$69.35

On Backorder

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

King Engine Bearings GMC 281 (Size +0.75mm) Connecting Rod Bearing Set. Lead-free composite bearings for medium-load engines.

Key Features

Fits a range of Buick, Cadillac, Oldsmobile, and Pontiac vehicles.
This is a +0.75mm undersize bearing set, intended for use with a machined crankshaft.
Constructed with a lead-free composite material for environmentally safe operation.
Features a bi-metal aluminum backing for strength and heat dissipation.
Designed for medium-load engine applications.

⚠️ 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

Secure CheckoutFast Shipping631-982-0042

Will this fit your vehicle?

About this part

Product Details

If you're rebuilding the bottom end of a compatible GM engine, this King Engine Bearings GMC 281 connecting rod bearing set is a solid option. These bearings are specifically sized at +0.75mm, meaning they're intended for use on a crankshaft that has been machined down by that amount. King has been specializing in engine bearings since 1960, focusing on providing well-built components for a range of applications.

This particular set uses a lead-free, environmentally safe composite material bonded to a bi-metal aluminum backing. This construction is well-suited for medium-load engines, offering reliable performance. The +0.75mm sizing is crucial for ensuring proper oil clearance and function when a crankshaft has been reground.

This set fits a wide variety of vehicles, including models like the Buick Lucerne, Cadillac DeVille, and Oldsmobile Aurora. Always confirm fitment for your specific year and model.