What is the main benefit of the higher silicon content in these bearings?

The 60% higher silicon content helps to better condition the crankshaft journal surfaces. This leads to improved seizure resistance and greater wear resistance for the bearing and the journal.

Are these bearings a direct replacement for all GM L4 engines?

This specific bearing set is designed for GM L4 engines with a 122 CID (1998cc) displacement. While it fits many popular models like the Pontiac Sunbird and Buick Skyhawk, it's always best to verify fitment for your exact vehicle year and model.

What material are these bearings made from?

These are bi-metal (aluminum) engine bearings made with 100% lead-free aluminum silicon. This material is chosen for its durability and its ability to work well with crankshaft journals.

Questions? Call Us:631-982-0042

M-F 8AM-4PM ET

Trusted Since 1957

Est. 1957

Clevite GM 122 CID 1998CC L4 Con Rod Bearing Set

1 / 2

Specifications

Brand: Clevite
Part #: CB1408A(4)
UPC: 027067909206

Clevite GM 122 CID 1998CC L4 Con Rod Bearing Set

Name: Clevite GM 122 CID 1998CC L4 Con Rod Bearing Set
Brand: Clevite
Price: 17.77 USD
Availability: InStock

$17.77

On Backorder

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

Clevite GM L4 connecting rod bearing set. Features 60% more silicon for improved journal conditioning and wear resistance.

Key Features

Fits many GM 122 CID (1998cc) L4 engines.
Features 100% lead-free aluminum silicon bi-metal construction.
Engineered with 60% more silicon than comparable replacements.
Provides better conditioning of journal surfaces.
Offers greater seizure and wear resistance.

Secure CheckoutFast Shipping631-982-0042

Will this fit your vehicle?

Product Details

These Clevite connecting rod bearings are built with a bi-metal aluminum silicon construction, featuring 60% more silicon than many other replacement bearings. This advanced material composition helps to better condition the crankshaft journal surfaces they run against, which in turn offers improved seizure and wear resistance over time. They are a well-built option for rebuilding or repairing the bottom end of many GM L4 engines, including those found in vehicles like the Pontiac Sunbird, Buick Skyhawk, and Oldsmobile Firenza.

The higher silicon content in these bearings is a notable design choice that directly impacts their durability and the longevity of your engine's crankshaft. By providing a smoother, more conditioned surface for the journal to ride on, these bearings help to reduce friction and heat buildup, critical factors in preventing premature engine wear. This makes them a solid choice for anyone looking to ensure reliable performance from their engine rebuild.