What is the difference between standard size and undersize bearings?

Standard size bearings are used when the crankshaft journals are still within the manufacturer's specified tolerances. Undersize bearings (like -010 or -020) are used when the crankshaft has been machined undersize to remove damage or wear, requiring a thicker bearing to restore proper clearance.

Do I need to replace my crankshaft when installing these bearings?

You only need to replace or machine your crankshaft if its journals are damaged or worn beyond the standard size tolerance. If the journals are still within spec, these standard size bearings will work correctly.

What else might I need when installing main bearings?

When installing main bearings, it's crucial to have the correct assembly lube to ensure proper oil film during initial startup. You'll also need a torque wrench to tighten the main bearing caps to the manufacturer's specifications.

2015-2023 Dodge Challenger Main Bearings | ACL 5M2220A-STD

Name: ACL 03+ Chrysler 345 5.7L Hemi V8 Standard Size Main Bearing Set
Brand: ACL
Price: 37.79 USD
Availability: InStock

ACL 03+ Chrysler 345 5.7L Hemi V8 Standard Size Main Bearing Set

$37.79

On Backorder

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

Fits 2015-2023 Dodge Challenger. ACL standard size main bearing set for 5.7L Hemi V8 engines.

Key Features

Fits 2015-2023 Dodge Challenger, 2006-2010 Dodge Charger, 2003-2008 Dodge Ram 1500, and 2021-2024 Ram 1500.
Standard size main bearing set for 5.7L Hemi V8 engines.
Designed to meet original equipment specifications for a direct fit.
Well-built by ACL, a trusted name in engine components.
Essential for engine builds, rebuilds, or refreshes.

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Will this fit your vehicle?

Product Details

Already running a 5.7L Hemi in your Dodge Challenger, Charger, or Ram? This standard size main bearing set from ACL is the next piece of the puzzle for a solid engine build or refresh. Main bearings are critical for keeping your crankshaft supported and spinning smoothly within the engine block. When you're pushing your Hemi, especially with modifications, ensuring these bearings are in top shape is key to reliable performance.

ACL has been making engine bearings for a long time, and this set is well-built for the demands of the 5.7L Hemi. They're made to the original equipment specifications, meaning they'll fit right in place of your old ones. Using standard size bearings is the way to go if your crankshaft journals are still within factory tolerances. This helps maintain the correct oil clearance, which is vital for proper lubrication and preventing premature wear.

When you're rebuilding or refreshing your Hemi, getting the right bearings is important. This set from ACL is a solid option for keeping your engine running strong.