ACL engine bearing shells and retail packaging — representative product photo
Manufacturer product dimensions diagram
Manufacturer product dimensions diagram
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ACL 2015+ Dodge 6.2L V8 Standard Size Race Series Main Bearing Set

$ 235.88
$ 235.88

ACL 5M2221H-STD is a main bearing set selected by its complete manufacturer number and engine-build specification. STD manufacturer size designation; verify the exact engine and assembled clearance.

Bearing Configuration

H identifies the ACL Race Series family. Match the complete suffix to the required clearance, shell width and locating features.

Engine Application

ACL’s 2023 Hemi guide separates the main-bearing families by engine and production group. The listed 2003–2008 5.7L and 2005–2010 ESF 6.1L applications use 5M2220 mains. The listed 2009-on 5.7L, 2011-on ESG/ESH 6.4L, 2014-on ESD 6.2L supercharged and 2018-on ESJ 6.2L supercharged applications use 5M2221 mains. These groups share the 8B1808 rod-bearing family; select the main and rod locations independently using the exact engine and build date.

Select this bearing by the exact 5M2221H-STD catalog application and engine measurements. Confirm the engine code, bearing location, size and mating dimensions before ordering. Previous machining or an engine swap can change the required configuration.

Specifications

Brand ACL
Manufacturer Part Number 5M2221H-STD
Component Main Bearing Set
Size Selection STD manufacturer size designation; verify the exact engine and assembled clearance.
Catalog Main Housing Bore (STD journal) 69.893–69.906 mm
Catalog Main Journal Diameter (STD) 64.996–65.004 mm

Quantity and Assembly Checks

Confirm the set contents, bearing positions and any separate thrust components against the complete manufacturer number. The photo is representative of the part family.

Measure shaft journals, housing bores and assembled oil clearance using the engine builder’s specification. Check oil-hole alignment, groove placement and crankshaft fillet clearance before final assembly. Catalog standard dimensions must not be treated as the finished dimensions for a different repair size. ACL specifies that abrasive pads or paper must not be used on the bearing surface to alter oil clearance.

Frequently Asked Questions

Is the year and model enough to choose this bearing? No. Match 5M2221H-STD to the exact engine and measured build specification.

What size is this listing? STD manufacturer size designation; verify the exact engine and assembled clearance.

Can I substitute a different suffix? Compare the complete grade, size, locating features and assembled clearance before substituting any bearing.

Related Engine Parts

For the cataloged Hemi applications requiring 5M2221 mains, see ACL 8B1808H-STD rod bearings. This is a separately sold component with its own measured journal clearance; confirm the exact engine, build date and size before pairing parts.

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