This Clevite multi-layer steel (MLS) cylinder head gasket fits the Mopar Gen III 6.4L Hemi V8. It has a 4.130 inch bore and a 0.032 inch compression thickness. It is sold individually as the driver side gasket.
Specifications:
- Type: Cylinder head gasket (sold each)
- Construction: multi-layer steel (MLS)
- Side: driver side
- Bore: 4.130 in
- Compression thickness: 0.032 in
- Engine: Mopar Gen III 6.4L Hemi V8
- Part number: 55457
Engine Application: Mopar Gen III 6.4L Hemi V8 (2011-2020).
FAQ
What engine does the Clevite 55457 head gasket fit?
It fits the Mopar Gen III 6.4L Hemi V8.
Is this sold as a pair?
No, it is sold individually (each) and is the driver side gasket. A V8 has two cylinder heads, so a complete engine uses one gasket for each side, including a separate passenger side gasket.
Which side does this gasket fit?
It is the driver side cylinder head gasket.
What are the bore and compression thickness?
The bore is 4.130 inch and the compression thickness is 0.032 inch.
What is this gasket made of?
It is a multi-layer steel (MLS) cylinder head gasket.

