Clevite Main Bearing Chrysler 273 4.5L 64-69 OHV .020in If you are not sure of fitment, please call, email, or message us to verify your application.Also, on many listings, you can use 's compatibility feature to ensure the correct fit. 1-866-277-0804. Monday - Friday. 8 AM - 6 PM Central Standard Time. Saturdays 8 AM - 4 PM CST. Click an Image to Enlarge

Description
Brand: Clevite
Part Number: MS540P20
Condition: New Chrysler Clevite 77, Tri-Metal Main Bearing Set fits the following:
273 CID 4.5L OHV V8 cylinder 1964-1969,
277 CID 4.5L OHV V8 cylinder 1956-1957,
301 CID 4.9L V8 cylinder 1956-1957,
303 CID 5.0L OHV V8 cylinder 1956,
326 CID 5.3L OHV V8 cylinder 1959,
313 CID 5.1L Dodge V8 cylinder 1958-1965,
318 CID 5.2L V8 cylinder 1957-1973,
318 CID 5.2L V8 cylinder.

Clevite Tri-Metal 77 Main Bearing Set combines the strength of a copper-lead alloy (Bi-Metal) layer with steel backing and an electro-plated Micro Babbitt metal as an overlay.

Clevite Main Bearing Set part number: MS540P20 (0.020in. / 0.50mm Oversize)

The steel backing on the Clevite Tri-Metal 77 Main Bearing Set provides strength and durability. The Bi-Metal Babbitt overlay provides the conformability and Load Capacity. The Third layer - Micro-Babbitt overlay provides the critical surface Embedability & Conformability and has far more forgiveness than bi-metal.

This ideal design has properties not found in many original equipment bearings. In most cases Clevite Tri-Metal 77 Bearings are an upgrade over a stock bearing, or three times better.

It takes Three Layers to be Number One, and Clevite 77 Tri-Metal Bearings are it !

Engineering quality engine bearings involves a number of interdependent factors. Here is how Clevite 77’s Tri-Metal cast copper lead material compares to bi-metal bearings on the most important of these factors:

Seizure Resistance:
Tri-Metal bearings have significantly greater seizure resistance than bi-metal bearings, by as much as 40%.
Load Capacity:
Tri-Metal bearings can withstand much higher loads for longer periods of time as compared to bi-metal bearings, over 60% higher loads.
Embeddability & Conformability:
The overlay on a Tri-Metal bearing offers a far more forgiving surface than bi-metal bearings. This feature may not be as critical during OE assembly as it once was, but it does offer additional protection that can be extremely beneficial in maintaining your engine.
Durability:
Clevite 77’s Tri-Metal bearings not only exceed light vehicle OE durability requirements of 150,000 miles, they also exceed heavy vehicle OE durability requirements of 300,000 miles.
Tolerances:
Because the surface layer of a Tri-Metal bearings adds an additional manufacturing step, Clevite regularly holds wall sizes to within .0005” as compared to a bi-metal that can be held to within .0003”.

Not all Tri-metal engine bearings are the same - so if you want the strongest, highest quality engine bearings, ask for the original Clevite 77 Tri-Metal Engine Bearings.

Component No. MB-2035P MB-2036P(F) MB-2559P Positions 1-2-4 3 5 Material TM-77 TM-77 TM-77 Min. Std. Shaft Diameter 2.4995"
63.4873mm 2.4995"
63.4873mm 2.4995"
63.4873mm Max. Std. Shaft Diameter 2.5005"
63.5127mm 2.5005"
63.5127mm 2.5005"
63.5127mm Min. Vert. Oil Clearance 0.0005"
0.0127mm 0.0005"
0.0127mm 0.0005"
0.0127mm Max. Vert. Oil Clearance 0.0026"
0.0660mm 0.0026"
0.0660mm 0.0026"
0.0660mm Max. Wall 0.0959"
2.4359mm 0.0959"
2.4359mm 0.0959"
2.4359mm Min. Brg. O.D. or Housing Bore 2.6925"
68.3895mm 2.6925"
68.3895mm 2.6925"
68.3895mm Max. Brg. O.D. or Housing Bore 2.6930"
68.4022mm 2.6930"
68.4022mm 2.6930"
68.4022mm Max. Length 0.8770"
22.2758mm 1.1520"
29.2608mm 1.3270"
33.7058mm
Competitor InterchangesQtyComp QtyComp Part No.Comp POWER114923M20SEALED POWER*Part of a combination interchange requiring multiple parts competitor partsWhen installing any bearing
DO NOT ATTEMPT TO POLISH THE BEARING RUNNING SURFACE WITH ANY TYPE OF ABRASIVE PAD OR PAPER.
Bearing overlay layers are extremely soft and thin, typically .0005” on high performance parts.
These thin layers can easily be damaged or removed by abrasive media. Because the overlay layer is electroplated,
it may exhibit microscopic plating nodules that make it feel slightly rough.
The nodules are the same material as the rest of the plated layer and will quickly be flattened by the shaft.

This Part Fits The Following Vehicles

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