Clevite Cam Bearings GM 235 3.9L 1954-1962 STD.

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Description
Brand: Clevite
Part Number: SH383S
Condition: New
Sold As: Individual

General Motors Clevite 77, Tri-Metal Cam Bearing Set fits the following:
235 CID 3.9L Chevrolet 6 cylinder 1954-1962,
235 CID 3.9L Corvette Chevrolet 6 cylinder 1954-1962,
261 CID 4.3L Chevrolet 6 cylinder 1954-1962.
NOTE ALL: With 2.154" Diameter Number 1 Camshaft Journal, Large Journal.

Clevite 77, Tri-Metal Cam Bearing is a steel backed bearing with an intermediate layer of copper-lead alloy and an electro-plated lead-base overlay. Precision undersizes are not resizable.

Clevite Cam Bearing Set part number: SH383S

Clevite Tri-Metal 77 Cam Bearings combine the strength of a copper-lead alloy (Bi-Metal) layer with steel backing and an electroplated Micro Babbitt metal as an overlay.

The steel backing on the Clevite Tri-Metal 77 Cam Bearings 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 even found in many original equipment bearings. and in most cases Clevite Tri-Metal 77 are an upgrade over a stock bearing plus in some cases Clevite Tri-Metal 77 are 3 times better then the manufactures original bearing.

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

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:

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

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.
Embedability & Conformability:
The overlay on a Tri-Metal bearing offers a far more forgiving surface than bi-metal bearings. These features may not be as critical during OE assembly as they once were, but they do offer additional protection that can be extremely beneficial in an engine that is poorly maintained.
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 bearing adds an additional manufacturing step, Clevite regularly hold wall sizes to within .0005” as compared to a bi-metal that can be held to within .0003”. This stack up of tolerances has nothing to do with quality, suitability, or service life.
Wear Resistance:
While the silicon in the bi-metal material does contribute to slightly improved wear resistance as compared to the Babbitt surface layer of a Tri-Metal material, it’s at the direct expense of embedability and conformability.

Note: Not even all tri-metal engine bearings are the same. If you want the strongest engine bearings of the highest quality, ask exclusively for the original Clevite 77 Tri-Metal Engine Bearings.

Component No.	SH-263	SH-264	SH-265	SH-383
Positions	1	2	3	4
Material	TM-77	TM-77	TM-77	TM-77
Min. Std. Shaft Diameter	2.1537" 54.7040mm	2.0912" 53.1165mm	2.0287" 51.5290mm	1.9662" 49.9415mm
Max. Std. Shaft Diameter	2.1547" 54.7294mm	2.0922" 53.1419mm	2.0297" 51.5544mm	1.9672" 49.9669mm
Min. Vert. Oil Clearance	0.0005" 0.0127mm	0.0005" 0.0127mm	0.0005" 0.0127mm	0.0010" 0.0254mm
Max. Vert. Oil Clearance	0.0050" 0.1270mm	0.0050" 0.1270mm	0.0050" 0.1270mm	0.0050" 0.1270mm
Max. Wall	0.0645" 1.6383mm	0.0645" 1.6383mm	0.0645" 1.6383mm	0.0644" 1.6358mm
Min. Brg. O.D. or Housing Bore	2.2840" 58.0136mm	2.2215" 56.4261mm	2.1590" 54.8386mm	2.0970" 53.2638mm
Max. Brg. O.D. or Housing Bore	2.2860" 58.0644mm	2.2235" 56.4769mm	2.1610" 54.8894mm	2.0980" 53.2892mm
Max. Length	1.1300" 28.7020mm	0.9500" 24.1300mm	0.9500" 24.1300mm	0.9470" 24.0538mm

Competitor Interchanges

Qty

Comp Qty

Comp Part No.

Comp Name

4C383S-00

ACL

SH383S

CLEMEX

CH-3

DURA BOND

C4036S

GLACIER

CS434BB

KING

CBS77

MCQUAY-NORRIS INC.

71CS

MICHIGAN ENGINE BEARINGS

0383

MVM (COMETA)

4C383

NKN

4C5059

REPCO

1170M

SEALED POWER

SH383S

TRW

CH3

VANDERVELL AMERICA INC

VPC947

VANDERVELL AMERICA INC

*Part of a combination interchange requiring multiple parts competitor parts

When 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

Year Make Model Engine Fit Note
1962 - 1954 Chevrolet Bel Air 3.9L L6 235ci
1960 - 1960 Chevrolet Bel Air 3.9L L6 236ci
1957 - 1955 Chevrolet Bel Air Nomad 3.9L L6 235ci
1960 - 1960 Chevrolet Biscayne 3.9L L6 236ci
1962 - 1958 Chevrolet Biscayne 3.9L L6 235ci
1960 - 1960 Chevrolet Biscayne Fleetmaster 3.9L L6 236ci
1962 - 1961 Chevrolet C10 Pickup 3.9L L6 235ci
1962 - 1961 Chevrolet C20 Pickup 3.9L L6 235ci
1962 - 1961 Chevrolet C30 Pickup 3.9L L6 235ci
1955 - 1954 Chevrolet Corvette 3.9L L6 235ci
1958 - 1958 Chevrolet Del Ray 3.9L L6 235ci
1962 - 1959 Chevrolet Impala 3.9L L6 235ci
1962 - 1961 Chevrolet K10 Pickup 3.9L L6 235ci
1962 - 1962 Chevrolet K10 Pickup 4.3L L6 261ci
1962 - 1961 Chevrolet K20 Pickup 3.9L L6 235ci
1962 - 1962 Chevrolet K20 Pickup 4.3L L6 261ci
1957 - 1954 Chevrolet One-Fifty Series 3.9L L6 235ci
1962 - 1962 Chevrolet P10 Series 3.9L L6 235ci
1961 - 1961 Chevrolet P20 Series 3.9L L6 235ci
1961 - 1961 Chevrolet P30 Series 3.9L L6 235ci
1962 - 1961 Chevrolet Suburban 3.9L L6 235ci
1957 - 1954 Chevrolet Two-Ten Series 3.9L L6 235ci



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