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Identify the engine. Keep the conditions.

4.9L 300 CID OHV 16V V8 General Motors KL, KP, LL, LP, ML, NL (1964-1967) 5.6L 340 CID OHV 16V V8 General Motors MA, MB, NA, NB (1966-1967) — bearing reference

Look up source-listed Clevite engine bearing parts, their engine/year conditions, set relationships and available shop dimensions. Preserve the engine version and catalogue notes before comparing a candidate.

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Selections apply immediately; the button also works without JavaScript. Use a full engine code or part number. Displacement alone can match several different engine families.

2026 manufacturer catalogue, not a universal fitment promise

Source: MAHLE/Clevite EB-20-26 engine-bearing catalogue. Entries retain the catalogue make section, application conditions and printed page. A make heading groups source applications; it is not proof that every engine listed was manufactured by that vehicle brand.

Numbers are Clevite references, not SKF/NTN cross-references. A set, a member shell and a separate thrust washer are different items. Unresolved or conflicting dimensions remain unavailable instead of being guessed.

Source-listed bearing records

3 records

Full source application context

4.9L 300 CID OHV 16V V8 General Motors KL, KP, LL, LP, ML, NL (1964-1967) 5.6L 340 CID OHV 16V V8 General Motors MA, MB, NA, NB (1966-1967) 5.6L 340 CID V8 (1966-1967) 5.7L 350 CID OHV 16V V8 General Motors VIN Code: 'H' (1972-1974), 'J' (1972-1974), 'K' (1972), 'M' (1974), 'X' (1976), 'X' (1978-1980)

Catalogue section: GMC · Engine block 111. Match the code, year/VIN limits and each part's additional notes.

Shop dimensions are inches, including rows for metric engines. These are standard-size source dimensions, not permission to use a listed oil clearance in a different engine.

Connecting-rod big end

CB-1878A

Connecting Rod AL-5 Bearing Pair

Application: GMC · block 111
4.9L 300 CID OHV 16V V8 General Motors KL, KP, LL, LP, ML, NL (1964-1967) 5.6L 340 CID OHV 16V V8 General Motors MA, MB, NA, NB (1966-1967) 5.6L 340 CID V8 (1966-1967) 5.7L 350 CID OHV 16V V8 General Motors VIN Code: 'H' (1972-1974), 'J' (1972-1974), 'K' (1972), 'M' (1974), 'X' (1976), 'X' (1978-1980)

Catalogue conditions / continuation notes

NOTE: Connecting Rods With Housing Bore Resized .002in Larger Than Stock

Standard shaft diameter
1.9990–2.0000 in
Vertical oil clearance
0.0007–0.0028 in
Maximum wall at crown
0.0630 in
Bearing OD or housing bore
2.1267–2.1272 in
Maximum axial length
0.7420 in

MAHLE/Clevite EB-20-26 · printed page 608 · reference 1b30d929. No installation torque or machining approval is implied.

Connecting-rod big end

CB-610A

Connecting Rod AL-5 Bearing Pair

Application: GMC · block 111
4.9L 300 CID OHV 16V V8 General Motors KL, KP, LL, LP, ML, NL (1964-1967) 5.6L 340 CID OHV 16V V8 General Motors MA, MB, NA, NB (1966-1967) 5.6L 340 CID V8 (1966-1967) 5.7L 350 CID OHV 16V V8 General Motors VIN Code: 'H' (1972-1974), 'J' (1972-1974), 'K' (1972), 'M' (1974), 'X' (1976), 'X' (1978-1980)

Standard shaft diameter
1.9995–2.0005 in
Vertical oil clearance
0.0007–0.0032 in
Maximum wall at crown
0.0620 in
Bearing OD or housing bore
2.1247–2.1252 in
Maximum axial length
0.7420 in

MAHLE/Clevite EB-20-26 · printed page 608 · reference a422c770. No installation torque or machining approval is implied.

Connecting-rod big end

CB-610A(8)

Connecting Rod AL-5 Bearing Set

Application: GMC · block 111
4.9L 300 CID OHV 16V V8 General Motors KL, KP, LL, LP, ML, NL (1964-1967) 5.6L 340 CID OHV 16V V8 General Motors MA, MB, NA, NB (1966-1967) 5.6L 340 CID V8 (1966-1967) 5.7L 350 CID OHV 16V V8 General Motors VIN Code: 'H' (1972-1974), 'J' (1972-1974), 'K' (1972), 'M' (1974), 'X' (1976), 'X' (1978-1980)

Standard shaft diameter
1.9995–2.0005 in
Vertical oil clearance
0.0007–0.0032 in
Maximum wall at crown
0.0620 in
Bearing OD or housing bore
2.1247–2.1252 in
Maximum axial length
0.742 in

MAHLE/Clevite EB-20-26 · printed page 608 · reference 3bb9d7d6. No installation torque or machining approval is implied.

Use the reference correctly

Identify before comparing

Keep engine code, production year, VIN qualifiers, bearing position and the existing shell markings. A 350, 1.8 or 4.6 label is not a unique engine identification.

Measure the actual assembly

Standard journal dimensions do not describe a worn or reground shaft. Verify the installed housing, required repair size and oil clearance with the engine-specific procedure.

Keep unresolved values unresolved

Empty dimensional fields can reflect set-only entries, incomplete source rows or conflicts. They do not mean zero clearance, and another entry's values are not a substitute.

Read the oil-clearance, material and installation reference →Check replacement evidence →Separate wheel, hub and seal vehicle reference →

Reference basis and limitations

This independent lookup reorganises factual entries from the 2026 MAHLE/Clevite engine-bearing catalogue. The original source fingerprint, extraction record and application block are retained privately. The catalogue source is not a guarantee of current stock, current vehicle approval or complete coverage of every engine. BearingScope does not sell these parts or provide a rebuild service.

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