| Brand |
King |
| Part Number |
MB554AM 030 |
| Type |
Main Bearing |
| Condition |
New Old Stock |
Specifications
- Crankshaft undersize: 0.030" (0.762mm)
- Series: AM-Series (bi-metal, 1/2 groove)
Vehicle Fitment
| Chevrolet |
small block V8 265 (4.3L) — small journal crankshaft, 1955–1957 |
| Chevrolet |
small block V8 283 (4.6L) — small journal crankshaft, 1957–1967 |
| Chevrolet |
small block V8 302 (4.9L) — small journal crankshaft, 1967–1969 Z/28 Camaro |
| Chevrolet |
small block V8 327 (5.4L) — small journal crankshaft, 1962–1967 |
| Chevrolet |
Bel Air 1957–1967 4.6L |
| Chevrolet |
Impala 1957–1967 4.6L |
| Holden |
HK 1968–1969 5.4L (327 Chev V8) |
| Pontiac |
Laurentian 1960–1963 4.6L |
| Pontiac |
Parisienne 1961–1970 (4.6L and 5.4L variants) |
Cross References
| Part Numbers |
Relationship |
| EB2372M5030K, 75030900 |
equivalent |
Additional Information
- Small journal variant — fits early small block Chev cranks (pre-1968 for most engines); not compatible with the later large journal 350/400 or post-1968 327
New Old Stock (NOS) — Unused part in original condition. Packaging may show age-related shelf wear. New Old Stock. Outer box is scuffed, dusty and shows corner wear consistent with long shelf life. Bearings remain sealed in factory heat-shrink plastic with original yellow anti-corrosion coating visible on the shell backs. No impact damage, no surface corrosion on the running faces. Rubber and elastomer components such as belts, seals, and gaskets may harden or degrade during extended storage — inspect before fitting. Please confirm this part number suits your vehicle before purchasing.
SKU: ENG-00336
