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STDX; OE Replacement Bi-Metal - 5 pairs, Main Bearing Set for GM 262, 267, 302, 307, 327, 350
King Bearings' bi-metal SI material blends Aluminum with 2.5-3% Silicon, providing strength. Ideal for medium-load engines, particularly engines using nodular cast iron crankshafts. It excels as a Lead-free OE replacement Bearing.
Main Bearing Set for GENERAL MOTORS 262, 267, 302, 307, 327, 350 medium-load engines particularly ones using nodular cast iron crankshafts
Aluminum based material, strengthen by 2.5-3% silicon, for medium load engines or nodular cast iron crankshafts.
| Manufacturer | King Engine Bearings |
|---|---|
| Part No. | MB 557SI STDX |
| Bearing Type | Main Bearings |
| Application | GM / Chevrolet 262, 265, 267, 302, 305, 307, 327, 350 OHV 16v V8 Small Block (68-96) 2.100" Large journal |
| Pairs | 5 |
| Material | Bi-Metal Aluminum Silicon |
| Sized | STDX |
| Interchange |
| King Set No. | Part No. | Qty. | Position | Crankshaft Dim. | Housing Dim. | Length | Thickness | Flange Length mm |
|---|---|---|---|---|---|---|---|---|
| MB 557SI | M 557U M 557L | 4 | 1,2,3,4 | 2.4484 / 2.4493 | 2.6406 / 2.6415 | 0.805 | 0.0955 |
|
| F 557U F 557L | 1 | 5 | 2.4479 / 2.4488 | 2.6406 / 2.6415 | 1.722 | 0.0955 |
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