Product Description
Genuine Michigan MS-429 P-10 Main Bearing Set (.010 Undersize NORS)
Restore the heart of your classic American vehicle with this genuine Michigan MS-429 P-10 Main Bearing Set. This New Old Replacement Stock (NORS) set is proudly Made in the USA and designed for a precise .010" undersize fit, ensuring optimal performance for your engine rebuild. It provides critical support for the crankshaft, maintaining proper oil clearance and reducing friction in 1949-1956 Oldsmobile models equipped with the iconic Rocket V8 engine (303 and 324 CID), as well as 1955-1956 GMC Trucks featuring the 287 V8.
Key Features:
- Brand: Michigan
- Part Number: MS-429 P-10
- Replaces OEM number: 1159663, 1159611, 1159681, 1159614
- Interchange: Federal-Mogul 1681M
- Position: Main Bearings (Positions 1-5)
- Engine Fitment: Oldsmobile Rocket V8 (303, 324 CID), GMC 287 V8
- Origin: Made in USA
- Condition: NORS (.010 Undersize)
Fitment:
| Make | Model | Year | Engine | Notes |
|---|---|---|---|---|
| Oldsmobile | 88 / Super 88 / 98 | 1949-1956 | 303 / 324 V8 | .010 Undersize |
| GMC Truck | 100 / 150 / 250 Series | 1955-1956 | 287 V8 | .010 Undersize |
Fits Years:
1949 1950 1951 1952 1953 1954 1955 1956
A Note on Fitment Accuracy: We manually research our fitment data using vintage manufacturer catalogs to provide you with the most accurate information possible. However, because we are human and these decades-old resources can occasionally contain errors, we cannot guarantee 100% accuracy. We strongly encourage you to perform your own due diligence and verify this part number for your specific application before purchasing. Please note that this part may also fit other vehicles or years not explicitly listed in our research.
Unbeatable Prices & Expectations
While many of our vintage parts were manufactured decades ago, they remain unused and high-quality. Some original boxes may show signs of shelf-wear, such as dust, tape, or surface distress from years of storage. Rest assured, the components inside have been inspected to ensure they are complete and ready to help you finish your project without breaking the bank.
