Product Description
Genuine Johnson 531 (STD Standard) Main Bearing Set (NOS)
This is a premium, New Old Stock (NOS) engine crankshaft main bearing set manufactured by the Johnson Bronze Company in the USA. Designed specifically for the iconic Ford Y-Block 312 cubic inch V8 engine, this set is Standard sized (STD). This high-quality tri-metal bearing set provides the durability and heat dissipation required for vintage high-performance and daily-driver applications. This comprehensive kit includes four FD-736-CP (MB-1717P) main bearings and one FD-737-CP (MB-1718P) thrust bearing, ensuring a complete solution for 1956-1957 Ford Thunderbird, Fairlane, and Custom models, as well as 1956-1960 Mercury Monterey, Montclair, and Park Lane vehicles equipped with the 312 V8.
Key Features:
- Brand: Johnson (Johnson Bronze Company)
- Part Number: Set No. 531 STD
- Interchange: Clevite MS-195P, Sealed Power/Federal Mogul 963M
- Position: Crankshaft Main Bearings (Complete Set)
- Engine Fitment: 312 cu. in. V8 (Y-Block)
- Origin: Made in the USA
- Condition: New Old Stock (NOS)
- Specifications: Standard sized (STD)
Fitment:
| Make | Model | Year | Engine | Notes |
|---|---|---|---|---|
| Ford | Thunderbird / Fairlane / Custom / Victoria / Sunliner | 1956-1957 | 312 V8 (Y-Block) | Standard Size |
| Mercury | Monterey / Montclair / Park Lane / Commuter / Voyager / Colony Park | 1956-1960 | 312 V8 (Y-Block) | Standard Size |
Fits Years:
1956 1957 1958 1959 1960
Note on Photos: The images provided are of the actual item you will receive. Please inspect the photos carefully to confirm the condition and specific features of the part. Because these are vintage components, minor surface variations or packaging wear may be present; however, the part pictured is the exact unit being sold.
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.