Product Description
Genuine Sealed Power MS197P Main Bearing Set (Standard)
Restore the smooth operation of your classic "Stovebolt" six with this genuine Sealed Power MS197P Main Bearing Set. This is a vintage New Old Stock (NOS) part, preserved in its original packaging. This set is engineered for the later model Chevrolet 235 and 261 Inline-6 engines, featuring the correct oil hole configuration for full-pressure lubrication systems.
This part is designed for the Crankshaft Main position on specific 1956-1963 Chevrolet and GMC vehicles equipped with the 235ci (3.8L) or 261ci (4.3L) Inline-6 engines.
Vintage Sourcing Note: To ensure consistent availability of these hard-to-find parts, we source our inventory from several premier US manufacturers. While the specific brand packaging may vary based on current stock, we guarantee that you will receive a genuine, American-made component that is fully interchangeable and verified to fit the advertised application 100%.
Key Features:
- Part Number: MS197P (Sealed Power)
- Interchange / Replaces OEM: 960M, MS-1721P, MS-197P, 3728616
- Position: Crankshaft Main Bearings (Complete Set)
- Size: Standard (STD)
- Engine Fitment: Chevy Inline 6 (235, 261)
- Era: Late "Stovebolt" (1956-1963 Full Pressure)
- Origin: Made in USA (Vintage Stock)
- Condition: New Old Stock (NOS)
Verified Vehicle Fitment:
| Make | Model | Year | Engine | Notes |
| Chevrolet | Bel Air / 210 / 150 | 1956-1957 | 235ci Blue Flame 6 | Tri-Five |
| Chevrolet | Impala / Biscayne / Brookwood | 1958-1962 | 235ci Hi-Thrift 6 | Full Size |
| Chevrolet / GMC | Truck (C/K Series / Apache) | 1956-1963 | 235ci, 261ci I6 | Thriftmaster / Jobmaster |
| Chevrolet | Corvette (C1) | 1953-1955 | 235ci Blue Flame | Check Journal Size |
Fits Years:
1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963
Unbeatable Prices & Expectations
We scour the country to find the best deals on NOS and NORS parts so we can pass the savings on to you. Our prices are often significantly lower than major competitors.
Please Note: All vehicle fitment data is manually researched from vintage catalogs. While we strive for accuracy, historical data can sometimes be imperfect. Additionally, this part may fit other vehicle makes, models, and years not explicitly listed. We strongly encourage you to perform your own due diligence by comparing our provided photos and specifications to your original part to ensure proper fitment before purchasing.
