Product Description
Genuine TRW Thompson Products MS1676PA Standard (STD) Crankshaft Main Bearings (NORS)
Rebuild the bottom end of your classic first-generation small block with this premium New Old Replacement Stock (NORS) TRW crankshaft main bearing set. Manufactured in the USA, this vintage kit is a 100% complete, 5-journal full engine set in Standard Size (STD).
This kit includes all 5 factory-matched positional component boxes required to completely service the earliest iterations of Chevy's iconic overhead-valve V8.
Key Features:
- Brand: TRW Thompson Products
- Part Number: MS1676PA
- Position: Crankshaft Main Bearings (Full Engine Set)
- Size: Standard Size (STD)
- Set Quantity: 5 Component Pairs Total (Completes 1 Full Engine)
- Standard Crankshaft Journal Diameter: 2.2978" / 2.2988"
- Origin: Made in USA
- Condition: NORS (New Old Replacement Stock)
Individual Component Box Breakdown:
- 4x Plain Pairs (Part No. MB1676P): Services Main Bearing Positions 1, 2, 3, and 4
- 1x Flanged Thrust Pair (Part No. MB1769): Services Main Bearing Position 5 (Rear Main)
Fitment:
| Make | Model Lineup | Year Range | Engine Displacement | Set Completeness & Fitment Notes |
|---|---|---|---|---|
| Chevrolet | Bel Air / Nomad / 150 / 210 / Corvette | 1955–1956 | 265 CID Small Block V8 | YES (Complete 5-Main Set); Standard size journals only |
Fits Years:
1955 1956
Note on Stock Photos: Due to our inventory of multiple identical units for this specific part number, we utilize representative stock photos for this listing. You will receive a component that strictly meets all listed specifications and fitment requirements. Please be aware that because these are vintage parts, minor cosmetic variations—such as surface finish, color, or production markings—may exist between different manufacturing runs. These slight aesthetic differences are a result of historical production processes and do not impact the part's integrity, performance, or authenticity.
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.
