Product Description
Genuine Republic RS-250 Crankshaft Gear (NORS)
This Republic RS-250 crankshaft gear is a New Old Replacement Stock (NORS) component, proudly Made in USA by Republic Gear Co. It is designed for a wide range of 1951-1964 Ford, Mercury, and Edsel V8 engines, including the 239, 256, 272, 292, and 312 cubic inch displacements. This 21-tooth gear is a critical part of your engine's timing system, ensuring precise synchronization for optimal performance in your classic vehicle.
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.
Key Features:
- Brand: Republic Gear Co.
- Part Number: RS-250
- Replaces OEM number: B8A6306A, B8A6306B, B8A5306B
- Position: Crankshaft
- Engine Fitment: Ford V8 239, 272, 292, 312; Mercury V8 256, 292, 312; Edsel V8 292
- Origin: Made in USA
- Condition: NORS (New Old Replacement Stock)
Fitment:
| Make | Model | Year | Engine | Notes |
| Ford | Customline / Mainline / Crestline / Victoria | 1951-1954 | 239 V8 | 21 Tooth |
| Ford | Fairlane / Customline / Mainline / Victoria / Ranchero / Thunderbird | 1955-1957 | 272 V8 | 21 Tooth |
| Ford | Fairlane / Customline / Mainline / Victoria / Ranchero / Thunderbird | 1956-1957 | 312 V8 | 21 Tooth |
| Ford | Fairlane / Galaxie / Custom 300 / Custom 500 / Country Sedan / Country Squire / Courier / Ranchero / Thunderbird | 1957-1962 | 292 V8 | 21 Tooth |
| Ford Truck | F-100 / F-250 / F-350 | 1954-1964 | 239 / 256 / 272 Mtd Duty V8 | 21 Tooth |
| Ford Truck | F-100 / F-250 / F-350 | 1956-1964 | 292 Mtd Duty V8 | 21 Tooth |
| Mercury | Monterey / Montclair | 1954 | 256 V8 | 21 Tooth |
| Mercury | Monterey / Montclair / Turnpike Cruiser / Park Lane / Commuter / Colony Park | 1956-1960 | 312 V8 | 21 Tooth |
| Mercury | Monterey / Montclair / Meteor | 1961-1962 | 292 V8 | 21 Tooth |
| Edsel | Pacer / Ranger / Corsair / Citation / Villager | 1959-1960 | 292 V8 | 21 Tooth |
Fits Years:
1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964
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.
