Product Description
Genuine Thompson Products CB30P-30 Rod Bearings (NOS)
This is a New Old Stock (NOS) set of Thompson Products connecting rod bearings, part number CB30P-30. Engineered in the USA during the height of the American automotive era, these premium tri-metal bearings are designed for heavy-duty performance and long-lasting durability. This specific set is ground to a .030" undersize, making it the ideal solution for crankshafts that have been precision-turned to restore bearing clearances. These bearings are a critical component for restoring 1937-1953 Chevrolet 216 and 235 "Stovebolt" 6-cylinder engines, as well as GMC 228, 248, and 270 powerplants commonly found in pickups and medium-duty trucks.
Key Features:
- Brand: Thompson Products
- Part Number: CB30P-30
- Position: Connecting Rod (Set of 6 Pairs)
- Engine Fitment: Chevrolet 216, 235 / GMC 228, 248, 270 L6 Engines
- Origin: Made in the USA
- Condition: New Old Stock (NOS)
Fitment:
| Make | Model | Year | Engine | Notes |
|---|---|---|---|---|
| Chevrolet | Master / Deluxe / Special / Fleetline / Truck | 1937-1953 | 216 / 235 L6 | Requires Insert-Type Rods |
| GMC | 100 / 150 / 250 / 300 Series / Pickup | 1939-1953 | 228 / 248 / 270 L6 | Premium .030 Undersize |
Fits Years:
1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953
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.