Compstar Forged 4340 Steel Crankshaft
Manufactured from premium AISI 4340 steel, Compstar crankshafts are the most durable in their class. Crankshafts are offered in a variety of strokes and journal sizes to suit most cubic inch requirements.
- Application: Small Block Chevy
- Stroke: 4.000″
- Main: 2.449″
- Pin: 2.100″
- Rod Length: 6.000″
| Brand | Callies |
| Part Number | SAO113-CS |
| Product Line | Compstar |
| Weight | 56.3 lbs |
| 1 / 2 Piece Rear Main Seal | 2-Piece |
| Nitrided | Yes |
| Stroke | 4.000 in |
| Mains | 350 |
| Main Journal Diameter | 2.448 in |
| Rod Journal Diameter | 2.100 in |
| Narrowed Bearings Required | Yes |
| Intended Balance | Internal |
| Minimum Rod Length | 6.000 in |
| Snout Style | Standard |
| Crankshaft Key Quantity | 1 |
| Flexplate / Flywheel Mounting Bolt Quantity | 6 |
| Alloy | 4340 |
| Material Style | Forged |
| Material | Steel |
| Color | Natural |
| Finish | Natural |
| Quantity | Each |
Crankshaft – Compstar – 4.000 in Stroke – Internal Balance – Forged Steel – 2 Piece Seal – Small Block Chevy – Each – MPN: SAO113-CS










