Eagle Oldsmobile 455 4.250in Stroke Cast Crankshaft

If you're rebuilding the heart of your classic Oldsmobile and looking for a solid crankshaft that offers more than stock, this Eagle cast crankshaft is a great place to start. It's designed to replace your original OE crankshaft but offers an improved design for better strength. This is a popular choice for those building naturally-aspirated, pump-gas engines for road cars that aren't intended for extreme competition.

What sets this crankshaft apart is its construction and design details. The fillet radii at the journals are increased to .092 inches, which significantly boosts the crankshaft's overall strength compared to a standard OE unit. This enhanced strength means it can handle more stress without issue, and importantly, you can still use your original equipment replacement bearings, simplifying the build process. It's a well-built component that provides a reliable foundation for your engine's performance.

This crankshaft is designed to fit a wide range of Oldsmobile models from the late 60s through the mid-70s, including popular vehicles like the Oldsmobile 442, Delta 88, and Cutlass. When you're putting together a performance engine, starting with a strong, well-made crankshaft like this Eagle unit is a critical step toward achieving your goals. It's a component that balances improved strength with practical application for street-driven vehicles.