Olds 455 Cast Steel Crank - 4.500 Stroke

The Olds 455 Cast Steel Crank with a 4.500-inch stroke is designed for serious big-block engine performance, catering to builders who prioritize reliability under extreme conditions. This crankshaft is specifically engineered for Oldsmobile 455 applications, making it an essential component for high-displacement builds that demand exceptional durability.

Constructed from cast steel, this crankshaft provides the material integrity necessary for high-RPM and high-boost applications while remaining cost-effective compared to forged alternatives. The 4.500-inch stroke works in conjunction with standard 455 bore dimensions to maximize cubic inches, enhancing leverage on the pistons and boosting low-end torque output, which is especially beneficial for both drag racing and street cruising.

This crankshaft is ideal for enthusiasts focused on building vintage Oldsmobile performance engines, drag racing platforms, or street machines. Its precise journal sizing and balance characteristics ensure smooth operation across varying engine speeds and loading conditions, making it a reliable choice for performance applications.