Steel Crank Hub - SBC .005 Undersize

The Steel Crank Hub - SBC .005 Undersize by ATI Performance is a precision-engineered crankshaft component specifically designed for small-block Chevrolet (SBC) engine builders and high-performance enthusiasts. This undersize hub is tailored for stroker or custom crank applications where standard sizing does not meet specific build requirements. It is ideal for those assembling street engines, race motors, or restoration projects.

Manufactured from durable high-strength steel, the Steel Crank Hub provides the necessary structural integrity for consistent engine operation across various RPM ranges. The .005-inch undersize specification is critical for compatibility with specific custom or modified crankshaft journals, particularly when working within tight tolerances during engine rebuilds. ATI Performance's engineering ensures concentricity and balance, which are essential to prevent vibration and premature wear on components like water pumps and alternators.

Mechanics and engine builders focused on SBC platforms—from 265 to 400 cubic inches—will find this component's precision fit beneficial for undersize journal applications. Proper installation requires careful alignment during crankshaft assembly to ensure optimal performance. This hub is a reliable choice for those looking to enhance their engine's performance while maintaining compatibility with specific crankshaft modifications.