The Speedmaster PCE392.1003 is a replacement starter mounting block designed for Mopar and Chrysler small block and big block engines, including the 318, 340, 360, 383, and 440 cubic inch applications. This block provides a reliable mounting solution to properly position and secure the starter motor on compatible engines.
Engineered as a direct replacement, this starter mounting block helps restore correct starter alignment and fitment on your Mopar or Chrysler engine build. Whether you are refreshing an existing setup or completing a new engine assembly, the Speedmaster PCE392.1003 offers a straightforward, application-specific solution for these popular engine families.