MSD now provides the spark for the new retro all aluminum W-block. This distributor is Ready-to-Run which means you just need to connect three wires to fire up the engine. No external ignition controls are required. It has a powerful module built into the housing. This module produces a stout inductive spark that will improve the overall drivability and performance of your classic Chevy.
PN 83931 – Chevy 409/509 Aluminum Block
Featuring:
- Specially designed for the All Aluminum 409/509 Block
- Maintenance-free magnetic pick-up never requires adjusting
- Built-in ignition module delivers a powerful spark
- Simple and clean three-wire installation
- Includes built-in Rev Limiter
This story was originally published on May 30, 2015. 
