MSD Ignition Digital 6A Ignition Kit for Small/Big Block Chevy [Short or Tall Deck]
MSD Ignition 6425 Digital 6AL Ignition Control Box with Built-In Adjustable Rev-Limit Control
Circle Track & Road Racing
What Are MSD 6-Series Ignition Control Boxes Common Pros and Cons?
MSD 6-Series ignition control boxes are the entry-level option to obtaining multiple spark (at idle) and larger spark (at higher rpms) to improve starting, combustion, idle quality, throttle response, fuel economy, and more. There are not any known negative effects from purchasing and using MSD 6-Series ignition control boxes.
Which MSD 6-Series Ignition Control Boxes Are Best?
When selecting an MSD 6-Series ignition box, the first step is determining which ones have the options you need (for example, rev-limiter, 2-step, etc.). From the remaining options, choose the color and box that best fits your budget.
How Much Do MSD 6-Series Ignition Control Boxes Cost?
MSD 6-series ignition control boxes range in price from around $300 to $750, depending on options and applications.