Spark Doctor spark plug tune-up tool online price comparison

The Good Vibrations Spark Doctor spark plug tune-up tool is a multi-tool designed specifically for working with spark plugs.  It includes a gauge, a gapper, a brush, several sockets, and more, all in one handy tool.  (Read the full review here.)

Below are current prices for this innovative tool from various websites.  The prices are current as of this posting, but they do not include any applicable shipping and handling charges.

- Amazon.com:   $16.54
- FleetFarm.com:   $16.99
- GreenPartStore.com:   $17.95
- Casa.com:   $18.99
- Sportys.com:   $19.95
- LeeValley.com:   $21.50
- AMLeo.com:   $21.99  ($19.99 if you buy 3 or more)
- Wayfair.com:   $39.99