Here are some deals on spark plug maintenance and diagnostic tools, currently being sold on Amazon:
- Neiko Tools In-Line Spark Plug Tester: $7.99 (list price: $12.99)
- Lisle Spark Plug Wire Tester: $8.81 (list price: $11.52)
- Permatex Anti-Seize Lubricant, 1 oz. tube: $3.79 (list price: $4.25)
- Good Vibrations Spark Doctor Spark Plug Wrench & Tune-Up Tool: $17.99 (list price: $19.99)
All of these items are eligible for free shipping from Amazon. The Good Vibrations Spark Doctor is a handy tool to keep in your shed or glove box. You can read my full review of it on the Tools, Reviewed site.