Spark Plug Coin Gauge 0.02-0.1 inch
38mm diameter. Measures spark plug gaps from 0.02 - 0.1 inch. There is a hole in the top so you can wear it like a medallion.
Delivery and Returns
We want you to be happy with your purchase. If you're not, just return the products to our warehouse. Unless faulty, we'd like this to be within 30 days of purchase. Exceptions apply to certain products.