View Single Post
Old 01-21-2016, 11:24 PM   #12
Kray_Z-1
Junior Member
 
Join Date: Jan 2016
Posts: 17
Default Re: Spark plug shims

Quote:
Originally Posted by JWL View Post
The indexing "washers" replace the original plug gasket for the purpose of aligning the plug ground strap to the desired location. The variety of thickness options allows for differing thread calibrations so most rotational locations can be accommodated.
Yes I understand the true purpose of the indexing washer. I did ask Speedway about the use of them, they say to use them WITH the gasket.
Kray_Z-1 is offline   Reply With Quote