Flat Seat Spark Plug Index Washers
14mm
Thicknesses: .043", .054", .064"
30/pkg = 10/size
optimizes the flame kernel's path, improves combustion efficiency, prevents spark quenching, and can prevent piston-to-plug contact in high-performance or specific direct-injection engine
Made in the USA
I have two packages unopened
$50 for both
How to recognize scam.