Spark Plug Indexing Washers, Flat Seat, .040″, .050″, .064″
Designed for use on all 14mm spark plugs with 5⁄8″ hex
With three thicknesses in each package, one will correct the electrode placement on any plug and simplify the time-consuming task of spark plug indexing
The washers are precision stamped from copper for perfect sealing and heat transfer
30 per pack, 10 each size
