Moroso 71910 Spark Plug Indexing Washers, 14MM Flat Seat
- 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.