; 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
- For all 14mm spark plugs with 5⁄8 hex
- With (3) thicknesses in each package, one will correct electrode placement on any plug & simplify indexing
- Precision stamped from copper for perfect sealing & heat transfer
- 30 pack, 10 each size.