Moroso 71910 - Spark Plug Indexing Washers, 14mm Flat Seat

Spark Plug Indexing Washers Use w/PN[62160] 14 mm Spark Plugs w/5/8 in. Hex Tapered Seat Incl. 30 Washers - 10 0.040 in. Thick/10 0.050 in. Thick/10 0.064 in. Thick • 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