Spark Plug Index Washers – Tapered Seat Plugs

Spark Plug Index Washers – Tapered Seat Plugs

• 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