Spark Plug Index Washers Flat Seat Spark Plug Washer - Indexing - 14 mm Flat Seat - 0.043 in / 0.050 in / 0.064 in Thick - Set of 30

Spark Plug Indexer - Hex Head Vise Mount - 14 mm Flat / Tapered Plugs - Aluminum - Black Anodized - Each

Spark Plug Index Tool Spark Plug Indexer - 14 mm Flat / Tapered Plugs - Plastic - Black - Each

Spark Plug Index Shims 14mm Spark Plug Washer - Indexing - 14 mm Flat Seat - 60 and 90 Degree Shims - Set of 24

Spark Plug Index Shims 14mm Small O.D. Spark Plug Washer - Small OD - Indexing - 14 mm Flat Seat - 60 and 90 Degree Shims - ALL-PRO Heads - Set of 24

Spark Plug - Double Platinum - 14 mm Thread - 1 in Reach - Gasket Seat - Resistor - Each