ALL-96505 #1

Spark Plug Indexing Shims, 14MM Flat Sea


We are currently out of stock at our main warehouse. Call 1-800-373-4641 to check on availability at one of our other locations.

Spark Plug Washer - Indexing - 14 MM Flat Seat - 60 And 90 Degree Shims - Set Of 24


Stackable shims index spark plugs at 30° intervals up to 360° properly positioning ground strap in cylinder head for increased power and clearance between spark plug and piston. Shims are intended for use with 14mm flat seat spark plugs only. Package of 24 shims contains 12 silver 60°, 12 black 90°, detailed instructions and dial chart.