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Spark Plug Indexing Washers

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Moroso Spark Plug Indexing Washers

Moroso spark plug indexing washers are designed for use on all 14mm spark plugs. They include 30 washers with three thicknesses to choose from. Washers will correct the electrode placement on any plug and simplify the time-consuming task of spark plug indexing.

4.83 out of 5 stars ( 48 )

$29.99

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$34.99

Allstar Performance Spark Plug Indexing Shims

Improve the burn with Allstar Performance spark plug indexing shims. These aluminum washers make every spark count by allowing you to expose the open end of the ground strap to the fuel/air charge. The packs contain silver 60 degree and black 90 degree shims, along with instructions and a dial chart. Put your plugs in a winning position with a set of Allstar spark plug indexing shims.

4.63 out of 5 stars ( 8 )

$21.99

JR Race Car Spark Plug Index Washers

Indexing your spark plugs makes a huge improvement in how your race car drives. JR Race Car spark plug index washers are flat seat-styles precision-stamped from copper. There are three thickness sizes per package. Every little bit counts when tuning for that extra ounce of available power.

4.6 out of 5 stars ( 5 )

$7.99

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