Part Number
SHI-14F

Shimdex 14F Spark Plug Indexing Washers, Flat

14mm Spark Plugs with Flat Seat
$19.95
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⚠ PROP 65 WARNING
⚠ WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer. Please contact us to obtain a list of harmful chemicals. For more information, go to www.P65Warnings.ca.gov.
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We all know the benefits of indexing our spark plugs. We also know all too well the challenges of the indexing process. We purchase twice as many spark plugs as what we need in hopes that we can get them properly indexed. Even then, we may have to purchase more spark plugs or settle for close rather than a perfect orientation of the ground on the spark plug. Not to mention, this whole process can take FOREVER.

SHIM-DEX is a system for perfectly indexing your spark plugs every time and it only takes minutes. Now, any spark plug will work in any hole at any time. SHIM-DEX shims rotate the ground of the spark plug counter clockwise at 30 degree intervals anywhere within 360 degrees. That is 12 different potential locations with one spark plug by simply utilizing these extremely thin stackable shims.

The SHIM-DEX system is made up of two color coded thicknesses of shims enabling 60 degree and 90 degree counter clockwise rotation. So, if you need to adjust the ground 120 degrees, you would use 2 (silver) 60 degree shims. A 150 degree adjustment would require 1 (silver) 60 degree shim and 1(black) 90 degree shim, and so on.

The SHIM-DEX kit comes with easy to follow instructions and easy to use chart that will tell you which shim or combination of shims you will need to achieve your desired ground electrode orientation.
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Price $19.95
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