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SP1 Spark Plug Indexing Washer Kit

Item: 417883

$13.66 – $14.27

Universal Fit: Review specifications carefully.

SP1 Spark Plug Indexing Washer Kit


  • Indexed spark plugs provide better fuel mileage and increased spark plug life
  • Align electrode with intake port
    • Hottest part of spark flame meets fuel charge head-on
  • Mark electrode side of plug and index with various washers to achieve correct aim
  • Includes 8 anodized aluminum washers for 2-cylinder applications
Specification Details
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