Proform Spark Plug Indexing Tool High-compression race engines require "indexing" of spark plugs to prevent contact between piston dome and ground wire of the spark plugs. The hex-head design allows it to be held in a vise. Designed for both flat and taper-seat 14mm spark plugs, enables selection of spark plugs that will not make such contact.
Part Type: Spark Plug Indexing Tool Spark Plug Thread Size: 14mm Indexing Tool Material: Aluminum Indexing Tool Finish: Red Anodized Manufacturer: Proform Parts Manufacturer's Part Number: 66795 UPC: 037995317950 Weight: 1.00 lbs. Warranty: https://www.proformparts.com/warranty-information Quantity: Sold as Each
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