Moroso Spark Plug Indexer IH100020 Requires Four 18 in

Requires Four 18 in

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and engine fasteners

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stainless steel T-Bolt clamp

Moroso Spark Plug Indexer IH100020 Requires Four 18 inHigh compression race engines require "indexing" of spark plugs to prevent contact between piston dome and the ground wire of the spark plugs Moroso's "Indexer, " designed for both flat and taper seat 14mm spark plugs, enables selection of spark plugs that will not make such contact Once a given plug is selected (placed in a cylinder head and found to have the correct ground wire position), it is placed in the Moroso Plug Indexer and the position of