Moroso Spark Plug Indexer 28125BK Face To End of Sleeve

Face To End of Sleeve 4

3/8 in SAE Male Quick Disconnect to 6 AN Male

1971-1981 Pontiac Bonneville

Cylinder Heads Off

Floor Liner

Moroso Spark Plug Indexer 28125BK Face To End of SleeveHigh 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