Moroso Spark Plug Indexer 28125BK These are not thermostatically controlled

These are not thermostatically controlled

Cylinder Heads Off

Oil / Trans / Water

These super tough gears show great promise in solving the wear issues associated with bronze gears in racing applications

Moroso Spark Plug Indexer 28125BK These are not thermostatically controlledHigh 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