Moroso Spark Plug Indexer AN to O-Ring Fittings Choke Plate included

Choke Plate included

Quick Change Rears Ends

Advertised Duration 280/280

These headers come from the factory with a temporary black paint to prevent corrosion while awaiting installation

two -8AN fittings and four -6AN x 3/8" hose barb fittings

Moroso Spark Plug Indexer AN to O-Ring Fittings Choke Plate includedHigh 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