Moroso Spark Plug Indexer Aluminum Cylinder Heads Lock Nuts / Washers included

Lock Nuts / Washers included

Solid steel mudplug with removable center plastic cap replaces outer ring on your beadlock

Genuine Bosch LSU 4

Available for most domestic V8 applications

Machine Rolled 14mm Threads Protect Your Valuable Cylinder Heads

Moroso Spark Plug Indexer Aluminum Cylinder Heads Lock Nuts / Washers 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