Big Block (V8)
-
'Splitfire' Hi-Performance Spark Plug : suit Big-Block V8
The patented splitfire 'v' design on the side electrode is instrumental in helping to improve combustion efficiency. because the flame kernel is not blocked by the side electrode as in other spark plugs, it can travel upward through the "v" notch into the combustion chamber. that's the splitfire performance ''v'' advantage. Learn More