NGK PLUGS
BTW the 97382 is the stock number and GR4IX tells you what the plug is per the chart below.
BKR6E is what I run in my small blocks. Both iron and alum heads
BTW the 97382 is the stock number and GR4IX tells you what the plug is per the chart below.
BKR6E is what I run in my small blocks. Both iron and alum heads