These are the NGK Spark Plugs for your Harley-Davidson FXSTC Softail Custom | 2007
How to Check & Set Propper Gap for Your FXSTC Softail Custom | 2007 NGK Spark Plug.
Question:
What is the correct spark plug gap for a Harley-Davidson FXSTC Softail Custom | 2007?
Answer:
0.04
Get complete specs for your Harley-Davidson FXSTC Softail Custom | 2007 >