What is the differnes between. NGK B7HS and NGK BR7HS Thanks Don.
D Don. Cadet Joined Feb 16, 2009 Messages 23 Feb 23, 2009 #1 What is the differnes between. NGK B7HS and NGK BR7HS Thanks Don.
I iang Seaman Apprentice Joined Feb 7, 2009 Messages 35 Feb 24, 2009 #2 Re: Mariner 30hp spark plugs. BR7HS has a built in resistor for spark suppression to help stop radio interference
Re: Mariner 30hp spark plugs. BR7HS has a built in resistor for spark suppression to help stop radio interference
D Don. Cadet Joined Feb 16, 2009 Messages 23 Feb 24, 2009 #3 Re: Mariner 30hp spark plugs. Thanks Don.
