#3-50 Pictured Left --------------- #3-51 Pictured Right
Ultima® premium spark plugs deliver a quick and clean spark for easy starting, less misfires and a good clean burn. These are the same spark plugs used in
our Ultima® Competition Series Engines providing improved fuel efficency
for customers world wide.
3-50 For Big Twin EVO Motors, OEM 32311-83
3-51 For Twin Cam® Motors 1999 &Later & XL 1986 - Latrer, OEM 32317-86
