View our Specials! Coupon Code: SaveIn2026
Looking for aftermarket parts to modify or upgrade your Honda CB650SC Nighthawk with spark plugs? At Tunersports.com we carry a huge selection of the top name brand performance spark plug parts and accessories.
 OUT OF STOCK 97768NGK standard plugs are constructed for longer life and optimum performance.... NGK BLYB Spark Plug Box of 6 (DPR8EA-9) 1983-1985 Honda CB650SC Nighthawk Base $43.67 |
 IN STOCK 2202The improved throttle response, superior anti-fouling and high-ignitability makes Iridium IX® the ideal choice for any performance enthusiast. Iridium's high melting point is perfectly suited to today's high-temperature engines, delivering outstanding acceleration, fuel efficiency and durability.... NGK Iridium Spark Plug Box of 4 (DPR8EIX-9) 1983-1985 Honda CB650SC Nighthawk Base $55.51 |
 IN STOCK 6681The improved throttle response, superior anti-fouling and high-ignitability makes Iridium IX® the ideal choice for any performance enthusiast. Iridium's high melting point is perfectly suited to today's high-temperature engines, delivering outstanding acceleration, fuel efficiency and durability.... NGK IX Iridium Spark Plug Box of 4 (DRR8EIX) 1982-1982 Honda CB650SC Nighthawk Base $55.51 |
 IN STOCK 2923NGK standard plugs are constructed for longer life and optimum performance.... NGK Nickel .5 Spark Plug Box of 10 (DR8ES-L) 1982-1982 Honda CB650SC Nighthawk Base $52.47 |
 IN STOCK 4929NGK standard plugs are constructed for longer life and optimum performance.... NGK Standard Spark Plug Box of 10 (DPR8EA-9) 1983-1985 Honda CB650SC Nighthawk Base $51.88 |