ACCEL 172072K 8.8mm Black Custom Fit Spark Plug Wire Set Ready to install with high capacity spiral core conductors fiberglass braid covers and extra thick silicone jackets Plug boots are made from high dielectric strength silicone and have factory installed positive locking stainless steel terminals High conductivity brass terminals on the coil end Ideal for Heritage Softails Fat Boys Dyna Glides Super Glide Customs Dynas Fat Bobs Low Rider Customs Low Glides Softails Springer Softails Cafe Racers XLH 1000s XLS Roadsters XLS 1000s and XR1000s Comes complete with a hardware kit and easy to follow instructions