Red 10mm Spark Plug Wires for Harley Davidson Big Twin 1999-2017 FX FXD Dyna/FXST ST Softail, 99DYNA-RD-10MM

Red 10mm Spark Plug Wires for Harley Davidson Big Twin 1999-2017 FX FXD Dyna/FXST ST Softail, 99DYNA-RD-10MM

90 degree plug boots / straight coil boots Consists of one 8" and one 20" long wires pre-crimped. Great for replacement wire, relocation kits, new look, bobbers, scramblers, cafe racer etc. Fits factory coil location on 1999-2017 Harley-Davidson Big-Twin that has the coil mounted on the seat post. Built to meet or exceed OEM specifications. Great replacement for old worn out spark plug wires. Ton's Performance wires are built with a spiral wound alloy conductor with a high dielectric insulator, and 2 layers of silicone with final thickness of 10mm to protect against heat and tears. Ton's is one of very few companies that offers custom wires for many different applications in the aftermarket motorsports world.