For race-winning and maximum street bike performance, ACCEL 300 Ferro-Spiral race wire sets will give your motorcycle peak ignition output. Utilizing a thick 8.8mm silicon jacket and insulation to eliminate electrical leakage, these 300 ignition wire sets have an ultra-strong Aramid and fiberglass braiding to resist vibration and "wire stretch." They also have a low 150 ohms/ft. resistance Ferro-Spiro core to deliver maximum spark without diminishing spark energy, creating wire sets for your cycle that are durable, reliable, and efficient. ACCEL 300 Ferro-Spiral race wire sets offer winning technology for your motorcycle. Spark Plug Wires, 300 , Spiral Core, 8.8mm, Black, Pair.