echnologically-advanced line of products. The brand has been led by its founder, Dr. Jacobs, in perfecting an effective line of ignition products and delivering unmatched performance and fuel efficiency in the performance niche market. Every Jacobs Spark Plug Wire utilizes a stainless steel spiral core that is coated in a noise canceling compound.

This use of technology will surely ensure that what you will get is only maximum energy transfer to your vehicle’s spark plugs and with no radio noise. All Jacobs wires feature the highest quality 8.5 mm silicone jacket, boots, and terminals to ensure resistance to burning, arching, and terminal pull off. The Jacobs wires are also available with the ceramic plug boots for that ultimate in burn resistance.

The energy core plug wires from the Jacobs brand will immediately deliver improvements in both mileage and power. The energy core wires may come in either the custom fit, the pro fit, or the ultra fit type, each of which is well-engineered. Every spark plug wire from the brand will bring that noticeable improvement in engine operations. There is also a guarantee that neither leakage nor contamination will reach the spark plugs when Jacobs wires are used. The wires can withstand heat from any engine, and these replacement parts are gas/oil/solvent-proof. They have more conductivity than other street legal wires. This means that the Jacobs wires have superior radio noise suppression while still conducting electricity 280 percent better than the old fashioned spiral cores.