NGK Mazda R100 1972-1970 Spark Plug Wire Set

This NGK spark plug wire set is what you get when you need to replace the wires on your 1979-1985 Mazda RX-7. These wires are built to handle the high voltage needed to fire your spark plugs, ensuring your engine runs smoothly. They are designed to meet or exceed original equipment specifications for a reliable connection and lasting performance.

NGK uses a variable pitch resistor core in these cables. This design helps maintain consistent resistance, which is key for outstanding electrical conductivity. It also works to suppress radio frequency interference (RFI) and electromagnetic interference (EMI) across the entire frequency range, meaning less static on your radio and a cleaner signal to your ignition system. The outer jacket is made from EPDM and silicone for durability and to contain the high voltage, while the inner insulation provides excellent dielectric strength. The spark plug boots are sealed to the cable with silicone for a watertight connection, and the stainless steel terminals use multiple serrated crimps for a strong grip on the cable and a secure, positive connection to the spark plug terminal.