Fits Various vehicles Iridium Pro Spark Plugs-14x26.5x16mm-Heat Range 9 Z1003100 carbureted-regulators 6 V8 1971 Dodge Dart

6 V8 1971 Dodge Dart Swinger 340/5

Replacement rotor and vane kit for 12-801-1 "Red

Sterling Truck LT9500 (2006-2008)

Oldsmobile Firenza (1982-1983

Fits Various vehicles Iridium Pro Spark Plugs-14x26.5x16mm-Heat Range 9 Z1003100 carbureted-regulators 6 V8 1971 Dodge DartAPR Iridium Pro Spark Plugs are the excellent upgrade for tuned engines. Our spark plugs are made from Iridium, which is one of the strongest materials you can use in this type of application. They run cooler, resist preignition, last longer than other materials with higher melting points, and even require less voltage to produce a strong spark. The electrode is harder and stronger than other materials, can dissipate heat more easily, is better