Ngk BPR6EIX-11 Spark Plug - 3903 For Harley Sportster 1000 1983-1984 Brand_J & M 375" Inside Mounting Width 6

375" Inside Mounting Width 6

High-quality replacement fork seals

HexTex grips' faceted surface provide an exciting visual element

and rivet your chain with one compact tool

Standard or heavy-duty spring rates

Ngk BPR6EIX-11 Spark Plug - 3903 For Harley Sportster 1000 1983-1984 Brand_J & M 375" Inside Mounting Width 6Features The ultimate in the evolution of spark plug technology and performance from the industry leader The iridium electrode is 25% smaller than a platinum electrode, and it's just 1 4 the size of a conventional nickel electrode Ultra small diameter center electrode reduces voltage requirement and extends ignition system life New metal shell plating has enhanced anti corrosion qualities Specs Spark Gap 1. 1 mm Center Electrode Type Necked Down