E3 Spark Plugs Twin Cam 1999-Later & Sportster 1986-Later HD# 6R12

Weight: 0.12 Developed by researchers from leading engineering universities, E3's patented Edge-to-Edge electrode design delivers maximum performance with increased efficiency More power and reduced emissions Improved fuel economy and longer engine life Sold Each E3 Spark Plugs Fits Twin Cam 1999-Later & Sportster 1986-Later Replaces HD# 6R12 By: E3 SPARK PLUGS