E3 DiamondFIRE Racing Spark Plug Wire Sets are specially designed for Small Block Chevy applications. Featuring a 90 degree boot (on the plug end) and full heat sleeving, they are engineered to work in concert with E3’s patented DiamondFIRE Racing Spark Plugs to deliver maximum spark to the engine creating more power! Boasting a proprietary design E3’s DiamondFIRE Racing Spark Plug Wire Sets will help put you in victory lane.
The E3.1501 is designed for OVER the Valve Cover applications.
The E3.1503 is designed for UNDER the Headers applications.