30839 MSD Super Conductor Spark Plug Wire Set Chevy Pro Stock Head. Special ZR1 Boot is incorporated. Designed for the Chevy Pro Stock head, these 8.5mm wires incorporate a special boot for the spark plug.
90 degree boots and terminals are supplied to be installed on the distributor side. Extra long 8.5mm wire so you can cut to your desired length; Distributor cap boots and terminals included; Includes Mini-Stripper-Crimper.So we have a chance to make it right - we want your repeat business! Check out the official MSD Performance.