Moroso 73688 Ultra 40 8.65mm Spark Plug Wires Big Block Chevy BBC RED HEI OVC

Moroso Ultra 40 Unsleeved Plug Wire Set , 73688 Big Block Chevy, Over Valve covers , 8.65mm  Red , 180° Plug Boots, HEI distributor Ultra 40 un-sleeved wires are a cost effective version of the Ultra 40 Race Wire without heat sleeving.Wires feature a Kevlar core, four times stronger than other aramid fiber cores, that increases the tensile strength of the wire while reducing its center diameter.This allows for the surrounding insulation to be thicker, resulting in greater dielectric strength.With only 40-ohms of resistance per foot these wires will increase power and fuel efficiency by bringing more spark to the plug.RFI/EMI resistant to eliminate stereo feedback or ignition interference.    Moroso Ultra 40 Spark Plug Wires for Small Block Chevy Part # Engine Distributor Color Threading Style Sleeve 73663 SBC Non-HEI Blue Over Valve Covers No 73664 SBC HEI Blue Over Valve Covers No 73665 SBC Non-HEI Blue Under Header No 73666 SBC HEI Blue Under Header N