Ignition Wire Separator. Retainer ring for 8 cylinder GM HEI engines. Holds ignition wire in place within a specific routing pattern. Helps to prevent crossfire - a situation where improperly routed wires induce voltage into adjacent cylinders or sensor wires.
Brand: Standard Wires
Additional Fitment Information:
1985 - GMC G3500
1 Products for Spark Plug Wire Holder.