7mm wire diameter, high performance spark plugs wires with quality plastic material insulation technology, good electrical conductivity, high temperature resistance -40 degrees to +220 degrees, high voltage 25KV. Easy installation and direct replacement, plug and play style which has stable resistance and superior conductivity The wire body is multi-layer reinforced and the service life is more Tips: Please confirm whether the wiring harness is compatible with your vehicle before purchasing Part Number: 6718127 560285789AB name:Ignition Spark Plug Wires Fitment: Compatible with for Durango V8 5.7L 2004-2005 Compatible with for Ram 1500 V8 5.7L 2003-2005 Compatible with for Ram 2500 V8 5.7L 2003-2005 Compatible with for Ram 3500 V8 5.7L 2003-2005 Colour:Black Material:plastic Package Contents: 8 x Ignition Spark Plug Wires Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.