ACDelco Spark Plug Wire - 356J Part #: 356J Line: ACD ACDelco Spark Plug Wire 1 Year Limited Warranty Length (in): 29-1/8 Inch Length (mm): 740mm Outside Diameter (mm): 7mm Conductor Material: Carbon Fiberglass Boot Color: Black Insulation Material: Fiberglass Braid Spark Plug End Boot Angle (Deg): Straight Coil End Boot Angle (Deg): 90 Degree Show More Show Less