Feature●Compatible with Ford Big Block 332 351C 351M 352 360 361 370 390 400 427 428 429 460 514 BBF.Please make sure to check fitment before purchase.●Replace Spark Plug Wire Set:The perfect replacement for original parts.●High Performance Racing Spark Plug Wires adopts silicone insulation technology, high temperature resistance -40 degrees to +220 degrees, high voltage 25KV.●The wire core adopts silicone conductor, which has stable resistance and superior conductivity; the wire body is multi-layer reinforced and the service life is more durable.●Tips: Please confirm whether the wiring harness is compatible with your vehicle before purchasingDescription