Taylor Cable 74655 Spiro-Pro Spark Plug Wire Set - 8 mm - Blue Fits select: 1977-1995 FORD F250, 1992-1995 FORD F350

350 Ohm Per Foot Resistance Spiro-Wound With Stainless Steel Wire Covered With A Conductive Fluorocarbon Material Provides More Fire Power To the Spark Plugs Two Layers Of 100 percent Pure Silicone Eliminates Radio Frequency Interference Wire Color Blue