Ftiment: Compatible with Johnson Evinrude 150 and 175 HP 6 Cylinder Features: Wire set is made of 8 mm premium silicone wire. They have pure silicone boots for maximum heat protection and stainless steel cores. Two wires measure approximately 13 1/2, the other four measure approximately 15 1/2. 100 Percent New Spark Plug Wire,Easy to install & Works Great! Make Your BOAT Running like new! Package includes: Set 6 spark plug wires