409 Pro-Race spark plug wire set. Blue

4-wire set. Includes one 34" 90° coil 135° plug + one 30.5" 90 coil PC plug (front) + one 18" 90° coil 135° plug + one 17.25" 90° coil PC plug (rear). Ready to install spark plug cable set with a Spiro-Pro core with .409" Pro Race (10.44mm) diameter cables that feature a spiral wound core with 350 Ohm/ft. resistance for excellent EMI and RFI suppression. With a 3-layer silicone technique, consisting of a 10.4", an 8" and a pure silicone inner core. Layers are separated with a heat treated fiberglass woven mesh below the first layer and a fiberglass braid below the second layer for pull strength. Offers 600°F (315°C) continues heat protection. The plug boot is 100% pure silicone around a double spring locking terminal for a positive and vibration resistant connection to the spark plug.