SUBARU IMPREZA WRX STi Ver 5, 6 SILICONE Spark Plug Wires (AP-UL620)
Ultra Silicone Power Plug wire enables high strength reliable spark, required for a high performance engine. The spark improvement even increases horsepower with a 3.8ps rise required with a performance 2L engine, 2.17ps rise with a 1.6L engine.
SUBARU IMPREZA WRX STi Ver 5, 6GC8 GF8
– High conductivity copper core
– Wire wound for fixed resistance regardless of length of the length of the cord to ensure spark in every cylinder
– Wire wound resistance in the boots eliminates any noise
– Superior durability with silicone, withstanding high heat and extreme driving conditions.