Jacobs Energy Core Spark Plug Wires

The Spark Plug Wire that actually increases power and mileage, and provides quicker, easier starting.  These Wires are 8.5mm thick with a spiral core conductor and 100% silicone insulation. The 8.5 thickness is optimal, because thicker wires slow down spark travel. No radio interference... MORE
 

Jacobs Pro Fit Ceramic Energy Core Spark Plug Wire
Finished with a ceramic boot that can withstand up to 2,000 degrees F.  Designed for cramped engine compartments where other wires would burn, or when high performance headers are used... MORE
 


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