ZZP LS4 10mm Performance Ignition Spark Plug Wires Gaskets & Adhesives spraying fuel outside of the

spraying fuel outside of the optimum injection window results in poor combustion and significantly reduced power output

However we recommend at least the 90# valve springs and Retainers that we offer

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Stock core dimensions:

For W Body's that are already equipped with 12" rotors

ZZP LS4 10mm Performance Ignition Spark Plug Wires Gaskets & Adhesives spraying fuel outside of theThese ZZP LS4 10MM Performance Ignition Spark Plug Wires have been improved to be more durable and give you a more powerful spark for your money. ZZP wires have a lower resistance than factory wires but they are not directly comparable to other wires on the market. Metal changes resistance based on temperature. ZZP wires are designed so that during use the resistance increases at a different rate than a standard metal core wire. We do this after