4.0L TJ/LJ Performance Spark Plug Wires bolt-on-kit Constructed from durable carbon fiber

Constructed from durable carbon fiber

coil pack internals: upgraded windings)

8mm protective silicone housing for maximum heat protection and ensuring compatibility with stock wire holders

the i3 internal computer recognizes the vehicles PCM and automatically picks the proper tuning files designed specifically for that PCM

if racing is what you're looking for then consider the numbers

4.0L TJ/LJ Performance Spark Plug Wires bolt-on-kit Constructed from durable carbon fiberTime for a tune up? Installing a supercharger or Long Tube Header? There's no time like the present to treat your TJ LJ to these high performance spark plug wires. Auto or 6spd 6 cylinder engine. Black with MOPAR Orange stripe and RIPP logo. 7. 8mm diameter. High heat resistant silicone construction. High heat resistant MOPAR Orange Boots.