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4.0L TJ/LJ Performance Spark Plug WiresTime 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.

This is the most powerful bolt-on supercharger kit on the market and the most cost-effective

Spark Energy is measured in Millijoules (mj)

cylinder flame speed is increased thus adding up to 15-20hp

and best of all

2007 - Current: Jeep Grand Cherokee V8 (note: early 2007 vehicles might have have a gen III engine) 5

equip your Wrangler with coolant hoses that are as resilient as your Jeep

Not compatible with the Stock Air Box

and consistent voltage regulation under demanding conditions

You are purchasing the highest quality

Heat resistant outer housing

NGK V-Power Spark Plugs fit the following vehicles:

preventing air from entering the crankcase through the OEM PCV valve or the intake hose