Red 8.5mm Spark Plug Lead Set Fits GM LS2/3 engines 12" length

Xpro Red 8.5mm Spark Plug Lead Set is engineered for GM LS2 and LS3 V8 engines, offering a precise 12" length per wire for clean, efficient routing in typical LS engine bays. Built to withstand under-hood heat and demanding driving conditions, these leads deliver consistent ignition performance across all cylinders.

• 8.5mm diameter spiral-wound copper conductor for strong signal transmission and durability
• High EMI suppression to minimize electrical interference with aftermarket systems and engine sensors
• Low resistance of 40–50 ohms per foot to help preserve ignition energy and response
• Hi-temperature, durable silicone sleeves and boots for reliable performance in extreme heat
• Outer cover available in red or black to match your build or preference
• Specifically designed to fit GM LS2 and LS3 engines for straightforward installation

These spark plug leads are more than just a replacement part; they’re a purpose-built upgrade that supports stable idle, crisp throttle response, and long-term reliability in LS-swap or stock LS2/LS3 setups.