Michigan Motorsports 10mm LS Truck Spark Plug Wires 10" Length for Truck Applications - Set of 8 Wires Available in Black, Gray, Blue, Red, Orange, Purple, Green, Pink or White Michigan Motorsports' 10mm plug wires for LS-Based engines offer excellent heat resistance combined with low resistance and high noise suppression, making them the ultimate set of wires for your LS-Based engine utilizing stock location coils. The wires feature durable sleeves made of a high temp silicone and fiberglass blend to protect from abrasions and engine bay heat. Angled boots at both ends improve fitment with aftermarket headers compared to the factory wires. These wires measure 10 inches long tip-to-tip, fitting most LS-equipped Trucks with coils in the OEM mounting positions. We also have 8.5" long wires available for car applications. Please measure for fitment before ordering, as some later LS Trucks came with car length wires/brackets. Features Include: Low Resistance - 30 Ohms per Foot Excellent RFI Suppression for sensitive electronics High Temperature Silicone and Fiberglass Sleeving 45 Degree Angled Boot at Plug and Coil Ends 10mm Diameter Hand Built in the USA Common Applications (V8 Models Only): 1999-2013 Silverado 1999-2013 Sierra 2000-2014 Tahoe/Suburban 2000-2014 Yukon 2001-2014 Escalade 2003-2014 Express/Savanna Van Please measure for proper length before ordering as some trucks came with the shorter 8.5" "Car" style coil mounts/wires