Michigan Motorsports 10mm LS Spark Plug Wires 8.5" Length for Car Applications - Set of 8 Wires 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 8.5 inches long tip-to-tip, fitting most LS-equipped cars with coils in the OEM mounting positions. We also have 10" long wires available for truck applications. 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