Moroso 73659 Moroso GM LS Ignition Wire Set - Ultra 40 - Unsleeved - Coil-On - Alum Shielded - 9.75in Wire - BlueMoroso 73659 Moroso GM LS Ignition Wire Set Ultra 40 Unsleeved Coil On Alum Shielded 9. 75in Wire Blue Ultra 40 Ignition Wire, GM LS With Aluminum Shields, Blue Our race proven Ultra 40 Race Wire, available without heat sleeving 7mm diameter wire with 40 ohms of resistance per foot Complete, ready to install sets available for specific engines Wire for each cylinder is labeled