Moroso 73535 Moroso GM LS Ignition Wire Set - Ultra 40 - Sleeved - 8in - BlueMoroso 73535 Moroso GM LS Ignition Wire Set Ultra 40 Sleeved 8in Blue Ultra 40 Custom Fit Wire Set, Blue Wire, Sleeved, GM LS Series, Coil on Plug Boots, Short Exterior sleeving offers improved dielectric strength for added resistance to outside pulses while electrical protecting wire against heat, chafing and contaminants 7mm diameter wire with 40 ohms of resistance per foot Sleeving adds extra dielectric strength Sleeving extends spark plug wire