STILLEN 606330 Grounding Kit - Silver Wires - 02-06 Altima 2.5L / 02-06 Sentra Spec V Silver Wire Kit; Application-Specific Fitment For A Bolt-On Install Ensures Proper Ground to Sensors and Computers to Prevent Performance Loss Featuring 8-Gauge Copper Wire, Gold Plated Connectors and 4-Gauge and 8-Gauge Ring Connectors Improve Shifting and Reduce Shift Lag on Automatic Vehicles