Allstar Performance - Lug Nuts 12mm-1.25 Steel 350pk The nipple inlet and outlet

The nipple inlet and outlet are 3/8"

5 in Wide - 21 in Tall - 3 in Deep - Cut to Fit - Plastic - Black - Universal - Kit

Air Filter Element - DryFlow - Clamp-On - Conical - 6 in Base - 5-1/8 in Top Diameter - 8-15/16 in Tall - 3-1/2 in Flange - Synthetic - Red - Universal - Each

The relay is ideal for use with the MSD RPM Activated Switch when 12 volts are responsible for activating a high current device such as a nitrous solenoid

The harnesses plug directly into your factory coil and harness then four color coded wires plug into the corresponding wires of the MSD

Allstar Performance - Lug Nuts 12mm-1.25 Steel 350pk The nipple inlet and outletLug Nut 12 mm x 1. 25 Thread 1 in Hex Head 45 Degree Seat Open End Steel Zinc Oxide Set of 350