Showerhead Distribution Block Inlet -8 An O-Ring Female Port Outlet: (4) X -6 An O-Ring Female Port No Fittings Black Anodized NOS

Big Shot Wet Nitrous System For 4500 4-Barrel Carburetor Fits Holley 4500 Dominator 190-300 HP Includes Black 10 Lb Bottle NOS

Nitrous Bottle Nut & Washer -4An Nitrous Bottle Nut Adapter & Washer NOS

Fuel Pressure Gauge Adapter -4 Male To -4 Female 1/8Npt Gauge Adapter Black NOS