Vibrant Radiator Filler Necks and Caps Select::Cap for 42mm ID Neck (20983) 15mm 12 Valves NIVN-1062-12 1

15mm 12 Valves NIVN-1062-12 1 Valve NIVN-1062-1 Intake +1

The large diaphragm working area ensures you are in control of your boost curve

Titanium Turbo Shields include a hi-temp rated silica insulation under the tight outer layer for extra added protection against extreme turbo-generated heat

For reference

Vibrant Radiator Filler Necks and Caps Select::Cap for 42mm ID Neck (20983) 15mm 12 Valves NIVN-1062-12 1Vibrant Performance aluminum weld on radiator filler necks are available in two different sizes and designed for use with the Vibrant radiator cap for a perfect fit and a tight leak free seal. These are perfect for fabricating a custom radiator or coolant tank. Sold individually as needed, price is for one cap or neck. The neck is bare aluminum and the cap has a black anodize finish. Purchase Includes: (1) Cap or Neck Specs: 6061 Aluminum Black