TracTuff PRB/ PRC Billet Water Neck w/ Fill Port

TracTuff PRB/ PRC Billet Water Neck w/ Fill Port


A packaged version of our Billet Water Neck w/ a radiator fill point. 

1. Billet water neck w/ bead rolled 1-1/4" aluminum tube so you can attach your OEM rubber/ silicone hose - Not Shown

2. Billet water neck w/ 1-3/8" aluminum tube for a seamless transition to our -16 male bung - Shown

CNC machined from US Milled 6061-T6 aluminum with the absolute largest port you can fit within the restrictions of the OEM gasket and a 1/2" NPT accessory port most commonly used for the OEM water bypass.

NOTE: If you are interested in a specific design that varies from this, please email us at If using AN lines we also recommend designing the upper radiator hose so that there is droop/ give so the engines movement and does not push/ pull on the radiator and fatigue any parts. Fill tube is welded so that it sits level when bolted to an engine with a 15° lean back (exhaust side).