V2 Now In stock and ready to ship immidiately !

Introducing the ultimate solution to your JZ platform's cooling needs - the billet upper water neck designed specifically to enhance your engine's performance!
 
Crafted to perfection using CAD design, this water neck is made from aerospace 6061 aluminium with T6 heat treatment, ensuring extreme durability even in the most demanding conditions. Choose between our Race or Street version, depending on your water pump setup.
 
Our Race version is perfect for those running an external electric water pump. It boasts a -16 ORB thread on the outlet, which can be fitted with either a -16 AN or -20 AN fitting. Plus, with two ports (one for a temp sensor and one for the turbo water feed), you'll never have to compromise on your cooling needs.
 
For those using the OEM water pump, our Street version is the perfect fit. It comes with the same fitting options as our Race version, along with two ports to meet your specific requirements. With confirmed fitment for 1JZ GTE VVT-i and Non VVT-i, 2JZ GTE VVT-i and Non VVT-i, you can rest assured that you're making a wise investment.
 
As an extra option, we offer ORB to AN fittings that seamlessly integrate with the water neck to either AN16 or AN20 hoses.
 
Don't wait any longer to upgrade your JZ platform's cooling system, Order your billet upper water neck NOW and get ready to experience superior performance and durability.