RAD Industries - 1JZ/2JZ Billet Upper Water Neck

The RAD Industries billet 2JZ-GTE + 1JZ-GTE Upper water neck with -16 orb port. This billet water neck not only looks amazing and cleans up your engine bay it also offers the end user a choice to run it with OEM water pump recirculation or to block it off (must purchase block off port if not running an OEM water pump / using  Water Inlet ) *Please contact the sales team if you wish to purchase this block off port

If you are running a 1JZ-GTE or would like to replace the 2JZ-GTE OEM water pipe, we offer a machined finish Billet Water Pipe in appropriate lengths based on your head and block combination. When running our Upper Water Neck on a 1JZ-GTE, the OEM water pipe will be a few mm too long, you will NEED to purchase the 29mm water pipe.

It has 1/8" NPT threads for temp sensor and M12x1.5 for OEM temp sensor. With the female -16 orb threads you can choose between a -16 AN or -20 AN for your upper water hose. With the choice of the additional lower block off port you can run a 3/8" temp sensor as well. or just block off water pipe to thermostat recirculation port.

• M8 x 1.25 HARDWARE INCLUDED for mounting water neck to head
* Uses o-ring to seal to head, OEM gasket not required 

WATER OUTLET THREAD PITCH: -16 ORB Female

ALLOWS FOR: -16 ORB to -16 AN union (Included) OR Speedflow -16 ORB to -20 AN Union (920-20-16-BLK) *SOLD SEPARATELY*