Nissan / Holden Rb Waterneck Housing Features -12 orb Upper

suits nissan rb30 (factory oem non swivel straight)

this Aeroflow performance billet thermostat housing is specifically designed to suit nissan rb30 engines and is factory oem direct replacement for the top radiator hose outlet.  with the radiator hose outlet facing straight allows for oem configuration. It features an internal -12orb thread for custom plumbing applications as well. These Aeroflow performance thermostat housings use the factory paper style gasket. Machined from t6-6061 billet aluminium and available in several anodised finishes.

note: suits single cam rb30 engines only.