CNC machined billet water neck inlet/outlet SR20 RWD. Replaces your factory water neck with this T-6061 billet unit. Requires removal of the OEM thermostat housing.
Increased water flow and better fitment.
Included on outlet:
- 1/8" NPT on top
- 1/4" NPT on front
Necks are machined for -16an fittings.