Water neck

Discover Proflow's billet thermostat housings that eliminate leaks with O-ring seals. Choose from vertical or 360-degree swivel designs, complete with stainless hardware.

Proflow's billet thermostat housings not only look good, but they also get rid of leaky paper gaskets thanks to their O-ring seal design. You can choose the conventional vertical housing or the high-tech 360 degree swivel housing. They're available straight-up or with a 0, 45, or 90 degree angle and come complete with stainless hardware.

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