Proflow Water Neck, Billet Aluminium, Silver Anodised, Straight Up, Chev For Holden Commodore, LS1, LS2

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

Part number: PFETH-812S