Meziere makes the versatile 90 Degree water neck housings for Small, Big Block Chevrolets along with Chrysler Big Blocks. Water neck swivels 360 degrees and is double o-ringed. Billet machined, 5 degree taper on the "WN" fitting to ensure possitive seal. Execepts a variety of "WN" fittings. Comes in red, blue, black, silver anodized or chrome. O-ring base for Chevrolet.
Will not except a thermostat.
For Chevrolet manifold must have thermostat resest in intake.
O-ring will not work with Chrysler must use gasket.