Chevy Small block / Big block chrome water neck 15°/45° 265 283 305 327 350 383 396 400 427 454 472 502 Chrome steel brand new chevy water neck Fits 1955-68 SB & BB Chevy 265 283 305 327 350 383 396 400 427 454 472 502 engines Comes complete as pictured with chrome steel thermostat housing, chrome bolts and o ring for a perfect seal Made from extremely high quality steel, then triple chrome plated (copper-nickel-chrome) to a beautiful shine Will fit any sb or bb Chevy engines Made in Taiwan