Features: Polished aluminum water outlet 15 degree. Stainless bolts and o-ring for a perfect seal. Extremely high quality with beautiful shine. Great for any hot rod or street rod allowing you to rotate the water neck to fit your engine compartment. Fits 265 283 305 307 327 350 383 400 396 402 427 454 472 502 348 409 small & big block for chevy engines.