The Enginetech V2689B exhaust valve features a 1.500" head diameter, 0.3411" stem (11/32" nominal), and 4.920" overall length with a chrome-plated stem. Fits 1994-2014 GM/Chevrolet/Isuzu/Workhorse 4.3L/5.0L/5.7L applications.Important NotesSold as a bulk...