Product Features: 100% Brand New Made of all aluminum sheet Fully TIG welded Cap is from billet aluminum Pressure test for maximum strength Anodized finish for long lasting durability Direct replacement, no modification required Compatibility: Ford F550 Super Duty V8 363 6.0L, 2003-2007 Ford F550 Super Duty V10 415 6.8L, 2005-2007 Ford F450 Super Duty V8 363 6.0L, 2003-2007 Ford F450 Super Duty V10 415 6.8L, 2005-2007 Ford F350 Super Duty V8 363 6.0L, 2003-2007 Ford F350 Super Duty V8 330 5.4L, 2005-2007 Ford F350 Super Duty V10 415 6.8L, 2005-2007 Ford F350 (Mexico) V8 330 5.4L, 2005-2007 Ford F250 Super Duty V8 363 6.0L, 2003-2007 Ford F250 Super Duty V8 330 5.4L, 2005-2007 Ford F250 Super Duty V10 415 6.8L, 2005-2007 Ford Excursion V8 363 6.0L, 2003-2005