Valve Covers Fabricated Aluminum Tall for Ford FE BBF 352 390 406 427 428 1/4" Billet Rail 3 5/8" tall, tall style, will clear roller rockers and stud girdles 1/4" thick billet aiuminum gasket rail for perfect sealing Include bolts Clear anodized for easy cleaning and scratch resistance Fits Ford FE 352 390 406 427 428 Engines, short bolt