(BB-416-BF)-bolt (att. manifold)-10 3/8" -16 x 1.25 hex head , STANDARD PART (BB-416BF) BOLT - 3/8 - 16 x 1.25. Attach exhaust manifolds to cylinder heads.
(UU-136)-Insert (plugs for thermactor holes in head) - 5/8" - 11 x 7/16" - 14 x 1 1/8" , STANDARD PART (UU-136)-insert(used in front and rear of cyl. head)-5/8"-11 O.D. thread x 7/16"-14 I.D. thread , STANDARD PART
FordPartsGiant.com offers the wholesale prices for genuine 1988 Ford F-250 parts. Parts like Cylinder Block - Head - Typical are shipped directly from authorized Ford dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 8 Cyl 5.8L. Transmission: 3MT.