IHI1252 Features: Refer to Ford factory service manual for torque specifications and thread directionUse this 2 piece set with truck engines 1984 through 1993, Ford 4.6-L modular engines, 2.8-L engines 1984 through 1987, 2.9- to 3.0-L engines 1988 to current and 4.0-L engines 1990 to current. Use with 1/2" square drive tools and torq...