Mr. Gasket Header Bolts - 3/8-16 x 1 Inch Hex Head - Black Oxide 100 Pieces 917A o2-sensors 3/8 in Feed Line with

3/8 in Feed Line with 5/16 in Return Line (If you need 5/16 Feed and 3/16 Return then you need WGL0356SS)

Bend Type 90° Bend Center Line Radius 7

Brand Earls Center Stud Diameter 42433 Emission Code 5 Finish Natural Fully open 180 Degrees Farenheit Inner O-Ring Diameter 2

9 L6 1965 - 1986 Ford F-350 300/4

Mr. Gasket Header Bolts - 3/8-16 x 1 Inch Hex Head - Black Oxide 100 Pieces 917A o2-sensors 3/8 in Feed Line withOverview: Designed for make header installation easier and heat treated for extra strength. The special washer faced, smaller than standard hex head is for tight spaces. These bolts are Grade 5 with a 7 16 hex head and a protective black finish, except where noted. Bulk Packaged 100 pieces. 3 8 inch 16 x 1 inch. Features: 100 Pieces Bulk Package Application: Year Make Model Submodel Engine Size Universal Specs: Brand Mr. Gasket Emission Code 5 Finish