HEADER STUD KIT

Engine Compatibility: Chevy Big Block V8 396-454 Cubic Inch,Thread Size: 3/8 Inch,Overall Length (IN): 1.67 Inch,Head Type: 12-Point,Socket Size: 7/16 Inch-12,Finish: Black Oxide,Color: Black,Material: Chrome Moly Steel,Quantity: Set Of 16 Material Is Not Affected By Corrosion Or Extreme Heat,The Compact 12-Point Nut Lets You Easily Slip A Socket Close To The Pipe,Substantially Stronger Than Grade 8 Hardware,Nominally Rated At 170,000 PSI Tensile Strength,Limited 90 Day Warranty