3409 Mr Gasket HEADER BOLTS,MINI HEX HD 3/8

HEADER BOLTS,MINI HEX HD 3/8 Mr. Gasket Header Bolts - 3/8-16 x 3/4 Inch Mini Hex Head - Black Oxide Fits AMC 290-401, Chevrolet Small Block 262-400, Chrysler 383-440 except Hemi, Pontiac 326-455, Oldsmobile 330-455 When installing headers you will need header bolts, factory exhaust manifold bolts won't work. These Mr. Gasket Header Bolts are grade 8 for strength, black oxide coated, and have a compact 3/8 inch hex head that is ideal for use where space is minimal - your typical header flanges. Includes (12) 3/8-16 x 3/4 inch bolts. Mini 3/8 inch hex head for better socket clearance Grade 8 Black oxide coated