Wedge Locking Header Bolts - 3/8 x 3/4L (16)

Header Bolt - Wedge Lock - 3/8-16 in Thread - 0.750 in Long - Hex Head - Steel - Black Oxide - Set of 16

Wedge Locking Header Bolts - 3/8 x 3/4L (12)

Header Bolt - Wedge Lock - 3/8-16 in Thread - 0.750 in Long - Hex Head - Steel - Black Oxide - Set of 12

LS Exhaust Manifold/Head er Hex Flange Bolts

Header Bolt - 8 mm x 1.25 Thread - Hex Head - Steel - Zinc Plated - GM LS-Series / GM GenV LT-Series - Set of 12

Header Bolt Kit - 12pt. 3/8 x .750 UHL (12)

Header Bolt - 3/8-16 in Thread - 0.750 in Long - 12 Point Head - Chromoly - Black Oxide - Universal - Set of 12