Wedge Locking Header Bolts 3/8in x 1in 16pcs.

Header Bolt - Locking - 3/8-16 in Thread - 1 in Long - Hex Head - Steel - Black Oxide - Chevy V8 - Set of 16

Wedge Locking Header Bolts LS 8mm x .984in

Header Bolt - Locking - 8 mm x 1.25 Thread - 0.984 in Long - Hex Head - Steel - Nickel Plated - GM LS-Series - Set of 12

Wedge Locking Header Bolts - 3/8 x 1in (12)

Header Bolt - Wedge Lock - 3/8-16 in Thread - 1 in Long - Hex Head - Steel - Black Oxide - Set of 12

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

Header Bolt - Wedge Lock - 3/8-16 in Thread - 0.75 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 - 0.75 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