Part Number: 8906M. Header Bolt - Locking - 8 mm x 1.25 Thread - 25 mm Long - Hex Head - Steel - Nickel Plated - Ford Modular 2005-15 - Set of 16. These nuts and bolts have a variety of uses such as installing headers.
Stage 8 Header Bolt Kit - 6pt. 3/8-16 x 1in (2) 8910A
Stage 8 Header Bolt Kit - 6pt. 3/8-16 x 3/4 (12) 8911
Stage 8 Header Bolt Kit - 12pt. 3/8-16 x 1-1/4 (12) 8911B
Stage 8 Header Bolt Kit - 12pt. 3/8-16 x 1-1/4 (16) 8913B
Stage 8 Header Bolt Kit - 6pt. 3/8-16 x 3/4 (16) 8913
Stage 8 Header Bolt Kit - 6pt. 3/8-16 x 1in (12) 8916A