Schoenfeld Header Bolts - 3/8" x 3/4" x 5/16" - Hex Head (14 Pack) H88602CB3XS Housing is 5/8" smaller in

Housing is 5/8" smaller in diameter than stock Ford distributors

Dual AUX Port

Item includes USB memory stick to update digital dash firmware that supports adapter

Induction hardened and precision machined steel billet gears for bullet proof durability

Schoenfeld Header Bolts - 3/8" x 3/4" x 5/16" - Hex Head (14 Pack) H88602CB3XS Housing is 5/8" smaller inProduct Description: Header Bolt 3 8 16 in Thread 0. 75 in Long 5 16 in Hex Head Steel Set of 14 Started in 1974, Schoenfeld is known for custom fabricated headers for all forms of circle track racing. Schoenfeld Headers is the worlds largest manufacturer of circle track headers, but they specialize in a variety of high quality exhaust parts, including turn downs, extensions, tubing bends and elbows, race mufflers, insert mufflers, mandrel bends,