Universal Billet Bonnet Adjusters with 5/16" UNC Thread
Polished Finish

Billet Bonnet Adjuster.

Aeroflow Billet Bonnet adjusters are perfect to dress up your engine bay! Machined from 6061-T6 aluminium and featured a hardened rubber insert, allows adjustment down to 21mm (13/16") height

Available in Polished or Black Finishes.