3/8 Adjusting Nuts – For LS R/A Upgrade Kits
Rocker Arm Nut – Pro Magnum Polylock – 3/8-24 in Thread – Steel – Black Oxide – GM LS-Series – Set of 16
Rocker Arm Nut – Pro Magnum Polylock – 3/8-24 in Thread – Steel – Black Oxide – GM LS-Series – Set of 16