COMP Cams 618-16 Super Valve Lock (618-16 s 5/16" W/Recess) 848238023640 flat 12-point head design and

flat 12-point head design and larger than stock shank diameter for increased strength and improved flywheel register

Without exception all BBK Performance parts are direct bolt on with no modifications

Brand KYB Model SR4057 Color Black

It's sturdy

COMP Cams 618-16 Super Valve Lock (618-16 s 5/16" W/Recess) 848238023640 flat 12-point head design andBrand Comp Cams Model 618 16 This Steel Super Lock Featuring A Lash Cap Recess, 10 Degree Lock Angle And 5 16" Valve Stem Size Is Recommended For All Race Applications Super Locks Have A Wider Angle (10 Degree) That Better Distributes The Ever Increasing Valve Spring Loads Over The Retainer Than Typical 7 Degree Locks Manufactured in United States This Steel Super Lock Featuring A Lash Cap Recess, 10 Degree Lock Angle And 5 16" Valve Stem Size Is