1/2″ Head Bolt Washer Insert: .870″ flange OD x .685″ press dia. x .530″ ID (Used for cyl heads only, not for blocks) (each)

Muscle Head Hemi Intake Rocker Shaft, with 5/16″ bolt holes. Reid .XXX” thick wall 4130 Steel, incl oil plugs. XX-X/X” oal. For MH Stg IV with individual rocker stands. Not for MH Stg IV with rocker girdles. (each)