AJ Olds Stg IV Rocker Girdle Plates. Uses 5/16 UNF Rocker shaft bolts. (Not for solid cast AJ Olds Pro Mod heads) (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)