3/8 x 3.00″ Stud: 5.3 Semi-Hemi Exhaust Rocker Girdle. Requires 8 per girdle, 16 per V-8 engine set. (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)