481-X Stage I+II Rocker Girdle Plate, for Std Ratio Rocker arms only: 1.650″ Arm Intake + 1.900″ Exhaust. Drilled for 3/8″ Rkr shaft bolts, 17-4 Stainless. (ea)

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)