A single .480" wide spacer for COMP Cams #1071 and #1073 shaft‑mount rocker systems, made to replace the spacer used with Chrysler 383–440 aluminum shaft rockers. Install this spacer to restore proper rocker spacing and clearance when servicing or rebuilding the shaft‑mount system on big‑block Chrysler 383–440 engines.
COMP Cams Alum Rocker Spacer Chrysler B