Proform 66864 rocker arm kit. Features shaft mount, 1.65 ratio, full roller, aluminum construction, purple anodized finish, fits Big Block Buick, improves valve train performance, sold as a kit.
Proform 141-215 timing cover. Features 1-piece design, seal included, Chevrolet/Bowtie logo, steel construction, chrome finish, fits Small Block Chevy, protects timing components, sold as each.