Designed to keep the rocker arms positively locked for precise and critical valvetrain adjustments. Manufactured from quality grade steel, then heat-treated for extra strength and plated with a durable finish. Kits include 16 rocker arm nuts with socket head set screws and one hex key wrench. Fits Chevrolet 283-400 SB, Pontiac V8 & Ford 289-302-351 (ex 351C). Gold tone finish.
