Crower 86757S-16 Features:

Heat-treated chromoly steel retainers with black oxide finish for rust and corrosion resistance Tall-style Super 7-degree retainers for dual standard valve springs with 7-degree lock style Fits 1.200 in. outer spring OD, 0.945 in. middle spring OD, and 0.685 in. inner spring ID Adds 0.050 in. to installed height for increased spring pressure in high-horsepower builds

Retainers Chromoly Super 7-DEGREE Tall-style Chromoly Steel, Set Of Features:

• Heat-treated chromoly steel construction with black oxide finish for rust and corrosion resistance in demanding valvetrain service.
• Tall-style 7-degree retainers for dual standard valve springs, engineered as a heavy-duty factory replacement for performance builds.
• Fits 1.200 in. outer spring OD, 0.945 in. middle spring OD, and 0.685 in. inner spring ID for precise spring compatibility.
• Adds 0.050 in. installed height to help support increased spring pressure in high-horsepower engine applications.
• Set of 16 super seven retainers, 100% inspected for quality and backed by a 1-year warranty against manufacturer defects.