Melling MRK-511

Melling MRK-511 is a rocker arm kit for selected older Ford Windsor/SBF engines. It is intended for service replacement of valvetrain components in applications with the matching rocker arm and stud design.

Application / fitment

Typical use includes selected Ford Windsor/SBF 221, 260 and 289 cubic inch engines, especially 1962-1965 Ford/Mercury applications. Before installation, compare rocker style, adjustment design, stud diameter and related valvetrain parts with the original setup.

• engine family: Ford Windsor/SBF
• typical displacements: 221 / 260 / 289 cubic inches
• part type: rocker arm kit
• selection: by rocker style, stud style and catalog year range

During installation, check valvetrain geometry, pushrod condition and valve tip condition. After replacement, verify valve adjustment according to the engine procedure.

Technical information

• type: rocker arm kit
• body material: steel
• adjustable: yes
• nut type: self locking
• mounting bolts and studs: not included