Sb Ford 1968-89 Mag Rock Arms 3/8 Stud/1.6 Ratio

The SB Ford 1968-89 Magnum Rock Arms with 3/8 Stud and 1.6 Ratio from COMP CAMS is a specialized rocker arm assembly designed for small-block Ford engines produced from 1968 to 1989. These components are crucial for builders and restorers aiming to enhance valvetrain geometry and reliability in various applications, including street, strip, and competition.

The 1.6 ratio designation indicates that for every 1 unit of motion at the pushrod, the valve receives 1.6 units of lift, providing a balance of aggressive valve actuation and reliable geometry. The 3/8 stud mounting system ensures secure attachment to the cylinder head, capable of withstanding high cyclic stress during high-RPM operations. COMP CAMS' Magnum series arms are constructed from ductile iron and precision machined to maintain consistent geometry under load, preventing deflection that could hinder performance.

Engine builders working on 289, 302, 351W, and 351C small-block Fords will find these rock arms compatible with both original equipment and aftermarket cylinder heads produced between 1968 and 1989. This compatibility makes them an excellent choice for those looking to upgrade their engine's performance and reliability.