This original print advertisement from Competition Cams highlights the innovative Magnum Roller Rocker Arms, engineered for superior performance and durability. Featuring a detailed black-and-white illustration of the roller rocker arm, the ad emphasizes the use of tough 8620 Chromemoly Steel investment casting technology, designed to eliminate the common flex and wear issues found in stock stamped steel rockers. The article explains the engineering advantages, including a patented design that protects against imitations and ensures precision oil metering for extended high RPM use.

Produced likely in the 1980s based on design and contact details, this collector's ad showcases the brand's commitment to quality valve train components for automotive enthusiasts. The print includes technical explanations, performance charts comparing Magnum rocker arms to cast aluminum and stock types, and contact info for Competition Cams in Memphis, Tennessee. A great piece for any vintage automotive or racing memorabilia collector seeking authentic advertising from a respected industry leader.