SBC Hi-Energy R/A's - 7/16 Stud 1.5 Ratio

The SBC Hi-Energy R/A's - 7/16 Stud 1.5 Ratio rocker arm set from COMP CAMS is engineered for small block Chevy engines demanding reliable, high-performance valve train geometry. This 16-piece set delivers the mechanical advantage and durability required by engine builders, performance enthusiasts, and restoration shops working with classic and modern SBC platforms. The 1.5:1 ratio design increases valve lift while maintaining precise control over valve timing events, making these arms ideal for naturally aspirated and entry-level forced induction builds.

Constructed from nitride steel and finished with a durable nitride coating, the SBC Hi-Energy R/A's provide superior wear resistance and extended service life under high-RPM operation. The 7/16-inch stud mount design ensures secure attachment to standard small block Chevy cylinder head studs, while the long slot configuration accommodates pushrods without binding and allows for precise pushrod length adjustments during initial setup. The 1.5:1 mechanical advantage multiplies camshaft lift by 50%, translating cam profile lift directly into increased valve opening distance and enhanced cylinder filling across the RPM band.

Engine builders and performance shops specify COMP CAMS Hi-Energy rocker arms for street performance, drag racing, and road course applications where valve train stability and repeatable geometry matter. The set of 16 pieces covers a complete small block Chevy cylinder head (eight intake, eight exhaust positions), making installation straightforward for experienced technicians and rebuilders. Proper installation requires correct pushrod length measurement and valve lash adjustment; consultation with engine assembly documentation is recommended to ensure optimal performance and longevity in your specific application.