SBC Steel R/A Kit - 1.5 Ratio 3/8in Stud

The SBC Steel R/A Kit - 1.5 Ratio 3/8in Stud is a precision rocker arm assembly engineered for Small Block Chevy engine builds and performance upgrades. This component sits at the heart of your valve train, translating camshaft motion into controlled valve opening and closing with mechanical precision. Built for enthusiasts and rebuilders who demand reliability from both stock restorations and street performance applications, this rocker arm kit delivers the geometry and durability required for consistent engine operation across a wide range of displacement and RPM ranges.

Constructed from high-strength steel, the SBC Steel R/A Kit features a 1.5 mechanical advantage ratio that amplifies valve lift relative to camshaft lobe movement, optimizing breathing efficiency without requiring an aggressive cam profile. The 3/8-inch stud mount design provides a secure, vibration-resistant connection to the cylinder head, while the long-slot, OEM-style design accommodates valve lash adjustment for proper engine tuning. This kit includes both the ball and nut hardware, eliminating the need for additional fastener sourcing and ensuring compatibility with standard Small Block Chevy mounting specifications.

Ideal for engine rebuilders, vintage car restorers, and performance enthusiasts, the SBC Steel R/A Kit integrates seamlessly into any Small Block Chevy valve train configuration. Whether you are performing a complete engine overhaul or upgrading existing rocker arm assemblies, this component's proven design and robust construction make it the preferred choice for shops and individual builders seeking reliability and repeatable performance. Compact at just 0.28 lbs and engineered to OEM specifications, installation requires only basic hand tools and knowledge of standard valve train geometry.