SBC B/I Rocker Arm Kit 1.50 Ratio 7/16 Stud

The ELGIN SBC B/I Rocker Arm Kit 1.50 Ratio 7/16 Stud is a complete valve train component set engineered for small-block Chevy engine builders and performance enthusiasts. This rocker arm kit delivers the mechanical advantage and precision required for optimized valve lift and timing in high-revving or modified small-block applications. The 1.50 ratio specification increases valve lift relative to camshaft lobe lift, a critical factor in maximizing cylinder head flow and overall engine performance. Supplied as a set of eight rocker arms with integrated ball and nut hardware, this kit is ready for installation without additional fastener sourcing.

The 7/16-inch stud mount design provides a secure, industry-standard pivot point for small-block Chevy cylinder heads. The Black Ice finish offers corrosion resistance and visual distinction in the engine bay. Manufactured in steel, these rocker arms are built to handle sustained high-rpm operation and the load cycles typical of street performance and racing engines. The long-slot design accommodates geometric variations in pushrods and valve stem heights, a practical consideration that simplifies installation and reduces the risk of bind or misalignment.

This rocker arm kit is the choice for engine builders restoring stock small-block Chevy configurations or upgrading existing builds with improved valve train geometry. Whether used in a 350 small-block, 327, 305, or similar variant, the 1.50 ratio rocker arm represents a fundamental upgrade that multiplies the effectiveness of a quality aftermarket camshaft. The kit's complete package—arms, balls, and nuts included—eliminates guesswork and makes component matching straightforward. Proper installation requires attention to rocker arm geometry and preload, so consultation with engine assembly documentation or a builder familiar with small-block Chevy architecture is recommended for best results.