Speedmaster Chevy SBC 350 1.5 Ratio Aluminum Shaft Mount Roller Rocker Arm Set Zero Offset PCE261.1093.03

The Speedmaster Chevy SBC 350 1.5 Ratio Aluminum Shaft Mount Roller Rocker Arm Set (PCE261.1093.03) is a performance valve-train component designed for small-block Chevrolet 350 engines. This roller rocker arm set features a 1.5:1 mechanical advantage ratio and aluminum construction for reduced reciprocating mass, supporting improved engine efficiency and response. The zero-offset shaft mount design ensures proper valve geometry and alignment while maintaining OEM-compatible installation on classic and modern SBC 350 builds.

Built for serious engine enthusiasts and hot-rodders, this rocker arm set delivers the durability and precision needed for street and performance applications. The shaft mount configuration provides stable, repeatable valve actuation across the full RPM range, while the aluminum construction helps minimize rotating mass compared to heavier cast-iron alternatives. Ideal for bolt-on upgrades to factory or custom SBC 350 engines seeking improved breathing and response without major machine work.

Key Features & Benefits

• 1.5:1 Ratio Design: Optimized mechanical advantage for balanced lift and responsiveness across the RPM band.
• Aluminum Construction: Reduces reciprocating mass compared to cast-iron designs, improving engine efficiency.
• Shaft Mount Configuration: Zero-offset geometry ensures proper valve geometry and OEM-compatible installation on SBC 350 engines.
• Roller Design: Roller bearing surfaces minimize friction and wear for extended valve-train life.
• Speedmaster Brand: Engineered for performance applications with precision manufacturing and quality control.

Specifications

Ideal Applications

• Classic and modern Chevy small-block 350 engine builds and restorations
• Performance street and strip engines requiring improved valve-train efficiency
• Engine rebuild and upgrade projects targeting better breathing and response
• Hot-rod and custom engine applications with factory or aftermarket cylinder heads