Speedmaster Chevy SBC 350 1.6 Ratio 7/16" DNA Aluminum Roller Rocker Arms Set 1-261-004

The Speedmaster DNA Aluminum Roller Rocker Arms Set is engineered for small-block Chevy (SBC) 350 engines, delivering the 1.6 rocker arm ratio with a 7/16" stud configuration. This set replaces stock rocker arms to improve valve actuation efficiency and reduce friction losses in your engine's valvetrain. DNA aluminum construction provides lightweight performance while maintaining durability for both street and performance applications.

Roller rocker arms are designed to reduce wear on pushrods and extend overall engine life by minimizing friction at the pushrod contact point. The 1.6 ratio multiplies valve lift and helps optimize cam profile characteristics for improved power delivery. This Speedmaster set is a direct replacement for compatible SBC 350 applications, making it ideal for engine rebuilds, upgrades, and high-performance modifications where valvetrain reliability and efficiency matter.

Key Features & Benefits

• 1.6 Rocker Ratio: Increases valve lift multiplication for optimized cam performance and power delivery.
• DNA Aluminum Construction: Lightweight design reduces rotating mass and inertia in the valvetrain.
• Roller Design: Minimizes pushrod friction and extends valvetrain component lifespan.
• 7/16" Stud Configuration: Direct fitment for Chevy SBC 350 engines with standard stud diameter.
• Complete Set: Includes all rocker arms needed for full valvetrain installation.

Specifications

Ideal Applications

• Engine rebuilds and restoration for Chevy SBC 350 blocks
• Performance and high-horsepower engine modifications
• Street and strip applications requiring reduced valvetrain friction
• Cam upgrade installations where rocker arm ratio optimization is desired