Speedmaster Chevy SBC 350 1.5 Ratio 7/16" DNA Aluminum Roller Rocker Arms Set 1-261-002

The Speedmaster Chevy SBC 350 1.5 Ratio 7/16" DNA Aluminum Roller Rocker Arms Set (MPN 1-261-002) is a precision-engineered component designed for small-block Chevy 350 engine builds and upgrades. These aluminum roller rocker arms deliver improved valve actuation efficiency and reduced friction compared to stock alternatives, making them ideal for street performance, racing, and high-output engine applications.

Featuring a 1.5 ratio and 7/16" stud design, this rocker arm set is built from durable aluminum construction with roller bearing contact points for smooth operation under demanding conditions. The DNA branding reflects Speedmaster's commitment to quality and performance optimization. This set is compatible with standard Chevy SBC 350 cylinder head configurations and is commonly used by engine builders and performance enthusiasts seeking to maximize valve responsiveness and reliability in their powerplants.

Key Features & Benefits

• 1.5 Ratio Design: Optimized leverage ratio for improved valve lift and responsiveness in SBC 350 applications.
• Aluminum Construction: Lightweight yet durable material reduces overall engine weight while maintaining strength.
• Roller Bearing Rocker Arms: Reduced friction contact points deliver smoother valve actuation and consistent performance.
• 7/16" Stud Size: Engineered to fit standard Chevy SBC 350 cylinder head mounting specifications.
• DNA Performance Series: Part of Speedmaster's proven lineup of high-quality engine components for small-block Chevy engines.

Specifications

Ideal Applications

• Small-block Chevy 350 street performance engine builds
• Racing and high-output engine applications
• Engine rebuild and restoration projects
• Performance upgrades for Chevy 350 powered vehicles