Speedmaster Ford SB 289 302 351 Windsor 1.6 Ratio Aluminum Roller Rocker Arms DNA

Speedmaster's DNA aluminum roller rocker arms are precision-engineered components designed for Ford small-block 289, 302, and 351 Windsor engines. These rocker arms feature a 1.6 ratio shaft design and are constructed from aluminum for lightweight durability. The roller rocker arm design reduces friction and improves valve train efficiency, making them ideal for high-performance engine builds and rebuilds.

These roller rocker arms are commonly used in performance engine applications where increased valve lift and improved flow characteristics are desired. The aluminum construction provides strength while minimizing weight, contributing to overall engine performance and responsiveness. Compatible with Ford small-block Windsor platforms, these components are essential for serious engine enthusiasts and professional builders seeking reliable, high-quality valve train upgrades.

Key Features & Benefits

• 1.6 Ratio Design: Shaft-mounted rocker arms with 1.6 lever ratio for optimized valve actuation.
• Aluminum Construction: Lightweight yet durable aluminum material reduces valve train mass.
• Roller Rocker Design: Roller bearing design minimizes friction and wear on pushrods and valve stems.
• Ford SB Compatible: Engineered for 289, 302, and 351 Windsor small-block engines.
• DNA Branding: Speedmaster's proven DNA rocker arm technology for performance applications.

Specifications

Ideal Applications

• High-performance engine rebuilds for Ford SB 289, 302, and 351 Windsor engines
• Street and strip performance applications requiring improved valve train efficiency
• Engine restoration projects on classic Ford vehicles
• Racing and competition engine builds