Speedmaster Ford SB 289 302 351 Windsor 1.6 Ratio 3/8" DNA® Aluminum Roller Rocker Arms Set

The Speedmaster Ford SB 289 302 351 Windsor 1.6 Ratio Aluminum Roller Rocker Arms Set (MPN 1-261-006) is a precision engine component designed to upgrade the valve train on small-block Ford Windsor engines. This set features DNA® aluminum roller rocker arms with a 1.6 ratio and 3/8" studs, engineered to improve valve lift accuracy and reduce friction in the valvetrain for enhanced performance and reliability.

Built for high-performance applications, these roller rocker arms deliver consistent valve actuation on Ford 289, 302, and 351 Windsor platforms. The aluminum construction keeps weight low while maintaining strength, and the roller design minimizes wear on valve stems and pushrods. This upgrade is ideal for street performance builds, modified engines, and restoration projects seeking to enhance combustion efficiency and overall engine responsiveness without requiring extensive internal modifications.

Key Features & Benefits

• DNA® Aluminum Rollers: Features DNA® aluminum roller design for reduced friction and wear on valve stems and pushrods.
• 1.6 Ratio: Provides increased valve lift for improved engine breathing and performance.
• 3/8" Stud Size: Direct-fit stud diameter for compatibility with Ford Windsor engine architecture.
• Complete Set: Includes all rocker arms needed for full valvetrain upgrade.
• Small-Block Ford Fit: Purpose-engineered for 289, 302, and 351 cubic-inch Windsor engines.

Specifications

Ideal Applications

• Street performance and high-revving small-block Ford engine builds
• Engine restoration and upgrades on classic 289, 302, and 351 Windsor platforms
• Modified engines seeking improved valve actuation and reduced valvetrain friction
• Performance tuning and combustion efficiency enhancement projects