The Speedmaster Ford 429 Boss 1.73 Ratio Aluminum Shaft Roller Rocker Arms Set is a high-performance engine component engineered for Ford 429 Boss applications. This set features an aluminum shaft construction with a 1.73 rocker ratio, delivering optimized valve lift characteristics for improved engine performance and responsiveness.
These roller rocker arms are designed to reduce friction and wear compared to traditional stamped steel rockers, supporting higher RPM capability and durability during spirited driving. The black finish provides a professional appearance while protecting against corrosion. Ideal for street and strip applications on classic Ford muscle cars, this complete set replaces factory rockers and integrates with factory pushrod and valve train geometry to restore or upgrade your 429 Boss engine's valvetrain performance.
Key Features & Benefits
- 1.73 Ratio Design: Optimized rocker ratio provides increased valve lift for enhanced performance.
- Aluminum Shaft Construction: Lightweight aluminum shafts reduce overall valvetrain mass and inertia.
- Roller Rocker Technology: Roller design minimizes friction and extends component life compared to standard rockers.
- Black Finish: Professional appearance with corrosion protection for engine bay aesthetics.
- Ford 429 Boss Fitment: Direct fit for Ford 429 Boss engines, compatible with factory valve train geometry.
Specifications
| Brand | Speedmaster |
| Model/MPN | PCE261.1244.02 |
| Product Type | Roller Rocker Arms Set |
| Rocker Ratio | 1.73 |
| Shaft Material | Aluminum |
| Engine Application | Ford 429 Boss |
| Color | Black |
Ideal Applications
- Ford 429 Boss muscle car engine restoration and upgrades
- Classic Ford performance valvetrain modifications
- Street and strip muscle car applications
- Engine performance tuning and optimization