The Speedmaster Ford SB 289 302 351 Windsor Shaft Mount 1.6 Ratio Aluminum Rocker Arms (PCE261.1104.01) are precision-engineered valve train components designed for small-block Ford Windsor engines. These shaft-mounted rocker arms deliver a 1.6 ratio to optimize valve lift and engine performance, constructed from lightweight aluminum for durability and reduced rotating mass.
These rocker arms are engineered for direct replacement and bolt-on installation on Ford Windsor engine blocks, making them ideal for performance builds, engine rebuilds, and high-rpm applications where reliable valve control is critical. The aluminum construction provides strength while minimizing weight, helping to improve overall engine efficiency and responsiveness. Compatible with 289 cubic-inch, 302, and 351 Windsor engine configurations, they are a direct-fit upgrade for enthusiasts seeking improved valve train dynamics.
Key Features & Benefits
- 1.6 Ratio Design: Optimized ratio for enhanced valve lift and improved engine breathing performance.
- Shaft-Mount Configuration: Direct-mount assembly on Ford Windsor engine block for secure, stable valve train operation.
- Aluminum Construction: Lightweight yet durable material reduces rotating mass while maintaining structural integrity.
- Ford SB Compatible: Engineered for 289, 302, and 351 Windsor small-block engines.
Specifications
| Brand | Speedmaster |
| Model/MPN | PCE261.1104.01 |
| Engine Compatibility | Ford SB 289, 302, 351 Windsor |
| Rocker Arm Type | Shaft Mount |
| Ratio | 1.6 |
| Material | Aluminum |
Ideal Applications
- Small-block Ford engine rebuilds and performance upgrades
- High-rpm valve train optimization for street and race engines
- Direct-fit rocker arm replacement for 289, 302, and 351W engines
- Engine performance builds requiring improved valve lift characteristics