The Speedmaster Ford SB 302 351W 1.7 Ratio 7/16" Ultra Black Chromoly Roller Rocker Arms Set (PCE261.1199) is a performance-grade valve train component designed for small-block Ford engine builds. This set features precision-engineered chromoly construction with a 1.7:1 mechanical advantage ratio, delivering improved valve lift and responsiveness for street and competition applications. The 7/16" mounting studs accommodate standard small-block Ford head configurations.
Chromoly roller rocker arms reduce friction and wear compared to traditional stamped steel rockers, translating to more consistent valve actuation and greater durability under sustained RPM. The ultra-black finish provides corrosion resistance and a professional appearance in the engine bay. These rockers are ideal for naturally aspirated and moderately boosted small-block Ford engines where enhanced valve train geometry and reliability are priorities. Compatible with Ford 302, 351W, and similar small-block Ford platforms, this set supports both street performance and race-oriented builds.
Key Features & Benefits
- 1.7 Ratio Geometry: Mechanical advantage ratio delivers improved valve lift and timing responsiveness for enhanced engine performance.
- Chromoly Construction: Precision-engineered chromoly material reduces friction and increases durability in high-RPM applications.
- Roller Design: Roller-bearing rockers minimize wear on cam lobes and valve stems for extended component life.
- 7/16" Stud Mount: Direct fit for Ford small-block 302 and 351W head configurations with standard stud spacing.
- Ultra-Black Finish: Durable coating provides corrosion resistance and a professional engine bay appearance.
Specifications
| Brand | Speedmaster |
| Model/MPN | PCE261.1199 |
| Application | Ford SB 302, 351W |
| Rocker Ratio | 1.7:1 |
| Stud Size | 7/16" |
| Material | Chromoly |
| Type | Roller Rocker Arms |
| Finish | Ultra Black |
Ideal Applications
- Small-block Ford 302 and 351W engine builds and rebuilds
- Street performance and daily-driver engine upgrades
- Competition and race engine valve train optimization
- Naturally aspirated and moderate-boost engine applications