The Speedmaster Ford 351C Cleveland 383 393 408 Flat Top Hyper Pistons (PCE305.1302) are precision-engineered forged pistons designed for high-performance Ford V8 engines. These coated flat-top pistons feature a 4.030" bore diameter and are compatible with 351C, 383, 393, and 408 cubic-inch engine builds, making them a core component for racing, street performance, and custom engine assembly.
Built with a hardened coated finish to resist heat and wear, these hyper pistons deliver reliable performance in demanding applications. The flat-top design helps optimize combustion chamber geometry and is ideal for high-compression builds. The precise dimensions (1.100" pin diameter, 0.927" compression height) ensure proper fitment and clearance within your engine block, whether you're rebuilding a classic Ford muscle car or constructing a modern performance engine.
Key Features & Benefits
- 4.030" Bore Diameter: Sized for 351C Cleveland, 383, 393, and 408 cubic-inch engine applications.
- Coated Finish: Hardened coating resists heat buildup and extends piston durability under high-performance use.
- Flat-Top Design: Optimizes combustion chamber geometry for efficient burning and compression.
- Forged Construction: Premium forged material provides strength and reliability for racing and performance builds.
- Precision Dimensions: 1.100" pin diameter and 0.927" compression height ensure accurate engine fitment and clearance.
Specifications
| Brand | Speedmaster |
| Model/MPN | PCE305.1302 |
| Bore Diameter | 4.030 inches |
| Pin Diameter | 1.100 inches |
| Compression Height | 0.927 inches |
| Piston Design | Flat Top |
| Finish | Coated |
| Compatibility | Ford 351C Cleveland, 383, 393, 408 engines |
Ideal Applications
- High-performance Ford V8 engine rebuilds and upgrades
- Racing and competition engine assembly
- Classic muscle car engine restoration
- Custom performance engine builds with increased displacement