The Speedmaster PCE281.1488 is a bare aluminum cylinder head designed for Chevy big-block (BBC) 454 engines. With 320cc intake and 119cc exhaust port volumes, this head is engineered for high-performance engine builds and provides the foundation for improved airflow and power output in street and racing applications.
This aluminum bare cylinder head delivers a lightweight alternative to factory iron heads while maintaining compatibility with BBC 454 block architecture. The precision-cast aluminum construction allows for custom porting, valve work, and modifications to meet specific engine tuning requirements. Speedmaster cylinder heads are built to exacting standards for reliability in demanding engine applications, making this head ideal for engine rebuilders, performance shops, and enthusiasts undertaking custom BBC 454 builds.
Key Features & Benefits
- BBC 454 Compatible: Designed specifically for Chevy big-block 454 engine applications.
- Aluminum Construction: Lightweight bare aluminum casting reduces overall engine weight.
- 320cc Intake Ports: Large intake port volume supports high-flow airflow characteristics.
- 119cc Exhaust Ports: Efficient exhaust port volume for balanced scavenging.
- Bare Head: Unfinished casting ready for custom porting, valve work, and modifications.
Specifications
| Brand | Speedmaster |
| Model/MPN | PCE281.1488 |
| Engine Application | Chevy BBC 454 |
| Intake Port Volume | 320cc |
| Exhaust Port Volume | 119cc |
| Material | Aluminum |
| Type | Bare Cylinder Head |
Ideal Applications
- Custom Chevy BBC 454 engine builds and rebuilds
- High-performance and racing engine applications
- Street rod and hot rod engine projects
- Engine swap and retrofit builds