The Speedmaster PCE281.1082 is a 190cc aluminum bare cylinder head engineered for Chevy LS1, LS2, and LS6 big-block applications. This aftermarket cylinder head delivers performance improvements over factory units, offering increased flow and combustion efficiency for street and competition engines. The aluminum construction provides weight savings while maintaining durability under high-load conditions.
Designed for builders and enthusiasts looking to maximize engine performance, this 60cc chamber head supports aggressive tuning and higher compression ratios. As a bare casting, it arrives without valves, valve guides, or springs, allowing custom valve train configuration to match specific engine build requirements and performance goals. The 190cc intake port design supports enhanced fuel-air mixture delivery for improved horsepower and torque output across the RPM range.
Key Features & Benefits
- 190cc Intake Port: Optimized flow characteristics support enhanced breathing and fuel-air delivery for high-performance applications.
- 60cc Chamber: Supports higher compression ratios and aggressive tuning for street and competition engine builds.
- Aluminum Construction: Lightweight material reduces overall engine weight while maintaining strength and heat dissipation.
- Bare Casting: Arrives without valves, guides, or springs, enabling full customization of the valve train.
- LS-Series Compatibility: Engineered for LS1, LS2, and LS6 engine blocks with direct bolt-on fitment.
Specifications
| Brand | Speedmaster |
| Model/MPN | PCE281.1082 |
| Product Type | Bare Cylinder Head |
| Engine Application | Chevy LS1, LS2, LS6 |
| Material | Aluminum |
| Intake Port Size | 190cc |
| Chamber Size | 60cc |
Ideal Applications
- LS engine builds for street performance cars and trucks
- Competition and racing engine development
- Engine rebuilds requiring custom valve train configuration
- High-horsepower crate engine assembly