Speedmaster Chevy BBC 454 320cc Hydraulic Roller Assembled Cylinder Heads PCE281.2033

The Speedmaster PCE281.2033 is a pair of fully assembled cylinder heads engineered for Chevy big-block 454 engines. These heads feature 320cc intake and 119cc exhaust port volumes, designed to work seamlessly with hydraulic roller cam systems. The assembly arrives ready to bolt on, eliminating machine shop delays and simplifying your engine build process.

These cylinder heads are manufactured to deliver reliable performance in street and mild racing applications. The hydraulic roller rocker arm design ensures consistent valve actuation and reduced friction compared to traditional flat-tappet systems. Built with quality castings and precision porting, they integrate directly into your BBC 454 engine assembly without requiring additional modifications. Ideal for engine rebuilds, performance upgrades, and hot rod projects that demand bolt-on convenience without compromising flow or durability.

Key Features & Benefits

• Hydraulic Roller Design: Optimized for hydraulic roller cam systems with consistent valve actuation and low-friction operation.
• Assembled and Ready: Fully assembled heads arrive ready to bolt directly onto your BBC 454 engine block.
• Ported for Flow: 320cc intake and 119cc exhaust port volumes engineered for efficient fuel and exhaust flow.
• Big-Block Chevy Specific: Designed and tested specifically for Chevy BBC 454 engine compatibility and performance.

Specifications

Ideal Applications

• BBC 454 engine rebuilds and reconditioning
• Street and mild racing engine builds
• Hot rod and classic car performance upgrades
• Engine swaps requiring direct BBC 454 fitment