Speedmaster PCE281.1460 LS1 LS2 LS6 225cc 64cc Full CNC Aluminum Bare Cylinder Head

The Speedmaster PCE281.1460 is a full CNC-machined bare aluminum cylinder head engineered for Chevy LS-series engines including LS1, LS2, and LS6 platforms. This precision-manufactured component features 225cc intake ports and 64cc combustion chambers, delivering the flow characteristics and tolerances required for high-performance engine builds and stock restorations alike. The CNC aluminum construction ensures consistent quality and dimensional accuracy across every casting, making it ideal for builders seeking a reliable foundation for LS-engine modifications, forced-induction upgrades, or naturally-aspirated performance applications.

As a bare cylinder head, this part arrives without valves, springs, or gaskets, allowing builders complete freedom to select matched components that align with their specific engine tune, fuel type, and power goals. The 225cc port volume supports both mild and aggressive intake designs, while the 64cc chamber size is compatible with common LS-block combinations. Whether you're assembling a street engine, track-focused build, or restoration project, the CNC precision of this Speedmaster head eliminates guesswork and reduces machine-shop rework, saving both time and cost over the course of a full engine assembly.

Key Features & Benefits

• Full CNC Machined: Precision aluminum construction with CNC machining ensures consistent port geometry, valve seat accuracy, and dimensional repeatability across the casting.
• 225cc Intake Ports: Port volume supports moderate to high RPM airflow for LS-series engines across naturally-aspirated and forced-induction applications.
• 64cc Combustion Chambers: Chamber displacement is compatible with standard LS-block deck heights and common piston combinations.
• Bare Aluminum Design: Arrives without valves, springs, or gaskets, allowing builders to source matched components tailored to their specific engine tune and performance target.
• LS1/LS2/LS6 Fitment: Engineered for Chevy small-block LS-series engines, supporting multiple platform variants and build configurations.

Specifications

Ideal Applications

• LS-series engine builds and stroker assemblies
• High-performance naturally-aspirated engine modifications
• Forced-induction (turbo/supercharger) engine platforms
• Classic Chevy restoration projects with LS engine swaps