Speedmaster PCE281.1794 Aluminum Cylinder Head Bare - LS1 LS2 LS6 215cc 60cc 6-Bolt

The Speedmaster PCE281.1794 is a high-performance aluminum bare cylinder head designed for Chevy GM LS1, LS2, and LS6 engines. This head features 215cc intake runners and 60cc combustion chambers, providing an excellent balance of power and efficiency for street and performance applications.

Key Features:

• 215cc intake runner volume for improved airflow
• 60cc combustion chamber volume
• 6-bolt valve cover mounting pattern
• Premium aluminum construction using gravity casting process for superior strength and consistency
• Direct replacement for LS1, LS2, and LS6 cylinder heads
• Sold as bare head (valvetrain components not included)

Specifications:

• Material: Aluminum alloy
• Casting Method: Gravity casting for uniform structure
• Intake Port Volume: 215cc
• Combustion Chamber Volume: 60cc
• Valve Cover Bolt Pattern: 6-bolt design

Gasket Requirements:

• Intake port sealing uses individual O-rings around each port (GM part# 12533587)
• Exhaust gaskets use MLS header gaskets (GM part# 12901125)

This bare cylinder head is ideal for engine builders and performance enthusiasts looking to upgrade their LS-series engine. The gravity casting process ensures a robust foundation with consistent material properties throughout the casting, providing reliability for high-performance applications.