Speedmaster PCE281.1136 Cast Aluminum Bare Cylinder Head Small Block Chevy 350 190cc 64cc

The Speedmaster PCE281.1136 is a bare cast aluminum cylinder head designed for Small Block Chevy 350 engines in entry-level street and strip applications. This bare head features a 64cc combustion chamber and 190cc intake runner volume, providing improved power throughout the entire rpm range for enhanced throttle response and performance.

Key Specifications:

• Intake valve diameter: 2.020 inches, exhaust valve diameter: 1.600 inches
• 23-degree valve angle with square intake and exhaust ports
• Straight spark plug configuration
• Center and perimeter bolt valve cover mounting style
• Natural aluminum finish
• Standard intake and exhaust port locations

Construction Features:

• T6 heat-treated gravity die-cast aluminum construction
• Bronze valve guides included
• CNC-finished faces and bolt holes for extreme accuracy
• Flame-hardened valve seats compatible with all fuel types
• Machined for screw-in studs and guide plates
• Plenty of material for upgrading to larger horsepower applications
• OEM accessory bolt pattern with drilled accessory bolt holes

Manufactured with both conventional intake manifold bolt pattern and Vortec bolt pattern for versatile fitment options. This bare head allows builders to select their own valves, springs, retainers, and other components to match their specific performance requirements. Sold individually.