Speedmaster PCE281.1802 Pontiac Ram Air Aluminum Bare Cylinder Head 215cc 87cc

The Speedmaster PCE281.1802 is a bare aluminum cylinder head for Pontiac 389, 400 and 455 engines. It has Ram Air IV style intake and exhaust ports, a 215cc intake runner and an 87cc combustion chamber. It is a good starting point for a custom Pontiac top-end build.

Key Features:

• Cast aluminum construction with a natural finish
• 215cc intake runner volume and 87cc combustion chamber volume
• Ram Air IV intake and exhaust port shape, with standard port locations
• 14 degree intake valve angle
• Bronze valve guides installed, with ductile iron valve seats
• Through-pushrod oiling and a perimeter bolt valve cover mounting style
• Accessory bolt holes drilled
• Sold individually

Bare head: Valves, springs, retainers, locks, valve stem seals, rocker arms and rocker studs are not included. The combustion chambers and runners are not CNC-machined, and the valve seats are not machined. Finish the head to match your camshaft, valvetrain and build plan.