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Item #: 24502517
Reg. Price: $1,623.96
Our Price: $1,377.11
Quantity:
 

Description 

The splayed-valve cylinder head has 240cc intake runners. The splayed-valve casting has a .240" minimum port wall thickness that permits extensive modifications by cylinder head specialist seeking even more airflow. The intake valves are angled 16 degrees to the deck surface and tilted (splayed) 4 degrees. The exhaust valves are 11 degrees, with a 4 degree tilt. This cylinder head has symmetrical intake and exhaust ports and can accommodate a 2.20" diameter intake valve and a 1.65" exhaust valve. Its nominal combustion chamber volume is 45cc, although the actual volume will depend on the seats and valves installed. Technical Notes: Does not include seats or valve guides. The intake valve location moves the valve .050 closer to the bore center line than the earlier P/N 10185040. The following items are available from GM for the installation of this cylinder head: Rocker arm stand P/N 10185041, Intake gasket P/N 10185042, Rocker cover gasket P/N 10185043, and Rocker cover P/N 10185045. The intake manifold and remaining valvetrain components will have to be purchased in the aftermarket or be fabricated.
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