The SB1100 is a performance auto part from World Products. It is a high-performance aluminum cylinder head designed for use on small block Chevrolet engines. It features a 115cc combustion chamber, angled spark plug, and 2.02/1.60 valves. It is made from premium grade cast aluminum for strength and durability, and is capable of producing up to 35% more horsepower than comparable off-the-shelf cylinder heads. It is ideal for street and racing applications in engines up to and including 400 cubic inches. The SB1100 head will provide improved airflow and power, and is optimized for deep-breathing intakes and long-tube headers.