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B160B is a high-performance, aluminum cylinder head by World Products. It is designed to be used in circle track or drag racing engines and it is offered in several different configurations to meet specific performance needs. It features a 230cc intake runner and a 87cc exhaust runner, as well as A356-T6 aluminum construction, making it strong and lightweight. It is also feature-rich, including a 61cc or 64cc combustion chamber, Siamese intakes, 3/8” thick decks, and 2.19” intake valves and 1.88” exhaust valves.