The cylinder head is made of a light, strong aluminum alloy with great cooling efficiency. Camshafts are made of specifically cast metal and so are driven by a timing belt. The 2JZ-GTE motor is provided with four valves for each cylinder: two consumption valves and two exhaust valves. Wonderful encounter. https://donovanosrtu.blogginaway.com/28645018/how-much-you-need-to-expect-you-ll-pay-for-a-good-jdm-toyota-2jz-gte-vvti-for-sale-built-2jz-gte