The cylinder head is product of a light-weight, powerful aluminum alloy with very good cooling efficiency. Camshafts are created of specifically Forged steel and they are driven by a timing belt. The 2JZ-GTE motor is equipped with 4 valves for every cylinder: two consumption valves and two exhaust valves. JDMBUYSELL https://beauogubt.blogadvize.com/34666068/jdm-toyota-2jz-gte-vvti-for-sale-built-2jz-gte-options