The cylinder head is fabricated from a lightweight, potent aluminum alloy with good cooling efficiency. Camshafts are made of specifically Forged metal and they are pushed by a timing belt. The 2JZ-GTE motor is supplied with 4 valves for each cylinder: two intake valves and two exhaust valves. Contacted seller https://jdmtoyota2jzgtevvtiforsal37913.gynoblog.com/27716628/not-known-factual-statements-about-jdm-toyota-2jz-gte-vvti-for-sale-built-2jz-gte