The cylinder head is fabricated from a light, solid aluminum alloy with excellent cooling performance. Camshafts are made of specifically cast metal and therefore are driven by a timing belt. The 2JZ-GTE engine is supplied with 4 valves per cylinder: two consumption valves and two exhaust valves. Contacted seller by https://remingtontpuvf.humor-blog.com/27571853/about-jdm-toyota-2jz-gte-vvti-for-sale-built-2jz-gte