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4.3-Liter Engines: Toyota only ever produced one 4.3-liter engine and it fell under the UZ Toyota engine classification. This Toyota engine was originally built in Japan and was used overseas for Toyota vehicles and in the United States for Lexus products.
3UZ-FE - The 3UZ-FE is a Toyota built 4.3-liter V8 engine with an aluminum block and aluminum cylinder heads. This engine used dual overhead cams (DOHC), 4 valves per cylinder, variable valve timing with intelligence (VVT-i), and an SEFI fuel injection system. This 4.3 Toyota V8 engine for sale was used in the 2000-2006 Lexus LS 430, 2000-2007 Lexus GS 430, and finally the 2001-2010 Lexus SC 430. The 4.3 Toyota engine was rated at 290-300 hp straight out of the box.