4.5 Liter Engines: Within the 4.5-liter engine size, Nissan Motor Corporation produced a couple of different V8 engines. The least common is the VH45DE which was around in the early 90’s but was not that popular. Most people looking for a Nissan 4.5 V8 engine for sale are searching for the VK series version produced in the early 2000’s.
VK45DE This 4.5-liter V8 engine is all aluminum with an aluminum block and dual overhead cam (DOHC) cylinder heads. It included sequential fuel injection, forged steel connecting rods, variable valve timing (VVT), and titanium valves. It was rated at approximately 340 hp and was used as a 2002-2006 Infiniti Q45 engine, 2003-2008 Infiniti FX45 engine, and a 2003-2010 Infiniti M45