The D in the engine code means twin overhead camshaft (DOHC). This is achieved by fitting an RB25DE or RB26DETT cylinder head and or turbo to a standard RB30E/T block. The RB25DET just isn't normally used. The two Infiniti and Nissan have used the VH45DE engine. However, the VH45DE was https://erickbcdca.buyoutblog.com/28299974/the-2-minute-rule-for-new-rb26dett-for-sale