The D during the engine code stands for dual overhead camshaft (DOHC). This is often completed by fitting an RB25DE or RB26DETT cylinder head and or turbo to an ordinary RB30E/T block. The RB25DET isn't usually used. The most crucial matter to keep in mind on the RB25 sequence is https://buy-rb26-engine37036.rimmablog.com/27894368/motor-rb26-options