Normally, the RB26DETT is known for generating horsepower easier than the RB25DET. It lags much less and has stronger internals – for this reason the NEO Edition receiving the RB26 rods.The RB25DE cylinder head in the A31 Cefiro C33 Laurel or R32 Skyline (aka: Non VCT) could be used. The RB25DET (through the R33 Skyline or C34 Laurel or Stagea) h