They have been really fast in responding back to me with a price tag for a new engine I needed. Acceptable and would advise! The RB25DE cylinder head from the A31 Cefiro C33 Laurel or R32 Skyline (aka: Non VCT) might be used. The RB25DET (from your R33 Skyline or C34 Laurel or Stagea) head is lik