I asked for any estimate over a Sunday afternoon and been given it within the hour. That’s terrific customer service! T.U. NMThe RB25DE cylinder head within the A31 Cefiro C33 Laurel or R32 Skyline (aka: Non VCT) is usually used. The RB25DET (within the R33 Skyline or C34 Laurel or Stagea) head is usually used, however an external oil feed should