Performance Oil Pump for Twin Cam 96 MotorsHigh Volume High Pressure Oil Pumps for Twin CamsSize matters! These oil pumps feature a massive 53mm trochoid rotor for unsurpassed scavengevolume and pressure, even at low RPMs (see charts). The cam support plate adaptor makes themcompatible with the stock OEM or Screamin Eagle cam support plate and atftermarket billet aluminum cam support plates. Available for early and late Twin Cam engines.