Ideal to mount 1/8PT Temperature and Pressure Sensors.

  Oil Block Adapter includes two center bolt sizes: M20xP1.5 & 3/4"x16UNF, to fit most Japanese engine makes. 

  Also included are two common O-ring sizes:  I.D. #5- 56mm & #6- 65mm

  Sensor ports: 2x 1/8PT for pressure and temperature, 1x  M12xP1.25 washer seal type.

 (Replacement () 1/8 BSP Allen plug - )

* also see GReddy Sport Oil Filters (sold separately)