GReddy Universal 3/4 x 16UNF Oil Cooler Block Type-E - Engine Block threads : 3/4 x 16UNF - Oil Filter threads : 3/4 x 16UNF -10 AN Fittings. with built-in Thermostat. (operating temperature: 75c - 82c ±2c) *Ideal for custom Oil Cooler Kits Must use GReddy Sized Oil Filters : OX-01 P/N 13901101 or OX-03 P/N 13901103 (3/4"x16UNF) or AE86 - 4AG sized Oil Filter. Use P/N 16400720 to install JDM 1/8 PT (1/8 BSP) ports for sensors