When the engine mechanical system (including increasing turbine system) through later in severe or modified vehicles often working conditions in a high number of revolutions of the engine to withstand the high temperatures much higher than the Pristine, when converted generally recommend the use of engine oil cooling system stability work, ranging from machine wear serious, while even burning machine. No-original work of machine before installing an adapter must be installed. Reduce engine temperature, increased engine protection, improve the cooling effect to enhance dynamic performance.Makes the engine work more smoothly, more powerful torque output. Item Type:Cooling System Name:Oil Adapter Sandwich Plate OIL FILTER COOLER SANDWICH PLATE ADAPTER:For , for , for , for , for , for , for , for , for , for , for ... The most conventional and most popular size: Connectors Size(each one pcs): M18x1.5, M20x1.5, M22x1.5, 3/4-16 UNF. Colour:Silver Material:Metal Package Contents: 1 set * Oil pressure gauge adapter socket Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.