Features: Male M12x1.5 and Female 3/8 NPT coolant temperature sensor. The oil pressure sensor adapter installs most commonly in the top-rear or front-driver side of the engine block to access pressurized oil of the engine. The coolant temperature sensor adapter allows you to keep your original sensors and integrate them into your swapped LS engine. Made of high quality aluminum. This adapter installs most commonly in the top-rear, or front-driver side of the engine block to access pressurized oil of the engine. Seals to the block with a sealing washer. Package Includes: 1 x Fuel Pressure Sensor 1 x Gasket Specifications: Material:Aluminum Alloy Size: Approx.4.5cm/1.77inch Color:Silver note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.