Oil Pressure Adapter Tool Type Oil Pressure Adapter Length 2 45/64 in Width 2 45/64 in Height 1 13/64 in Spout Flex Size 1/2 in Material Steel For Vehicle Tool Category Engine Color Gray Number of Pieces 1 Application Installs In Place of Oil Filter Providing Ports to Attach Oil Pressure Tester Allowing Engine Oil Pressure to Be Measured For Use With GM 4.8L 5.3L 5.7L 6.0L Engines 1996 to 2006 (Similar to J-42907) Size 1/2 in