7219 Oil Pressure Adapter(Silver)
Feature:
--Suitable for GM 4.8L, 5.3L, 5.7L, 6.0L engines, 1996-2006. Similar to Kent-Moore J-42907.
--A simple solution to check the oil pressure for GM Gen 3 V8 engine.
--This tool is installed in the position of the oil filter and provides a port for connecting the oil pressure tester gauge, noting that it is not an attempt to obtain the oil pressure through the sender port with non-standard threads.
--Allow the engine oil pressure to be measured. Help you maintain the oil system.
--Make the oil pressure control more convenient and easier, make the system stable and safe operation.

Unique Design:
Providing ports to attach oil pressure tester.
Dual port for bottom or side tester connection.
Installs with 11/16" (17mm) hex drive socket.
Make it really easy to connect a pressure gauge.

EN-47971 Oil Pressure Gauge Preluber Adapter (Blue)
Feature:
--Suitable for Corvette Camaro Malibu and ATS Generation 4 & 5 V8 engines.
--If you're working on a Generation 3 engine you'll need the other one #7219/J-42907 in this kit instead.
--Provides dual port to attach oil pressure tester for bottom or side tester connection.
--The oiling system on the small-block V8 engines now requires the use of a unique oil filter.
--EN-47971 is installed in place of the spin-on oil filter, and allows existing oil pressure gauge
--J-21867 or J-21867-A to be attached for engine oil system diagnosis, J-45299 Engine Pre-luber can also be attached to Pre-luber the engine prior to starting a replacement engine.

Unique Design:
Provide ports to connect the oil pressure tester.
Dual port for connection of bottom or side tester.

Package Includes:
1 x 7219 Oil Pressure Gauge Adapter (Silver)
1 x EN-47971 Oil Pressure Gauge Adapter (Blue)