LS1 4.8 5.3 5.7 6.0 Engine Oil Pressure Coolant Temp Gauge Fitting Adapter Swap

The Coolant Temp adapter replaces the plug in the passenger side cylinder head and is made for newer low profile senders. 1X Coolant Temp Adapter (M12x1.5 to 1/8" NPT). The Oil pressure adapter replaces the factory sender behind the intake.