Each EFI Fuel Rail Pressure Gauge Adaptor Kit contains a unique adapter fitting which simply screws onto the vehicles fuel system service port Schrader valve on the fuel rail or fuel line, depending on the application.
GM Fuel Rail Pressure Gauge Kit for Fuel LS1 LS2 LS3 LS6 Fuel Service Ports
GM Fuel Rail Pressure Gauge Kit for Fuel Service Ports (Retains Schrader Valve)
Chrysler Fuel Rail Pressure Gauge Kit for Fuel Service Ports
GM Fuel Rail Pressure Gauge Kit for Fuel Service Port (Retains Schrader Valve)
Fuel Rail Pressure Gauge Adapter GM LS1 LS2 LS3 LS6 Fuel Service Port usa made
