Lingenfelter Nostrum GM LT4 1150-250 High Pressure Fuel Pump

 

The Lingenfelter Nostrum 1150-250 GM LT4 High Pressure Fuel Pump is very similar outline to a stock GM LT4 pump (part number 12711668 or 12694529), this universal pump differs with an AN06 male threaded low pressure inlet as opposed to a 3/8" SAE quick connect fitting (on the LT4). The AN fitting allows you to adapt the universal pump for your application specific needs with the addition of industry standard AN fitting hardware. This pump does not include the accessories and hardware associated with engine installation. For single piece GM LT4 service parts with accessories and hardware, please go to your local GM parts center.

 

 

 

 

Piston Diameter	11.49 mm
Max Piston Travel (TDC-BDC)	10 mm
Max Operating Pressure (Rail Pressure Target)	250 Bar (25 MPa / 3636 PSI)
Displaced Flow Per Cam Revolution (6 mm stroke)	1865.44 mm^3
High Pressure Fitting Spec	M14x1 Male Thread with Inner Female Cone
Low Pressure Fitting Spec	AN06 Male