Universal Holley In Tank RetroFit Fuel Module with 255 LPH Pump Three Holley Retrofit 255 LPH Fuel Pump Module w Fuel Return Line Holley 12 310 OE Style EFI Fuel Tank Module, 255 LPH Holley 12 954 255 LPH Drop In Fuel Module Assembly Holley 12 954 255 LPH Drop In Fuel Module Assembly. Holley now offers offers a line of high performance Drop in fuel modules to cover a wide ranges of vehicles from sports cars to pickup trucks. These Drop in modules have been designed to the highest quality standards to provide increased performance and fuel efficiency for most stock, turbo, and supercharged applications capable of supporting 600+ horsepower. Features and Benefits: Complete drop in fuel module assembly Integrated fuel storage and filtration technology Built in, pre calibrated fuel level sensors Plug and play wiring harnesses Capable of supporting 600+ hp right out of the box Designed for return line and pulse width modulation (PWM) Associated Comments: TU228HP Details: Application: 1999 2000 Ford Mustang Average Current Draw: 10. 4 Ampere Average Flow Rating: 255 Liters per Hour Connector Color: Black Connector Gender: Female Connector Quantity: 1. 0 Free Flow Gph: 67 Free Flow Lph: 255 Fuel Type: Gasoline Fuel Filter Included: Yes Fuel Sending Unit Included: Yes Fuel System: EFI Fuel Tank Pressure Sensor Included: No Gasket Or Seal Included: No Grade Type: Performance Height: Standard Housing Material: Plastic In Tank or External: In Tank Internal Or External Strainer: External Lock Ring Included: No Maximum Pressure: 60 Pounds per Square Inch Mounting Hardware Included: No Negative Ground: Yes Outlet Quantity: One Outlet Size: 5 16 Barb Outlet Type: Barb Pump Type: Electric Regulator Included: No Resistance Ohms Empty: 15 Ohm Resistance Ohms Full: 160 Ohm Universal Or Specific Fit: Specific Voltage: 12 Volts DC Warranty: Manufacturer's Limited 90 Day Warranty Wire Harness Included: Yes Wire Quantity: 4. 0