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Atomic EFI
PN 2920 - Fuel Pump Kit, 525 HP
Installation of this product requires detailed knowledge of automotive systems
and repair procedures. Installation of fuel system parts and any fuel tank
modifications must be carried out by a qualified automotive technician. Installation of fuel system
parts requires handling of gasoline. Ensure that work is performed in a well ventilated area with an
approved fire extinguisher nearby. Extinguish all open flames, prohibit smoking and eliminate all
sources of ignition in the area of the vehicle before beginning the installation.
When working with fuel systems, eye goggles and other safety apparel should be worn to protect
against debris and sprayed gasoline. The finished work must be thoroughly checked to ensure
there are no fuel leaks.
Parts Included:
1 - Fuel Pump
1 - Small Parts Bag (screws, nuts & washers)
2 - Fuel Pump Clamps
1 - Pre Filter (pre pump)
1 - Post Filter (post pump)
15 ft 3/8" Fuel Line
DANGER
CAUTION
WARNING
NOTICE
A Returnless fuel system does have limitations depending on your application and a few other
variables. Please see the included addendum for determining whether a returnless system is right for you.
DANGER
CAUTION
WARNING
NOTICE
DANGER
CAUTION
WARNING
NOTICE
The fuel system is under pressure. Do not open the fuel system until the pressure
has been relieved. Refer to the appropriate vehicle service manual for the
procedure and precautions for relieving the fuel system pressure.
The Fuel Pump Kit, PN 2920, contains all the components necessary to set up a returnless fuel system
for the Atomic EFI. This means that a return line to the fuel tank is not required, which simplifies the
fuel system installation. This kit can also be used with the MSD PN 2922 return kit, if a return line to the
tank is needed.
Parts Bag:
1 - Clamp, Pre-filter
1 - Clamp, Post-filter
7 - Clamps, Fuel Line
2 - Self Tapping Screws
2 - Fitting, 6AN, 90°
2 ft. Black Wire
1 - 14g Ring Lug
Figure 1 Atomic Returnless Fuel System.
POST
FUEL
FILTER
FUEL
PUMP
FUEL TANK
PRE FUEL
FILTER
NOTE: Hard fuel lines are NOT recommended
for use with the returnless fuel system.
CORRECT RETURNLESS (PWM) INSTALLATION
INSTALLING THE RETURNLESS FUEL SYSTEM
