POWERFLOW™ Fuel Pressure Regulators  
  Here is the Professional Products POWERFLOW Fuel Regulator Lineup:  
 
Part No.
Description
Bypass
Carb or EFI
Manifold Ref.
Pressure Range
 
 
10650
2-Port - (1) 1/2-NPT inlet, (2) 3/8-NPT outlets (Blue)
No
Carb
No
4.5 to 9 PSI
 
 
10651
2-Port - (1) 1/2-NPT inlet, (2) 3/8-NPT outlets (Polished)
No
Carb
No
4.5 to 9 PSI
 
 
10652
3-Port - (1) 3/8-NPT inlet, (3) 3/8-NPT outlets* (Blue)
Yes
Carb
Yes
4.5 to 9 PSI
 
 
10653
3-Port - (1) 3/8-NPT inlet, (3) 3/8-NPT outlets* (Polished)
Yes
Carb
Yes
4.5 to 9 PSI
 
 
10656
4-Port - (1) 1/2-NPT inlet, (4) 3/8-NPT outlets (Blue)
No
Carb
No
4.5 to 9 PSI
 
 
10657
4-Port - (1) 1/2-NPT inlet, (4) 3/8-NPT outlets (Polished)
No
Carb
No
4.5 to 9 PSI
 
 
10658
5-Port - (1) 3/8-NPT inlet, (5) 3/8-NPT outlets* (Blue)
Yes
Carb
Yes
4.5 to 9 PSI
 
 
10659
5-Port - (1) 3/8-NPT inlet, (5) 3/8-NPT outlets* (Polished)
Yes
Carb
Yes
4.5 to 9 PSI
 
 
10660
2-Port - (1) 3/8-NPT inlet, (2) 3/8-NPT outlets (Blue)
No
Carb
No
4.5 to 9 PSI
 
 
10661
2-Port - (1) 3/8-NPT inlet, (2) 3/8-NPT outlets (Polished)
No
Carb
No
4.5 to 9 PSI
 
 
10662
2-Port - (1) 3/8-NPT inlet, (2) 3/8-NPT outlets (Blue)
No
Carb
No
2 to 4 PSI
 
 
10663
2-Port - (1) 3/8-NPT inlet, (2) 3/8-NPT outlets (Polished)
No
Carb
No
2 to 4 PSI
 
 
10665
2-port - (1) 9/16-18 inlet, (2) 9/16-18 outlets - Black and aluminum finish
No
Carb
No
4.5 to 9 PSI
 
 
106701
2-Port - (1) 3/8-NPT inlet, (2) 3/8-NPT outlets* (Blue)
Yes
EFI
Yes
25 to 75 PSI
 
 
106711
2-Port - (1) 3/8-NPT inlet, (2) 3/8-NPT outlets* (Polished)
Yes
EFI
Yes
25 to 75 PSI
 
 
10672
4-Port - (1) 3/8-NPT inlet, (4) 3/8-NPT outlets* (Blue)
Yes
EFI
Yes
25 to 75 PSI
 
 
10673
4-Port - (1) 3/8-NPT inlet, (4) 3/8-NPT outlets* (Polished)
Yes
EFI
Yes
25 to 75 PSI
 
 
10678
1986-'93 Ford 5.0L (Blue)
Yes
EFI
Yes
25 to 75 PSI
 
 
10679
1986-'93 Ford 5.0L (Polished)
Yes
EFI
Yes
25 to 75 PSI
 
 
10680**
1994-'95 Ford 5.0L and 1996-'97 4.6L (Blue)
Yes
EFI
Yes
25 to 75 PSI
 
 
10681**
1994-'95 Ford 5.0L and 1996-'97 4.6L (Polished)
Yes
EFI
Yes
25 to 75 PSI
 
 
10685
2-port - (1) 9/16-18 inlet, (1) 9/16-18 outlet (1) 9/16-18 return - Black & aluminum finish
Yes
EFI
Yes
25 to 75 PSI
 
 
10686
2-port - (1) 93/8-NPT inlet, (1) 3/8-NPT outlet (1) 3/8-NPT return - Black & aluminum finish
Yes
EFI
Yes
25 to 75 PSI
 
  *One Outlet is a bypass (return) line. **Also fits 1998 Cobra and '94-'98 3.8L Mustang.  
  1These two regulators will be discontinued when current supplies are gone. Both numbers will be replaced by the new 10686 regulator.