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Billet EFI Regulator



P/N – 43136 | Waterman Racing Billet EFI Regulator

This EFI return style Regulator encompasses features and benefits only found on Waterman regulators and in a new smaller and lighter package. Capable of supporting applications up to 1000 HP, the 13129 EFI return style Regulator can handle high-flow EFI fuel pumps and the most aggressive street machines; especially those looking for a cleaner, lighter solution where performance is critical or where space is a premium.

  • Base pressure adjustable from 40-75 psi
  • Fuel pressure rises on a 1:1 ratio with boost
  • (2) ORB-06 inlet/outlet ports and (1) ORB-06 return port
  • 1/8” NPT gauge port
  • Bright Dip Black Anodized Finish
  • Vacuum boost port
  • CNC-Machined 6061 T6 billet aluminum construction

This product is not legal for sale or use on emission-controlled vehicles except when used as a direct replacement part matching OEM specifications.

Additional information

Weight 0.63 lbs
Dimensions 7.13 × 5 × 2.25 in
Finish Option


Mounting Configuration: External

CARB or EFI Power Adder FUEL Horsepower

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