Carby Billet FP Reg, 4.5-9 PSI.
Dead Head Style for Carby Applications.
3/8" NPT Ports
Holley 12-840 is a 2-port design "Dead Head" style fuel regulator with NPT (Tapered threads)
Use Speedflow adapters:
816-06-06 adaptors for 5/16 or 3/8 hoses.
816-08-06 for 1/2" hose.
Supplied with a handy mounting bracket and screws for easy installation.
Tags: Holley, Fuel System, Braswell, Dominator, APD, Advanced Product Design, Enforcer, Carbys,