X1 Series Carburetor Bypass 2-Port Regulator, Seat: .313" (Black), 3-20 psi|Aeromotive X1 Series Carburetor Bypass 2-Port Regulator Seat: .313" (Black).
Aeromotive X1 Series Internal Conversion Kit 188in seat 35-75psi 13013
Aeromotive X1 Series Internal Conversion Kit 313in seat 35-75psi 13015
Aeromotive X1 Series EFI Pro Bypass 2-Port Regulator Seat: .313" (Black)
Aeromotive X1 Series Internal Conversion Kit Seat: .313"
Aeromotive X1 Series Internal Conversion Kit Seat: .188"
Aeromotive Regulator X1 Series – EFI Bypass 13303 AEROMOTIVE'S NEWEST Regulator