One of the best fuel pressure regulators on the market, precised pressure control over the entire RPM range. Recommended for the most precise tuning when you have a return fuel system.
Dual Pressure Ports
Stainless steel valve
FKM/Nomex Composite Diaphragm
Two Year Warranty - Compatible with all fuel types
- Hydrodynamic internal cavity suitable for passthrough regulation
- Zero chatter design for maximum life expectancy and maintained accuracy
- FKM/Nomex composite diaphragm, for longest life in any fuel type
- Fine Pitch adjustment screw for precise setting of fuel pressure
- Reversible stainless steel mounting bracket included (not shown in pictures)
- Universal, any vehicle with a return style fuel system
- Inlet Ports: two #8 o-ring
- Return Port: #8 o-ring
- Auxillary Port: 1/8 NPT (plug included)
- Boost/Vacuum Reference Port: 1/8 NPT (1/4" barb fitting included)
- Base Pressure range: 25-70 psi
- Boost Limit: 250 psi
How is the F1i improved over the F1 regulator?
- Full stainless steel valve (F1 had stainless/aluminum valve)
- Improved valve geometry for even higher accuracy
What are the key differences and similarities between the F1i and F2i?
- F1i and F2i have exact same valve geometry and performance specifications
- F2i has a ceramic/stainless valve, F1i has stainless/stainless valve