Speedflow Universal Check Valve/One Way Valve/Non Return Valve Fitting.
Inlet Size: -6AN Male Outlet Size: -6AN Male.
Uses: Fuel Pressure Systems, Oil Pressure Systems, Transmission Cooling lines, Air Systems, Fuel Cell Breather (With Cracking Spring Removed).
This valve works well with a 411 Series Barb adapters also listed in or store under push on fittings.
The valve is fitted with an internal Viton O-Ring suitable for unleaded & ethanol fuels also supplied loose is a black O-Ring suitable for Methanol and Diesel (Oil systems use Viton).
The internal valve has a spring with a 3 psi cracking pressure it can be removed if needed (Breather Setup).
Made from 6061 aluminium making this a very strong adapter.
Blue hard anodised aluminium construction (Also available in Black anodised finish).

Speedflow Universal Check Valve/One Way Valve/Non Return Valve Fitting.
Inlet Size: -6AN Male Outlet Size: -6AN Male.
Uses: Fuel Pressure Systems, Oil Pressure Systems, Transmission Cooling lines, Air Systems, Fuel Cell Breather (With Cracking Spring Removed).
This valve works well with a 411 Series Barb adapters also listed in or store under push on fittings.
The valve is fitted with an internal Viton O-Ring suitable for unleaded & ethanol fuels also supplied loose is a black O-Ring suitable for Methanol and Diesel (Oil systems use Viton).
The internal valve has a spring with a 3 psi cracking pressure it can be removed if needed (Breather Setup).
Made from 6061 aluminium making this a very strong adapter.
Black anodised finish.

Speedflow Universal Check Valve/One Way Valve/Non Return Valve Fitting.
Inlet Size: -8AN Male Outlet Size: -8AN Male.
Uses: Fuel Pressure Systems, Oil Pressure Systems, Transmission Cooling lines, Air Systems, Fuel Cell Breather (With Cracking Spring Removed).
This valve works well with a 411 Series Barb adapters also listed in or store under push on fittings.
The valve is fitted with an internal Viton O-Ring suitable for unleaded & ethanol fuels also supplied loose is a black O-Ring suitable for Methanol and Diesel (Oil systems use Viton).
The internal valve has a spring with a 3 psi cracking pressure it can be removed if needed (Breather Setup).
Made from 6061 aluminium making this a very strong adapter.
Blue hard anodised aluminium construction (Also available in Black anodised finish).

Speedflow Universal Check Valve/One Way Valve/Non Return Valve Fitting.
Inlet Size: -8AN Male Outlet Size: -8AN Male.
Uses: Fuel Pressure Systems, Oil Pressure Systems, Transmission Cooling lines, Air Systems, Fuel Cell Breather (With Cracking Spring Removed).
This valve works well with a 411 Series Barb adapters also listed in or store under push on fittings.
The valve is fitted with an internal Viton O-Ring suitable for unleaded & ethanol fuels also supplied loose is a black O-Ring suitable for Methanol and Diesel (Oil systems use Viton).
The internal valve has a spring with a 3 psi cracking pressure it can be removed if needed (Breather Setup).
Made from 6061 aluminium making this a very strong adapter.
Black hard anodised aluminium construction (Also available in Blue anodised finish).

Speedflow Male AN Check Valve Fitting to suit Bosch 044, 046, 053, 413, 909, 910, 911, 975, 979 & 984 Fuel Pumps (With OEM valve removed).
Will fit fuel Pumps with outlet thread M12x1.5 and Female -6AN Hose Ends or Adapter..
This Check Valve will help prolong the fuel pumps life when base fuel pressure is set above 30psi.
Most bosch pumps are fitted with a low flowing valve standard but need to have a banjo or special concave adapter.
The valve is fitted with an internal Viton O-Ring suitable for unleaded & ethanol fuels also supplied loose is a black O-Ring suitable for Methanol and Diesel.
The internal valve has a spring with a 3 psi cracking pressure it can be removed if needed.
Made from 6061 aluminium making this a very strong adapter.
Black/Blue hard anodised aluminium construction

Speedflow Male AN Check Valve Fitting to suit Bosch 044, 046, 053, 413, 909, 910, 911, 975, 979 & 984 Fuel Pumps (With OEM valve removed).
Will fit fuel Pumps with outlet thread M12x1.5 and Female -6AN Hose Ends or Adapter..
This Check Valve will help prolong the fuel pumps life when base fuel pressure is set above 30psi.
Most bosch pumps are fitted with a low flowing valve standard but need to have a banjo or special concave adapter.
The valve is fitted with an internal Viton O-Ring suitable for unleaded & ethanol fuels also supplied loose is a black O-Ring suitable for Methanol and Diesel.
The internal valve has a spring with a 3 psi cracking pressure it can be removed if needed.
Made from 6061 aluminium making this a very strong adapter.
Black hard anodised aluminium construction

Speedflow Male AN Check Valve Fitting to suit Bosch 044, 046, 053, 413, 909, 910, 911, 975, 979 & 984 Fuel Pumps (With OEM valve removed).
Will fit fuel Pumps with outlet thread M12x1.5 and Female -8AN Hose Ends or Adapter..
This Check Valve will help prolong the fuel pumps life when base fuel pressure is set above 30psi.
Most bosch pumps are fitted with a low flowing valve standard but need to have a banjo or special concave adapter.
The valve is fitted with an internal Viton O-Ring suitable for unleaded & ethanol fuels also supplied loose is a black O-Ring suitable for Methanol and Diesel.
Made from 6061 aluminium making this a very strong adapter.
Black/Blue hard anodised aluminium construction

Speedflow Male AN Check Valve Fitting to suit Bosch 044, 046, 053, 413, 909, 910, 911, 975, 979 & 984 Fuel Pumps (With OEM valve removed).
Will fit fuel Pumps with outlet thread M12x1.5 and Female -8AN Hose Ends or Adapter..
This Check Valve will help prolong the fuel pumps life when base fuel pressure is set above 30psi.
Most bosch pumps are fitted with a low flowing valve standard but need to have a banjo or special concave adapter.
The valve is fitted with an internal Viton O-Ring suitable for unleaded & ethanol fuels also supplied loose is a black O-Ring suitable for Methanol and Diesel.
Made from 6061 aluminium making this a very strong adapter.
Black hard anodised aluminium construction