Power Boost Valve - available from Flexolite

It also has the benefit of increasing the system pressure from tick-over at a faster rate than the car's standard control valve thus providing a faster throttle response, removal of 'flat spots', and improved acceleration. (Fuel enrichment rate of 1:1.7) (Has facility for fuel pressure gauge as shown  - gauge supplied separately.)  Valves supplied for specific application – please ask for details. E10-E85 compatible. Prices start at £98.