This is a must have regulator for any performance application! Features EFI engines utilises extra light weight diaphragm assembly Provides excellent pulsation dampening Dampens pressure spikes caused by high flow fuel pumps and cycling injectors Expecially non-factory high flow injectors - Regulators are 1 to 1 rising rate and are anodised and machined from billet aluminium Provide the correct fuel pressure for any high performance fuel injected vehicle Boost compensating design it can provide more fuel under high boost conditions Pressure adjustment is made easy by turning the built - in 360 degree nut Carbon fiber style gauge read out in PSI & BAR STD EFI Hose Barbs Comparable to SARD fuel regulator in both quality and design! Why spend $175.00 or more?