-The B&M Fuel Pressure Gauge Set allows for accurately measuring fuel pressure. Proper fuel pressure is critical at full throttle to prevent lean conditions. Recommended for use with CommandFlo for a complete, accurate fuel delivery tuning system. Part # 46054
-The BLOX Racing Adjustable FPR is an affordable and easy-to-install alternative to those complicated and expensive aftermarket units. This billet aluminum piece installs onto the factory fuel pressure regulator, turning it into an adjustable unit, allowing users to properly tune the air / fuel ratio. This is ideal for any aftermarket products requiring a bump in fuel pressure. It is designed to work with the factory or an aftermarket fuel rail. Part# bxfu-00402