Holley Boost Compensating Universal EFI Fuel Pressure Regulator Audi noise-canceling microphone is adjustable to

noise-canceling microphone is adjustable to allow for optimum spacing from the mouth to reduce external noise

CD-5F Carbon Flat Panel Non-Logging/ Non-GPS Display

Super strong and stretch resistant replacement

Multi-disc clutch and flywheel assemblies for limited street

180-degree floating arm gussets for increased flexibility in the arms

Holley Boost Compensating Universal EFI Fuel Pressure Regulator Audi noise-canceling microphone is adjustable toThis precision adjustable fuel metering regulator is the ultimate fuel pressure control unit designed to work on all naturally aspirated EFI, turbo, and supercharged applications like vehicles that run in the Pro Street, Pro Import, and Outlaw classes. This is a 2 port 1: 1 boost compensating return style regulator that is adjustable from 15 65 PSI + boost reference and is designed to be used in conjunction with any electric EFI fuel pump. Features