Fuel Pressure Regulators

Radium's redesigned direct mount EFI fuel pressure regulator is new for 2020 and has many new improvements. The regulator mounts with a new swiveling fitting. The regulator has two 1/8NPT ports that can be used for a pressure gauge. A new swiveling...

Fuel pressure regulator kit for NB Miata MX-5. Provides means for adjustable fuel pressure. Installation is completely reversible. Can be used with OEM fuel pump hanger or Radium fuel pump hanger.

Radium Engineering 08-21 Subaru WRX STi (EJ257 Only) RA-Series Fuel Pressure Regulator Kit

Radium Engineering Multi-Port Regulator Rotating Assembly (MPR-RA) - Black

Cobb 19-21 Subaru STI / 2018 Type RA Stage 1 to NexGen Stage 2 + Flex Fuel Power Pkg Upgrade - Blue

Cobb 19-21 Subaru STI / 2018 Type RA Stage 1 to NexGen Stage 2 + Flex Fuel Power Pkg Upgrade - Blk

Cobb 15-21 Subaru STI / 2018 Type RA Stage 1 to NexGen Stg 2 + Flex Fuel Redline CF Power Pkg Upgd.

Cobb 15-21 Subaru STI (Incl. 2018 Type RA) NexGen Stage 2 + Flex Fuel Redline CF Power Package

Cobb 19-21 Subaru STI (Incl. 2018 Type RA) NexGen Stage 2 + Flex Fuel Power Package - Blue

Cobb 19-21 Subaru STI (Incl. 2018 Type RA) NexGen Stage 2 + Flex Fuel Power Package - Black

Cobb 15-18 Subaru STI Stage 1 to NexGen Stage 2 + Flex Fuel Power Package Upgrade - Blue

Cobb 15-18 Subaru STI Stage 1 to NexGen Stage 2 + Flex Fuel Power Package Upgrade - Black

Cobb 15-18 Subaru STI NexGen Stage 2 + Flex Fuel Power Package - Blue

Cobb 15-18 Subaru STI NexGen Stage 2 + Flex Fuel Power Package - Black

Cobb 15-21 Subaru STI / 2018 Type RA Stage 1+ to NexGen Stg 2 + Flex Fuel Power Package Upgrade