Included = 1x Spring.
Radium RA-Series FPR Fuel Pressure Regulator Kit for Subaru STI 08-21 EJ257
Radium 20-0303 FPR Adapter 8AN ORB 11mm Bore 32mm Spacing M5
Radium FPR 20-0014 Fuel Pressure Regulator w/ 6 Bar 88psi
Radium 20-0842 FPR Adapter 8AN ORB 16mm Bore 50mm Spacing M6
RADIUM Engineering 20-0932-05 FPR and Fuel Filter Kit For BMW E46
RADIUM Engineering 20-0965 FPR Kit for 08-21 Subaru STI RA Series
