HKS FUEL UPGRADE KIT ZN6/ZC6
HKS F20C AP1 Fuel Upgrade Kit - 750cc
HKS VR38 Injector Upgrade Kit - 1000cc
HKS SR20 Injector Upgrade Kit - 750cc
HKS F20C AP1 Injector Upgrade Kit - 750cc
HKS EJ20 Injector Upgrade Kit - 750cc
HKS TWIN INJECTOR Pro KIT R35 GT-R
HKS 09-10 Nissan GT-R Fuel Pump Upgrade with 2 x drop-in fuel pumps
HKS FUEL DELIVERY KIT CT9A(EVO7/8)
HKS 2015+ Subaru WRX STI FUEL UPGRADE KIT 650 EJ20
HKS JZX100/JZX110 SSQV4+ Return Kit
