HKS Head system Step3 SR20DET
HKS 91-00 Infiniti G20 SR20DET Outer Valve Spring Set
HKS 03-06 Lancer Evolution / 89-99 Eclipse / 90-93 Galant Turbo / 89-98 Eagle Talon Turbo Valve Spri
HKS Upgraded Valve SPG RB26DETT step2
HKS 85-91 Toyota Corolla GTS / 85-89 MR2 Valve Spring Set
