HKS - Up-Rated Valve Springs - Toyota 4A-GE 16v forester-sj5-applied-b-2014-2014-na-fb20-h4 on engine sizes ranging between

on engine sizes ranging between 2

FIA Approved: SFI

There is a boost warning mode

Part Number: E35AAN

Part Number: F67IZR

HKS - Up-Rated Valve Springs - Toyota 4A-GE 16v forester-sj5-applied-b-2014-2014-na-fb20-h4 on engine sizes ranging betweenSpecifications: Manufacturer: HKS Reference Number: 2201 RT004 Duration: Lift: mm 1. Compatible with High RPM Engines As engine rpm rises, valves must open and close in a shorter time and so requires stronger Valve Springs in order to apply sufficient pressure. 2. Ensuring Close Contact When changing to high lift cams, proper contact between the valves and the cams can be lost which leads to valve float. HKS Valve spring use the highest quality