HKS 03-06 Lancer Evolution / 89-99 Eclipse / 90-93 Galant Turbo Engine Management Systems Bolt Material: 304 Stainless Steel

Bolt Material: 304 Stainless Steel

Boost Mode: Throttle response time will become quicker and results in improved accelerator pedal feel

Direct Fit Design - No trimming or adapter hardware needed

this system is ideal for enthusiasts looking to elevate their Civic’s performance

HKS 03-06 Lancer Evolution / 89-99 Eclipse / 90-93 Galant Turbo Engine Management Systems Bolt Material: 304 Stainless SteelValve spring performance is very important for valves to follow accurate cam profile. 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