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Description

Upgraded Valve SPG 4G6322001 AM001 VALVE SPRING Valve Spring for High RPM Engines Valve 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

and thus unable to deliver the appropriate amount of fuel

1x Heat Shield Assembly

The plate holder is made from laser cut plate aluminum which is texture powder coated in a wrinkle black finish

This Part Fits The Following Vehicles

Guaranteed for life

*We recommend using HKS SUPER FIRE RACING spark plugs

Driver's Side Carbon Fuse Cover for Porsche OE Fit with Real Glossed Carbon Fiber Finish

2012 Subaru Impreza STI Sedan MT ADM

It contains default data for this kit

The S5 Track Edition Exhaust is known for its powerful

Although the engine cover can be put back after the buttons break

the output is bigger