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Max Boost = 50psi
JDM Forester STI (SG9)
M20 stainless fill and drain plugs
The COBB Redline carbon fiber intake blends performance and aesthetics
: 14472AA040
GSC Dual Valve Spring and Ti Retainer Set FA 802008270 Max Boost = 50psiKEEP YOUR VALVES UNDER CONTROL GSC's dual valve spring kit is their most extreme valve spring option for the FA20. Dual springs feature a heavier outer spring that handles the primary load requirements together with a lighter inner spring for added stability and control. A slight interference between the two springs helps dampen spring oscillations for more accurate valve control at very high rpm. The combined springs offer a high closing pressure
