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Ships within 48 hours · Estimated delivery Aug 18 - Aug 23
Thickness = 30mm
Complete with a carbon style shift pattern emblem
WRX MY08-21
JDM Forester STI (SG9)
: 14472AA040
GSC Dual Valve Spring and Ti Retainer Set FA 802008270 Thickness = 30mmKEEP 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
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