GFB Mach 2 Atmosphere Conversion Kit-Changes T9107 or T9125 from Recir to Atmosphere

MACH 2 ATMO UPGRADE KIT TO CONVERT T9107/T9125 FROM RECIRC TO ATMO VENTING BOV, WITH TRUMPET, SPRING AND PLUG. Harder spring supplied, as the valve needs to remain closed at idle when venting to atmo, to prevent stalling/backfiring.