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This is the Boomba Racing Focus ST Fully Adjustable Bypass Valve
TSP (Thermal Stability Profiling)
Designed with (4) coalescent filters that filter particulates larger than 5 microns
5 Liter TY856This Part Fits:
FactionFab V2 FL-Spec Coilovers 2002-2007 WRX / 2004 STI / 2004-2008 Forester PDM_brake-ducting-kits This is the Boomba RacingThese V2 FL Specs are our best all around coilover. They have balanced spring rates and valving to suit street and light track driving while improving handling and steering response. The FL Spec line features a hybrid rubber isolated camber plate that significantly reduces NVH while providing camber adjustment in the front. They also have the biggest height adjustment range of all our coilovers so you can ride at near stock height or at extreme lows.