• Ferrea Competition Plus
• (Head 37mm x length 104.6mm x stem 5.97mm
• Must use FERK10074 locks

Compatible Engines

• EJ20 Turbo Subaru Performance 2L 4 Cyl
• EJ255 Turbo (VCT DOHC 16 valve) 2.5L 4 Cyl
• EJ257 Turbo (VCT DOHC 16 valve) 2.5L 4 Cyl

Compatible Vehicles

• Subaru Impreza WRX GD 2005 - 2007 2.5L
• Subaru Impreza WRX GD Sti 2007 - 2007 2.5L
• Subaru Impreza WRX GG 2005 - 2007 2.5L
• Subaru Impreza WRX STi GDF GD (206Kw) 2005 - 2007 2.5L
• Subaru Various TBA - TBA 2L

Notes

For Engine(s): EJ20 Turbo Subaru Performance,EJ255 Turbo (VCT DOHC 16 valve),EJ257 Turbo (VCT DOHC 16 valve)
Ferrea Competition Plus
(suits racing forced induction and nitrous oxide engines)
Head 37mm x length 104.6mm x stem 5.97mm
Suits WRX STI engines only 2004-2008
Must use FERK10074 locks
Suits 19-Degree super flo + 1mm oversize