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It is possible to change the rate in the range of ± 2 kgf / mm from the standard spring rate
These coilovers will also come provided with their own camber plates
75 in (222 mm)
heavy 3/16
COBB Tuning Fuel Pressure Regulator Manifold Reference Relocation Kit Epic Engineering It is possible to changeDESCRIPTION The COBB Tuning Fuel Pressure Regulator Manifold Reference Relocation Kit includes everything you need to relocate the FPR reference line to a more stable pressure source. WHY? This allows for moving the fuel pressure regulator's manifold pressure reference away from the #4 cylinder runner and into a plenum based source, similar to the method used on the previous generation 2004 2007 STI. This helps prevent unwanted manifold pulsations
