Ferrea Valve Spring Titanium Retainer (15.70mm) Subaru WRX / STI EJ25 2004-2021 (QTY 16) vendor_ST Suspension The 52mm (2-1/16") gauge housing

The 52mm (2-1/16") gauge housing fits in most gauge pods and can be remotely mounted virtually anywhere

The 3in wide Takata racing harness for mounting in a 4-seater car is FIA-certified for racing safety

Perfectly round big and small ends

These cams can be used with stock valve springs and retainers

Ferrea Valve Spring Titanium Retainer (15.70mm) Subaru WRX / STI EJ25 2004-2021 (QTY 16) vendor_ST Suspension The 52mm (2-1/16") gauge housingPart #: E11064 SUBARU IMPREZA WRX STI TITANIUM RETAINERS Valve Stem Size: 6 mm Diameter (A): 25. 40 mm Inn Step Diameter (C): 15. 70 mm References: Double Spring 6 deg Pro CNC Ferrea Valve Lock # K10074 Set of 16